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Intel Core i7 3770K Review | 78 Data compared

Avg. price in UK: ~£110
Avg. price in US: ~$70
PassMark benchmark result: 6,510
N. of physical cores: 4
CPU boost clock speed: 3.9 GHz

Intel Core i7 3770K review. Compare 78 technical specifications and user reviews to see how it ranks among processors and if it is worth buying.

4.3

Poor

3.8

Poor

9.3

Exceptional

2.8
Gaming
Score components:
30.0%
3.2
PassMark single-core benchmark score
25.0%
1.9
Geekbench 6 single-core benchmark score
20.0%
4.3
CPU boost clock speed
17.0%
2.1
L3 cache
8.0%
1.8
N. of physical cores
2.0
Video editing
Score components:
45.0%
1.7
Geekbench 6 multi-core benchmark score
20.0%
1.8
N. of physical cores
20.0%
2.8
CPU threads
15.0%
2.1
L3 cache

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Verdict

The Intel Core i7-3770K is a high-performance quad-core desktop processor based on the 22nm Ivy Bridge architecture, featuring 8 threads via Hyper-Threading, a 3.5 GHz base clock, and a 3.9 GHz Max Turbo frequency. It includes 8 MB of L3 cache, a 77W TDP, and integrated Intel HD Graphics 4000, supporting up to 32 GB of DDR3-1600 memory on the LGA1155 socket. Its main pros include an unlocked multiplier for significant overclocking potential, strong power efficiency for its era, and reliable multi-threaded performance for gaming and productivity. However, it is held back by aging architecture that lacks support for modern instructions like AVX-512, limited PCI Express 3.0 lanes, and compatibility being restricted to older DDR3 platforms and Windows versions prior to Windows 11.

Technical Specifications of processor Intel Core i7 3770K

Overall score

4.3

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Popularity

What it is: An indicator based on the number of reviews received by the processor.

When it matters: When you prefer to choose a processor reviewed and selected by many other buyers.

Platform

7.3

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Brand name

What it is: The manufacturer or brand of the product.

When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

Importance: MEDIUM

Intel

Processor type

What it is: The kind of system the processor is built for, such as desktop PCs, laptops, workstations, or servers.

When it matters: When you want a processor meant for the kind of machine you are actually building or buying, rather than a chip aimed at a different class of system.

Importance: HIGH

CPU socket

What it is: The physical socket the processor fits into on the motherboard.

When it matters: When you need to make sure the CPU can actually be installed on a specific motherboard.

Importance: HIGH

Chipset

What it is: The motherboard chipset families officially meant to work with the processor.

When it matters: When you are checking whether a CPU will work with the motherboard features and platform you plan to use.

Importance: HIGH

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CPU architecture

What it is: The processor family or design generation behind the chip, such as Zen 4 or Raptor Lake.

When it matters: When you are comparing CPUs across generations and want a clearer sense of their design age, feature level, and expected performance class.

Importance: HIGH

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Performance

2.9

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N. of physical cores

What it is: The number of physical CPU cores on the processor.

When it matters: When you run workloads that benefit from more real cores.

Importance: HIGH

Good value: 8+

CPU threads

What it is: The total number of processing threads the CPU can handle at once.

When it matters: When you run heavily threaded workloads or multitask a lot.

Importance: HIGH

Good value: 16+

Threads per core

What it is: The number of threads each physical core can handle at once.

When it matters: When you want to understand how much thread-level parallelism each core can provide in multitasking or heavily threaded work.

Importance: MEDIUM

Good value: 2

CPU boost clock speed

What it is: The highest clock speed the processor can reach under boost conditions.

When it matters: When you care about peak speed in short bursts.

Importance: HIGH

Good value: >4.7 GHz

CPU base clock speed

What it is: The processor's normal all-core starting frequency before boost behavior raises clocks temporarily.

When it matters: When you care about steadier performance in longer workloads rather than short burst speed alone.

Importance: MEDIUM

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Cache & Architecture

4.4

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Semiconductor size

What it is: The manufacturing process node used to produce the processor, usually expressed in nanometers.

When it matters: When efficiency, heat, and the relative modernity of the chip-making process matter to your comparison.

Importance: HIGH

Good value: <10 nm

Foundry

What it is: The semiconductor manufacturer that physically fabricates the processor chip.

When it matters: When process source, manufacturing generation, or foundry differences matter to your comparison more than day-to-day performance alone.

Importance: MEDIUM

L3 cache

What it is: The total amount of L3 cache available on the processor.

When it matters: When you want better performance in cache-sensitive workloads and games.

Importance: MEDIUM

Good value: >=16 MB

L2 cache

What it is: The total amount of L2 cache available across the processor.

When it matters: When you want to compare CPU design efficiency and how much fast intermediate cache the cores have available.

Importance: MEDIUM

Good value: >=6 MB

L1 cache

What it is: The total amount of L1 cache built into the processor, which sits closest to the cores.

When it matters: When you are comparing low-level CPU design details rather than the broader performance picture buyers usually notice first.

Importance: MEDIUM

Good value: >=512 KB

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Memory & PCIe

4.2

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DDR memory version

What it is: The RAM generation the processor is designed to support, such as DDR4 or DDR5.

When it matters: When you need the CPU to match the kind of memory platform you want to buy or reuse.

Importance: MEDIUM

Good value: DDR5

Maximum memory speed

What it is: The highest official memory speed supported by the processor.

When it matters: When you choose RAM and want to know the supported speed ceiling.

Importance: HIGH

Good value: >=4800 MHz

Max memory speed (JEDEC)

What it is: The highest official RAM speed the processor supports under standard JEDEC settings, before any memory overclocking profiles are applied.

When it matters: When officially supported stock RAM speed matters more than XMP, EXPO, or manual memory tuning.

Importance: MEDIUM

Good value: >=5600 MHz

Max memory speed (XMP / EXPO)

What it is: The highest memory speed supported through XMP or EXPO profiles.

