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Intel Core i7 7740X Review | 78 Data compared

Avg. price: ~£540
PassMark benchmark result: 9689
N. of physical cores: 4
CPU boost clock speed: 4.5 GHz

Intel Core i7 7740X review. Compare 78 technical specifications and user reviews to see how it ranks among processors and if it is worth buying.

5.1

Good

4.9

Poor

7.6

Very good

4.3
Gaming
Score components:
30.0%
4.6
PassMark single-core benchmark score
25.0%
4.6
Geekbench 6 single-core benchmark score
20.0%
6.1
CPU boost clock speed
17.0%
2.1
L3 cache
8.0%
1.8
N. of physical cores
2.5
Video editing
Score components:
45.0%
2.9
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

Best prices in UK

Best rankings

#53 in Best Workstation CPUs

Verdict

The Intel Core i7-7740X is a Kaby Lake-X series processor designed for the enthusiast LGA 2066 socket (X299 chipset), featuring 4 cores and 8 threads with a base clock of 4.3 GHz and a max turbo frequency of 4.5 GHz. Built on a 14nm process with an 8MB L3 cache and a 112W TDP, its main characteristics include exceptional single-core performance and superior gaming results, often outperforming higher core-count CPUs in frequency-dependent tasks. Its primary pros are its immense overclocking headroom, often reaching 5.0–5.1 GHz easily, and serving as an entry point to the high-end desktop (HEDT) platform for future upgrades. However, notable cons include the lack of integrated graphics, restricted dual-channel memory and 16 PCIe lane support that underutilizes the X299 platform, and poor value due to high motherboard costs compared to the nearly identical but more efficient i7-7700K.

Technical Specifications of processor Intel Core i7 7740X

Overall score

5.1

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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

8.2

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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

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

4.6

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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

4.8

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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

5.5

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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

2.8

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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

N/A

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

N/A

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

N/A

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

N/A

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Power & Thermal

4.2

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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

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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