When it matters: When you want faster RAM through memory profiles.

Importance: MEDIUM

Good value: >=5200 MHz

Maximum memory capacity

What it is: The largest total amount of memory officially supported by the processor.

When it matters: When you plan a system with very large RAM capacity.

Importance: HIGH

Good value: >=128 GB

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Integrated Graphics

6.5

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Integrated graphics

What it is: Includes built-in graphics, so the system can output video without a separate graphics card.

When it matters: When you want the PC to work without a dedicated GPU, or you are building an office, media, compact, or troubleshooting-friendly system.

Importance: HIGH

Integrated GPU model

What it is: The model name of the integrated graphics processor, if present.

When it matters: When you plan to use the CPU's built-in graphics.

Importance: MEDIUM

Integrated GPU execution units

What it is: The number of execution units available in the integrated graphics part of the processor.

When it matters: When you plan to rely on built-in graphics and want a better sense of its light gaming, display, or media capability.

Importance: MEDIUM

Good value: >=24

Integrated GPU base frequency

What it is: The base operating frequency of the integrated GPU.

When it matters: When integrated graphics performance matters to you.

Importance: MEDIUM

Good value: >=350 MHz

Integrated media encoders/decoders

What it is: The hardware media formats the processor can encode or decode directly.

When it matters: When you stream, edit video, or rely on hardware media acceleration.

Importance: LOW

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Power & Thermal

6.1

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TDP (Thermal design power)

What it is: The rated thermal design power, which gives a general idea of cooling and power needs.

When it matters: When you choose a cooler or build in a tighter case.

Importance: HIGH

Good value: <30 W

Base power (PL1)

What it is: The sustained power target used for longer CPU loads.

When it matters: When you choose cooling and power delivery for sustained workloads.

Importance: MEDIUM

Good value: <30 W

Boost power (PL2)

What it is: The short-term boost power limit the processor may draw under heavier turbo loads.

When it matters: When you size cooling and power delivery for peak turbo behavior.

Importance: MEDIUM

Good value: <50 W

Tau (power duration limit)

What it is: The time limit the CPU can stay at higher boost power before dropping toward sustained power.

When it matters: When you want to understand turbo behavior under longer loads.

Importance: MEDIUM

Good value: <=28 s

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Configurable TDP

What it is: Allows the processor to run in alternate power modes instead of being fixed to one default TDP target.

When it matters: When you want more control over heat, noise, and power draw in compact systems, quieter builds, or thermally limited machines.

Importance: LOW

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Intel Core i7 3770K vs the average processor

Why is Intel Core i7 3770K better than the average processor?

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2.76x faster classroom rendering
Intel Core i7 3770K has a lower Blender Classroom render time than the average processor (2186.2 vs 791.745). The average processor needs 791.745 for the Blender Classroom test.
What it is: A Blender render result based on the Classroom scene, used to show how quickly the processor can complete a demanding rendering workload.
When it matters: When rendering speed matters for 3D work, content creation, or other workloads that behave like long multi-core renders.
Importance: HIGH
Good value: >1500
Intel Core i7 3770K has a lower Blender Classroom render time than the average processor (2186.2 vs 791.745). The average processor needs 791.745 for the Blender Classroom test.2,186.2 vs 791.745
Unlocked for overclocking
Intel Core i7 3770K has an unlocked multiplier, the average processor does not.
What it is: Has an unlocked CPU multiplier, which makes manual CPU overclocking much easier on supported platforms.
When it matters: When you plan to push clock speeds beyond stock settings instead of leaving the processor completely at default behavior.
Importance: MEDIUM
Intel Core i7 3770K has an unlocked multiplier, the average processor does not.
Includes stock cooler
Intel Core i7 3770K includes a stock cooler, the average processor does not.
What it is: A stock CPU cooler is included in the box with the processor.
When it matters: When total build cost matters and you need to know whether separate cooling must be bought right away.
Importance: MEDIUM
Intel Core i7 3770K includes a stock cooler, the average processor does not.
Supports memory overclocking
Intel Core i7 3770K supports memory overclocking, the average processor does not.
What it is: Allows memory speeds beyond official stock settings through manual tuning or profile-based overclocking.
When it matters: When you want to push RAM performance higher than stock support allows, especially in enthusiast or gaming builds.
Importance: MEDIUM
Intel Core i7 3770K supports memory overclocking, the average processor does not.
5 °C higher TJ Max
Intel Core i7 3770K has a higher TJ Max than the average processor (105 °C vs 100 °C). The average processor has a TJ Max of 100 °C.
What it is: The highest safe operating junction temperature before the CPU starts throttling or protecting itself.
When it matters: When you tune cooling or monitor thermals under load.
Importance: LOW
Good value: >=100 °C
Intel Core i7 3770K has a higher TJ Max than the average processor (105 °C vs 100 °C). The average processor has a TJ Max of 100 °C.105 °C vs 100 °C
10x more popular
Intel Core i7 3770K is more popular than the average processor (10 vs 1).
What it is: An indicator based on the number of reviews received by the processor.
When it matters: When you prefer to choose a processor reviewed and selected by many other buyers.
Intel Core i7 3770K is more popular than the average processor (10 vs 1).10 vs 1
16.3% higher user score
Intel Core i7 3770K has a higher user score than the average processor (9.3 vs 8).
What it is: A rating that combines user reviews and the total number of reviews received by the processor.
When it matters: When you want to know how a processor performs in real workloads and how reliable it is for gaming, productivity, and efficiency according to user feedback.
Intel Core i7 3770K has a higher user score than the average processor (9.3 vs 8).9.3 vs 8
16.7% more L3 per core
Intel Core i7 3770K has more L3 cache per core than the average processor (2 MB/core vs 1.714 MB/core). The average processor provides 1.714 MB/core of L3 cache per core.
What it is: The amount of L3 cache effectively available per CPU core.
When it matters: When you are comparing how much shared cache each core can draw on in deeper technical analysis.
Importance: MEDIUM
Good value: >=2 MB/core
Intel Core i7 3770K has more L3 cache per core than the average processor (2 MB/core vs 1.714 MB/core). The average processor provides 1.714 MB/core of L3 cache per core.2 MB/core vs 1.714 MB/core
2.76x faster classroom rendering
Intel Core i7 3770K has a lower Blender Classroom render time than the average processor (2186.2 vs 791.745). The average processor needs 791.745 for the Blender Classroom test.
Unlocked for overclocking
Intel Core i7 3770K has an unlocked multiplier, the average processor does not.
16.7% more L3 per core
Intel Core i7 3770K has more L3 cache per core than the average processor (2 MB/core vs 1.714 MB/core). The average processor provides 1.714 MB/core of L3 cache per core.
Supports memory overclocking
Intel Core i7 3770K supports memory overclocking, the average processor does not.
85.7% higher GPU clock speed
Intel Core i7 3770K has a higher integrated GPU frequency than the average processor (650 MHz vs 350 MHz). The average processor has integrated GPU frequency of 350 MHz.
Includes stock cooler
Intel Core i7 3770K includes a stock cooler, the average processor does not.
5 °C higher TJ Max
Intel Core i7 3770K has a higher TJ Max than the average processor (105 °C vs 100 °C). The average processor has a TJ Max of 100 °C.

Cache & Architecture

Integrated Graphics

Power & Thermal

Why is Intel Core i7 3770K worse than the average processor?

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8 year/s older release date
Intel Core i7 3770K has an older release date than the average processor (2012 vs 2020).
April 2012
Narrower instruction support
Intel Core i7 3770K supports a narrower instruction set than the average processor (MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, F16C, AES vs MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA).
No crypto acceleration
Intel Core i7 3770K does not include crypto acceleration, the average processor does.
51.8% lower single-core score
Intel Core i7 3770K has a lower Geekbench 6 single-core score than the average processor (709 vs 1471). The average processor scores 1471 in Geekbench 6 single-core.
40.9% lower Cinebench R20 single-core score
Intel Core i7 3770K has a lower Cinebench R20 single-core score than the average processor (286 vs 484). The average processor scores 484 in Cinebench R20 single-core.
50% weaker multi-core performance
Intel Core i7 3770K has a lower multi-core performance than the average processor (1391 vs 2783). The average processor scores 2783 in Cinebench R20 multi-core.
2 fewer CPU cores
Intel Core i7 3770K has fewer CPU cores than the average processor (4 vs 6). The average processor has 6 CPU cores.
16.4% weaker single-core performance
Intel Core i7 3770K has a lower PassMark single-core score than the average processor (2075 vs 2483). The average processor scores 2483 in PassMark single-core.
9.3% lower boost clock
Intel Core i7 3770K has a lower boost clock speed than the average processor (3.9 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.
50.5% lower multi-core score
Intel Core i7 3770K has a lower Geekbench 6 multi-core score than the average processor (2374 vs 4793). The average processor scores 4793 in Geekbench 6 multi-core.
38.2% lower PassMark score
Intel Core i7 3770K has a lower PassMark benchmark score than the average processor (6510 vs 10532.5). The average processor scores 10532.5 in PassMark benchmark.
37.5% lower bus transfer rate
Intel Core i7 3770K has a lower bus transfer rate than the average processor (5 GT/s vs 8 GT/s). The average processor offers bus transfer rate of 8 GT/s.
37.5% lower bus speed
Intel Core i7 3770K has a lower bus speed than the average processor (5 GT/s vs 8 GT/s). The average processor runs at bus speed of 8 GT/s.
83.3% larger process node
Intel Core i7 3770K has a higher process node than the average processor (22 nm vs 12 nm). The average processor uses a process node of 12 nm.
60% smaller L2 cache
Intel Core i7 3770K has a lower L2 cache than the average processor (1 MB vs 2.5 MB). The average processor has L2 cache of 2.5 MB.
50% less L2 per core
Intel Core i7 3770K has less L2 cache per core than the average processor (0.3 MB/core vs 0.5 MB/core). The average processor provides 0.5 MB/core of L2 cache per core.
Less advanced microarchitecture
Intel Core i7 3770K uses a less advanced microarchitecture than the average processor (Ivy Bridge vs Kaby Lake).
71.7% fewer transistors
Intel Core i7 3770K has fewer transistors than the average processor (1.4 billion vs 4.95 billion). The average processor has 4.95 billion transistors.
Less advanced foundry
Intel Core i7 3770K uses a less advanced foundry process than the average processor (Intel 22 nm vs Intel 14 nm).
Older DDR support
Intel Core i7 3770K supports an older DDR generation than the average processor (DDR3 vs DDR4).
44.1% lower memory bandwidth
Intel Core i7 3770K has a lower memory bandwidth than the average processor (25.6 GB/s vs 45.8 GB/s). The average processor offers memory bandwidth of 45.8 GB/s.
45.4% lower memory speed
Intel Core i7 3770K has a lower maximum memory speed than the average processor (1600 MHz vs 2933 MHz). The average processor supports memory speed of 2933 MHz.
Lower JEDEC memory speed
Intel Core i7 3770K has a lower JEDEC memory speed than the average processor (DDR3-1600 MHz vs DDR4-3200 MHz). The average processor supports JEDEC memory speed of DDR4-3200 MHz.
50% less memory capacity
Intel Core i7 3770K has fewer maximum memory capacity than the average processor (32 GB vs 64 GB). The average processor supports 64 GB of memory.
75% less memory per DIMM
Intel Core i7 3770K has fewer memory per DIMM than the average processor (8 GB vs 32 GB). The average processor supports 32 GB of memory per DIMM.
Narrower media codec support
Intel Core i7 3770K supports fewer media codecs than the average processor (VC-1 (HW decode) vs H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode/encode), AV1 (HW decode)).
Inferior integrated GPU
Intel Core i7 3770K uses an inferior integrated GPU to the average processor (Intel HD Graphics 4000 vs Intel UHD Graphics 630).
71.1% higher base power
Intel Core i7 3770K has a higher base power draw than the average processor (77 W vs 45 W). The average processor has a base power draw of 45 W.
No configurable TDP
Intel Core i7 3770K does not support configurable TDP, the average processor does.
71.1% higher TDP
Intel Core i7 3770K has a higher TDP than the average processor (77 W vs 45 W). The average processor has a TDP of 45 W.
5 °C higher CPU temperature
Intel Core i7 3770K has a higher CPU temperature than the average processor (105 °C vs 100 °C). The average processor runs at a CPU temperature of 100 °C.
51.8% lower single-core score
Intel Core i7 3770K has a lower Geekbench 6 single-core score than the average processor (709 vs 1471). The average processor scores 1471 in Geekbench 6 single-core.
What it is: A Geekbench 6 score that reflects single-core CPU performance in mixed modern workloads.
When it matters: When you care about snappy everyday performance in lighter apps, browsing, office work, or tasks that do not scale well across many cores.
Importance: HIGH
Good value: >2000
Intel Core i7 3770K has a lower Geekbench 6 single-core score than the average processor (709 vs 1471). The average processor scores 1471 in Geekbench 6 single-core.709 vs 1,471
40.9% lower Cinebench R20 single-core score
Intel Core i7 3770K has a lower Cinebench R20 single-core score than the average processor (286 vs 484). The average processor scores 484 in Cinebench R20 single-core.
What it is: A Cinebench R20 benchmark score that reflects single-core CPU performance.
When it matters: When you care about lighter workloads, interface responsiveness, or software that still depends heavily on one fast core.
Importance: HIGH
Good value: >600
Intel Core i7 3770K has a lower Cinebench R20 single-core score than the average processor (286 vs 484). The average processor scores 484 in Cinebench R20 single-core.286 vs 484
83.3% larger process node
Intel Core i7 3770K has a higher process node than the average processor (22 nm vs 12 nm). The average processor uses a process node of 12 nm.
What it is: The manufacturing process node used to produce the processor, usually expressed in nanometers.
When it matters: When efficiency, heat, and the relative modernity of the chip-making process matter to your comparison.
Importance: HIGH
Good value: <10 nm
Intel Core i7 3770K has a higher process node than the average processor (22 nm vs 12 nm). The average processor uses a process node of 12 nm.22 nm vs 12 nm
50% weaker multi-core performance
Intel Core i7 3770K has a lower multi-core performance than the average processor (1391 vs 2783). The average processor scores 2783 in Cinebench R20 multi-core.
What it is: A Cinebench R20 score that reflects how well the processor handles long, heavy rendering workloads across many cores.
When it matters: When you care about sustained multi-core performance in rendering, compiling, heavy creation work, or productivity workloads that use many threads.
Importance: HIGH
Good value: >4700
Intel Core i7 3770K has a lower multi-core performance than the average processor (1391 vs 2783). The average processor scores 2783 in Cinebench R20 multi-core.1,391 vs 2,783
2 fewer CPU cores
Intel Core i7 3770K has fewer CPU cores than the average processor (4 vs 6). The average processor has 6 CPU cores.
What it is: The number of physical CPU cores on the processor.
When it matters: When you run workloads that benefit from more real cores.
Importance: HIGH
Good value: 8+
Intel Core i7 3770K has fewer CPU cores than the average processor (4 vs 6). The average processor has 6 CPU cores.4 vs 6
16.4% weaker single-core performance
Intel Core i7 3770K has a lower PassMark single-core score than the average processor (2075 vs 2483). The average processor scores 2483 in PassMark single-core.
What it is: A benchmark score that reflects single-core CPU performance.
When it matters: When you care about responsiveness in lighter or older software.
Importance: HIGH
Good value: >3200
Intel Core i7 3770K has a lower PassMark single-core score than the average processor (2075 vs 2483). The average processor scores 2483 in PassMark single-core.2,075 vs 2,483
9.3% lower boost clock
Intel Core i7 3770K has a lower boost clock speed than the average processor (3.9 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.
What it is: The highest clock speed the processor can reach under boost conditions.
When it matters: When you care about peak speed in short bursts.
Importance: HIGH
Good value: >4.7 GHz
Intel Core i7 3770K has a lower boost clock speed than the average processor (3.9 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.3.9 GHz vs 4.3 GHz
50.5% lower multi-core score
Intel Core i7 3770K has a lower Geekbench 6 multi-core score than the average processor (2374 vs 4793). The average processor scores 4793 in Geekbench 6 multi-core.
What it is: A Geekbench 6 score that reflects multi-core CPU performance in mixed modern workloads.
When it matters: When you want a quick picture of multi-core speed in everyday mixed workloads, multitasking, and broadly optimized software.
Importance: HIGH
Good value: >8500
Intel Core i7 3770K has a lower Geekbench 6 multi-core score than the average processor (2374 vs 4793). The average processor scores 4793 in Geekbench 6 multi-core.2,374 vs 4,793

Cache & Architecture

Integrated Graphics

Power & Thermal

Graphic comparison of Intel Core i7 3770K and other processors

Attribute category

Attribute

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Third-party reviews

United Kingdom

(Reviews last updated: May 2026)

What customers like about Intel Core i7 3770K?

High multitasking performance due to 4 cores and 8 threads with Hyper-threading.
Unlocked multiplier allows for relatively easy overclocking (common stable speeds of 4.2-4.5GHz).
Excellent power efficiency for its era with a 77W TDP.
Tangible improvements in QuickSync video encoding/decoding performance.
Improved integrated Intel HD Graphics 4000 (DirectX 11 support) compared to previous generations.
Remarkable longevity; still capable of 1080p gaming and general tasks in modern years when paired with a good GPU.
Backward compatibility with many older LGA 1155 motherboards (Sandy Bridge era).

What customers dislike about Intel Core i7 3770K?

Runs hotter than previous generations (Sandy Bridge) due to the use of TIM instead of solder under the IHS.
The included stock cooler is often cited as inadequate, especially under heavy load or mild overclocking.
Only a marginal performance increase over the previous flagship i7-2600K/2700K.
Overclocking headroom is more limited and temperature-sensitive compared to its predecessors.
Stuck on the aging LGA 1155 platform with no further upgrade path beyond this generation.
Limited to DDR3 memory, which bottlenecks performance in modern high-bandwidth applications.
Initial launch price was considered high for users already owning high-end 2nd Gen CPUs.

Expert reviews

pcper.com

23/04/2012

Summary of the review

Intel Core i7-3770K Ivy Bridge LGA1155 Processor Review

The PC Perspective review of the Intel Core i7-3770K "Ivy Bridge" (22nm, 3D Tri-Gate transistors) shows it offers a 10-15% performance boost over the i7-2600K with superior energy efficiency. The chip features updated HD Graphics 4000 (DX11, Quick Sync) and strong multi-threaded performance on the LGA1155 platform, though it operates hotter when overclocked above 1.3V. While recognized as a top-tier CPU, the review notes the i5-3570K provides similar gaming value.

tweaktown.com

23/04/2012

Summary of the review

Intel Core i7 3770k (LGA 1155) Ivy Bridge CPU Review

The TweakTown review identifies the Intel Core i7-3770K as a strong, efficient successor to Sandy Bridge, utilizing the 22nm process to offer 4-core/8-thread performance with 10-18% performance gains in specific tests. While boasting improved efficiency with a 77W TDP and superior memory controller performance, the CPU faces thermal limitations, often running hotter than previous generations when overclocked. Despite limited overclocking headroom, the chip features native PCIe 3.0 and capable HD 4000 graphics, making it a recommended upgrade for older systems rather than Sandy Bridge users.

bit-tech.net

23/04/2012

Summary of the review

Intel Core i7-3770K CPU Review

The bit-tech.net review of the Intel Core i7-3770K highlights the 22nm Ivy Bridge chip as a 77W TDP successor to the Sandy Bridge i7-2600K, featuring 3D tri-gate transistors, a 3.5GHz base clock, and a significantly upgraded HD Graphics 4000 engine. Key advantages include improved power efficiency, superior integrated graphics, and excellent air-cooled overclocking potential reaching 4.8GHz, though CPU-only performance gains over the previous generation are modest. Despite these strengths, the review notes the high-end chip offers poor value for gamers compared to the i5-3570K, and it faces higher thermal limitations at full load, concluding it is only a worthy upgrade from much older, pre-Sandy Bridge platforms. For more details, visit bit-tech.net.

overclockers.com

23/04/2012

Summary of the review

Intel i7 3770K - Ivy Bridge - CPU Review

The Intel i7-3770K "Ivy Bridge" review by Overclockers highlights the transition to a 22nm process, delivering a ~3.8% clock-for-clock performance increase over Sandy Bridge with improved energy efficiency. Key improvements include a 58% boost in video transcoding via HD 4000 graphics, native USB 3.0/PCIe 3.0 support, and significantly lower power consumption, alongside a 18% reduction in memory latency. However, the CPU faces thermal limitations, hitting a "temperature wall" much faster than its predecessor and reaching up to 94°C at 5.0 GHz, leading to the conclusion that it is less ideal for extreme air-cooled overclocking than the 2600K/2700K.

techspot.com

23/04/2012

Summary of the review

Ivy Bridge Debuts: Intel Core i7-3770K Review

The TechSpot review of the Intel Core i7-3770K highlights the 22nm Ivy Bridge architecture's shift to 3D Tri-Gate transistors, offering a 3.5GHz base clock with improved efficiency over Sandy Bridge. A key pro is the reduced 77W TDP, providing superior power efficiency alongside a modest 10–15% CPU performance boost, especially in multi-threaded tasks. The integration of HD 4000 graphics serves as another advantage, delivering up to 50% better GPU performance and DirectX 11 support, while maintaining LGA1155 socket compatibility. Despite these improvements, the review notes that the integrated HD 4000 graphics still fail to meet the standards for serious gaming, falling behind competitors like the AMD A8-3850 in 3DMark 11 tests. Another drawback is that, while overclocking is supported on the "K" model, the chips tend to face "temperature walls" at higher voltages compared to previous 32nm architectures. Ultimately, the modest performance leap over Sandy Bridge may not justify an immediate upgrade for existing owners, making it a better option for new builds.

tomshardware.com

23/04/2012

Summary of the review

Intel Core i7-3770K Review: A Small Step Up For Ivy Bridge

The Tom’s Hardware review characterizes the Ivy Bridge Core i7-3770K as an evolutionary "tick," utilizing a 22nm process to focus on efficiency and integrated graphics over significant raw CPU performance gains. While offering native PCIe 3.0 and DDR3-1600 support, the chip only delivers a modest 5–15% performance improvement over Sandy Bridge in multi-threaded tasks. Key pros include the enhanced HD Graphics 4000 with DirectX 11 support, improved Quick Sync, lower 77W TDP, and broad compatibility with LGA 1155 motherboards. However, the chip presents cons regarding thermals, as the smaller die leads to higher operating temperatures and limited overclocking headroom compared to its predecessor. Ultimately, the review suggests that while it is an excellent upgrade from older platforms, it offers little incentive for current Sandy Bridge owners to upgrade.

aphnetworks.com

27/07/2012

Summary of the review

Intel Core i7-3770K Review Are you looking for overclocking guides for this specific chip or modern-day benchmarks to see how it performs in 2026?

The APH Networks review describes the Intel Core i7-3770K as a "brilliant" 22nm Ivy Bridge processor, featuring four cores, eight threads, and a 3.5 GHz base clock, representing the peak of "visibly smart performance" at its launch. Key pros include significant improvements in integrated HD Graphics 4000 (30-40% faster than the previous generation), lower power consumption, and strong overclocking capabilities, with testers reaching 4.68 GHz. However, the review notes that, as a "tick+" architecture, it offers only moderate CPU performance gains over the older Sandy Bridge i7-2700K, making it a limited upgrade for existing high-end users. For more details, visit APH Networks.

cnet.com

24/05/2012

Summary of the review

Intel Core i7 3770K review

The CNET review describes the Intel Core i7-3770K as the premier consumer-grade CPU at launch, functioning as an evolutionary "Ivy Bridge" 22nm successor to Sandy Bridge rather than a revolutionary leap. Key improvements include enhanced power efficiency, significantly faster video transcoding via updated QuickSync, and a substantial boost in integrated HD Graphics 4000 performance. While highlighted for superior efficiency and security features, the CPU delivers minimal raw performance gains for existing high-end Sandy Bridge users and presents minor overclocking challenges due to thermal hot-spotting.

techradar.com

23/04/2012

Summary of the review

Intel Core i7 3770K review

The Intel Core i7-3770K introduced the 22nm Ivy Bridge architecture, utilizing 3D Tri-gate transistors to offer impressive, if not revolutionary, performance as a top-tier quad-core chip. TechRadar highlighted its improved HD Graphics 4000, which delivered a substantial, up to 40% performance boost and DirectX 11 support, alongside solid multi-threaded performance. However, the review noted limited raw CPU gains over the previous generation and disappointing, non-linear overclocking improvements despite the smaller manufacturing process. Ultimately deemed a fast chip but an incremental update, the i7-3770K marks a shift in focus from major desktop performance leaps, representing solid performance but underwhelming architectural advancement, according to TechRadar.

hardwarezone.com.sg

23/04/2012

Summary of the review

Intel Core i7-3770K - A Performance Analysis

The HardwareZone review of the Intel Core i7-3770K (Ivy Bridge) identifies it as a refined, power-efficient evolution of the Sandy Bridge architecture, utilizing a 22nm process to offer a modest 4% to 8% performance increase over the i7-2700K. While delivering improved performance-per-watt and enhanced HD Graphics 4000 capabilities, the chip's smaller die creates thermal density issues, resulting in limited overclocking potential compared to its predecessor. Ultimately, the review suggests that while it is an excellent drop-in upgrade for LGA1155 users, the marginal CPU gains may not justify the cost for current Sandy Bridge owners.

uk.pcmag.com

23/04/2012

Summary of the review

Intel Core i7-3770K - Review 2012

The Intel Core i7-3770K "Ivy Bridge" processor, built on a 22nm process, balances high performance with power efficiency using 3D Tri-Gate transistors. As a flagship chip, it offers the advantage of backward compatibility with 6-series motherboards while supporting native USB 3.0 and PCIe 3.0 via 7-series chipsets. Performance-wise, the quad-core, eight-thread processor delivers significant speed for demanding tasks and features upgraded Intel HD Graphics 4000. However, a key drawback is the minor performance gain over the previous "Sandy Bridge" i7-2600K, which is limited to a 5-10% increase, and its integrated graphics cannot replace a dedicated GPU for serious gaming. The unlocked i7-3770K is designed for enthusiasts, providing easy overclocking capabilities that, while improved, do not significantly outperform its predecessor's overclocking limits. Despite limited gains for existing 2600K owners, it is considered a top choice for new, high-performance PC builds. For more details, visit PCMag UK.

techenclave.com

09/05/2012

Summary of the review

Intel i7 3770K Ivy Bridge Performance Review Do you need benchmarks for specific software or gaming titles from this era to help with a retro build?

The TechEnclave review describes the Intel i7-3770K as a balanced "sensible" successor to Sandy Bridge, focusing on improved efficiency and the HD 4000 integrated GPU. Key pros include roughly 11 watts lower power consumption under load, a 61% GPU performance boost, and, for users, improved Quick Sync video encoding, alongside manageable air-cooled overclocks to 4.4–4.5GHz. However, the analysis notes cons related to higher thermal density limiting extreme overclocking and warns that current Sandy Bridge (i7-2600K) owners face "no big incentive" to upgrade.

servethehome.com

14/05/2012

Summary of the review

Intel Core i7-3770K Review: Ivy Bridge Upgrade

The Intel Core i7-3770K review highlights the 22nm Ivy Bridge architecture's focus on improved integrated GPU performance (HD 4000), PCIe 3.0 support, and lower power consumption compared to Sandy Bridge. While delivering a roughly 6% architectural performance gain, the CPU improvements are relatively minor, making it a difficult upgrade for existing high-end Sandy Bridge users. The review suggests the chip is a strong choice for users upgrading from older architectures, with the non-K version noted for superior features.

hothardware.com

23/04/2012

Summary of the review

Intel Core i7-3770K Ivy Bridge Processor Review

HotHardware’s review of the Intel Core i7-3770K highlights the processor as a refined, power-efficient 22nm transition from Sandy Bridge, utilizing 3D tri-gate transistors for better performance per watt. While raw CPU gains over the previous generation are modest, the 4-core, 8-thread chip offers a 77W TDP and solid improvements in media encoding via updated Quick Sync technology. The processor introduces HD 4000 graphics with DirectX 11 support, providing up to a 60% boost over previous integrated solutions, though it still falls short of dedicated GPUs. Key performance benefits include impressive results in PCMark 7 and faster encoding times. However, the 22nm die results in high thermal density, often requiring high-end cooling for overclocking beyond 4.5GHz. Additional limitations include the omission of specific enterprise features like vPro and limited native SATA III support on the accompanying Z77 platform.

extreme.pcgameshardware.de

23/04/2012

Summary of the review

Ivy Bridge Review: Core i7-3770K, Core i5-3570K, and Core i5-3550 Put to the Test

Intel’s 22nm Ivy Bridge processors (i7-3770K, i5-3570K, i5-3550) offer a 5-15% performance uplift over Sandy Bridge, improved HD 4000 graphics, and native USB 3.0/PCIe 3.0 support as key pros. A significant con is the switch from solder to thermal paste, causing high operating temperatures and limiting overclocking headroom to around 4.5–4.7 GHz. While highly efficient at stock speeds, the review suggests these chips represent an incremental upgrade rather than a revolution for existing users.

notebookcheck.com

02/05/2013

Summary of the review

Intel Core i7-3770K Desktop Processor (Review Summary)

The Intel Core i7-3770K, utilizing the 22nm Ivy Bridge architecture and 3D Transistors, offers a 77W TDP with roughly 10% higher performance than its predecessor, alongside DDR3-1600 and PCIe 3.0 support. It excels in multitasking and offers strong overclocking potential via an unlocked multiplier, though it may have slightly higher idle power consumption than previous generations. While the integrated HD Graphics 4000 supports three displays, it remains a weak point for modern gaming, requiring a discrete GPU for demanding titles.

hardwareluxx.de

23/04/2012

Summary of the review

Ivy Bridge Review: Intel Core i7-3770K and all i5 models

Intel's Ivy Bridge launch, featuring the Core i7-3770K and various i5 models, introduces 22nm 3D Tri-Gate transistors, reducing the die size to 160mm² while increasing transistor count. This architecture offers a reduced 77W TDP and improved energy efficiency, although it retains compatibility with existing LGA 1155 motherboards. Performance tests indicate a 5-15% CPU speed increase over Sandy Bridge, coupled with a significant 40-60% boost in integrated graphics performance via HD Graphics 4000. The platform also introduces native support for PCI Express 3.0 and USB 3.0, enhancing overall system bandwidth. Key advantages include superior power efficiency and improved Quick Sync transcoding, while disadvantages center on higher operating temperatures under load and limited overclocking headroom. The upgrade is most beneficial for those moving from older platforms rather than Sandy Bridge users.

computerbase.de

23/04/2012

Summary of the review

Intel Ivy Bridge Review: From Core i5-3450 to i7-3770K

Intel's Ivy Bridge architecture, as analyzed by ComputerBase, introduces a 22nm manufacturing process with 3D Tri-Gate transistors, offering significant energy efficiency improvements and native PCIe 3.0 support over Sandy Bridge. Performance tests show a moderate 5-10% CPU increase for the Core i7-3770K, while the integrated Intel HD 4000 GPU provides up to 60% better performance and DirectX 11 support. Despite a lower 77W TDP, the architecture runs roughly 10°C hotter, limiting overclocking headroom; ultimately, it is a recommended upgrade for older systems but offers limited benefits for existing Sandy Bridge users.

tech-review.de

03/06/2012

Summary of the review

Intel Core i7 3770K: Ivy Bridge in the TRV Check

The Intel Core i7-3770K (Ivy Bridge) transition to 22nm architecture delivers superior energy efficiency, consuming roughly 25 watts less under load than the Sandy Bridge predecessor, while offering native DirectX 11 support via integrated HD Graphics 4000. While performance gains in synthetic benchmarks are marginal, the processor provides solid improvements in gaming, such as a 10 FPS lead in Call of Duty: Black Ops. However, the shift from soldered to thermal paste between the die and heat spreader causes higher-than-expected operating temperatures, representing a significant thermal drawback. The i7-3770K is a refined, efficient, and compatible upgrade ideal for older platform users, though limited gains and thermal issues make it less compelling for existing high-end Sandy Bridge owners. For more details, visit Tech-Review.de. Tech-Review.de

au-ja.de

23/04/2012

Summary of the review

Intel Core i7-3770K - The fastest 'Ivy Bridge' CPU reviewed

The Intel Core i7-3770K introduces the 22nm Ivy Bridge architecture utilizing 3D Tri-Gate transistors to achieve a smaller die size and 77W TDP, providing a 5% to 15% performance increase over the i7-2600K. Key advantages include improved efficiency, a vastly superior HD Graphics 4000 engine with DirectX 11 support, and native PCI Express 3.0 support. However, the processor suffers from high temperatures due to sensitivity to voltage during overclocking, and it provides limited performance gains for existing Sandy Bridge users. Copy

allround-pc.com

23/04/2012

Summary of the review

Review: Intel Core i7-3770K Ivy Bridge

The Allround-PC review highlights that the Intel Core i7-3770K utilizes a 22nm manufacturing process with 3D Tri-Gate transistors, offering improved efficiency with a lower 77W TDP compared to its 95W Sandy Bridge predecessor. It delivers a modest 5–10% CPU performance boost and superior HD Graphics 4000, while introducing native PCIe 3.0 support. Key cons involve higher temperatures under heavy overclocking due to density, making it less ideal for extreme overclockers compared to the 32nm Sandy Bridge, despite its excellent stock efficiency. Copy

computerwoche.de

23/04/2012

Summary of the review

New 22nm Ivy Bridge CPU: Intel Core i7-3770K Review

The Computerwoche review of the Intel Core i7-3770K highlights the 22nm "Ivy Bridge" processor as a significant efficiency-focused "tick" in Intel's roadmap, featuring a 3.5 GHz base clock and 3.9 GHz Turbo Boost. Pros include a 10-15% performance boost over Sandy Bridge, improved energy efficiency with a 77W TDP, and stronger integrated HD Graphics 4000, though cons note only incremental upgrades for existing high-end users. The CPU is lauded for its 4 cores/8 threads and excellent overclocking potential to 4.5 GHz+. Ultimately, while it was a top-tier LGA 1155 choice with PCIe 3.0 support, it lacks Windows 11 compatibility. Copy

cowcotland.com

23/04/2012

Summary of the review

Intel Ivy Bridge Core i7-3770K CPU Review

The Intel Core i7-3770K, reviewed by Cowcotland, features a 22nm Ivy Bridge architecture with Tri-Gate transistors, offering a 6% to 15% performance increase over Sandy Bridge and upgraded HD 4000 graphics. It boasts high power efficiency and an aggressive Turbo Boost, though it faces thermal limitations when overclocked and exhibits high idle power consumption. While a solid upgrade with strong, efficient performance, the CPU provides only moderate performance gains for existing high-end users.

tomshardware.fr

23/04/2012

Summary of the review

Intel Core i7-3770K Ivy Bridge Review: A Vintage Year?

The Intel Core i7-3770K (Ivy Bridge) serves as an evolutionary 22nm successor to Sandy Bridge, utilizing 3D Tri-Gate transistors to lower TDP from 95W to 77W while offering 5% to 15% better IPC performance in productivity tasks. Key improvements include the HD Graphics 4000 engine with DX11 support and, for the first time, native PCI Express 3.0 support, making it an excellent choice for users upgrading from older platforms. Tom’ However, the transition to 22nm with thermal paste, rather than solder, under the heat spreader results in higher operating temperatures, which can limit overclocking potential compared to previous generation "K" models. Tom’s Hardware

hardware.fr

23/04/2012

Summary of the review

Intel Core i7-3770K and i5-3570K: 22nm Ivy Bridge Review

The Hardware.fr review of the Intel Core i7-3770K and i5-3570K highlights the transition to 22nm "Tri-Gate" (FinFET) technology, which delivers roughly 6% to 10% higher multi-threaded performance than Sandy Bridge while offering superior efficiency. A key improvement is the Intel HD Graphics 4000, which significantly boosts entry-level 3D performance and features an enhanced QuickSync engine. HardWare.frWhile the "K" series processors remain unlocked, the review notes reduced overclocking headroom, with stability typically found around 4.5 GHz to 4.7 GHz on air cooling. The smaller 22nm die results in higher thermal density, causing temperatures to rise rapidly beyond these frequencies, making 5.0 GHz much harder to achieve than on older 32nm chips. HardWare.frUltimately, Ivy Bridge is characterized as an efficient "Tick+" update, featuring native USB 3.0, PCIe 3.0, and excellent performance-per-watt as pros, with the core i5-3570K identified as a gaming "sweet spot". The main drawbacks (cons) include moderate raw CPU performance gains for current Sandy Bridge users and increased thermal limits for extreme overclocking. For more details, visit Hardware.fr. HardWare.fr Copy

hardzone.es

05/07/2012

Summary of the review

AMD vs. Intel: Core i7-3770K and AMD FX-8150 Face Off at 4.6GHz

In a 2012 comparison by HardZone, the Intel Core i7-3770K and AMD FX-8150 were tested at 4.6GHz, with Intel dominating in IPC and gaming performance, though it faced thermal challenges from its thermal interface material. The AMD FX-8150 offered a cheaper, eight-core alternative for multi-threaded tasks, yet struggled with high power consumption, excessive heat, and inferior per-core performance. Ultimately, the Intel i7-3770K proved to be the superior, more efficient processor, while the FX-8150 was relegated to a niche, budget-oriented choice.. For more details, visit HardZone.

geeknetic.es

23/04/2012

Summary of the review

Intel Core i7-3770K: 3rd Generation Core

The Intel Core i7-3770K, a 22nm Ivy Bridge flagship, introduces 3D Tri-Gate transistors, offering a 77W TDP with four cores and eight threads running at 3.5 GHz (3.9 GHz Turbo). Performance advantages include Intel HD Graphics 4000 supporting DirectX 11/OpenCL, native PCIe 3.0 support, and superior efficiency compared to previous generations. While offering improved performance, the processor faces drawbacks with higher operating temperatures during overclocking, and it provides limited incentive for existing Sandy Bridge users to upgrade, according to the Geeknetic review.

nexthardware.com

24/04/2012

Summary of the review

Intel Core i7 3770K: Ivy Bridge Unveiled | Review

The NextHardware review highlights the Intel Core i7-3770K "Ivy Bridge" processor as a major advancement due to its 22nm process and 3D Tri-Gate transistors, offering superior performance with a lower 77W TDP compared to Sandy Bridge. Key advantages include improved efficiency, higher instructions-per-clock (IPC) performance, integrated Intel HD 4000 graphics, and native USB 3.0/PCIe 3.0 support. While praised as the new LGA 1155 king, the review notes the chip can run hot under heavy overclocking and provides only moderate performance gains over the previous generation for daily tasks.

hwlegend.tech

21/05/2012

Summary of the review

Intel Core i7-3770K – Ivy Bridge

The HWLegend review details the Intel Core i7-3770K as a 22nm "tick" featuring 3D Tri-Gate transistors, offering a 3.5 GHz base clock and improved 77W TDP over previous Sandy Bridge models. Key pros include the integrated HD Graphics 4000 with DirectX 11 support, native PCIe 3.0, and DDR3-1600 memory, delivering better efficiency and media performance. However, the shift to a smaller die and new internal thermal interface material results in higher operating temperatures, making it less ideal for extreme overclocking above 4.5 GHz.

techzine.nl

23/04/2012

Summary of the review

Intel Core i7 3770K (Ivy Bridge) Review

The Intel Core i7-3770K utilizes a 22nm manufacturing process and 3D Tri-Gate transistors to achieve improved energy efficiency, reducing TDP to 77W while offering native PCI-Express 3.0, USB 3.0, and HD Graphics 4000. Performance brings a 5-15% increase over Sandy Bridge in standard benchmarks, with significantly faster video transcoding through updated Quick Sync technology, and maintains compatibility with existing LGA1155 motherboards. While energy efficient, the processor faces higher thermal density leading to higher temperatures when overclocked and offers marginal performance gains for users with dedicated graphics cards. For a detailed analysis, visit Techzine.

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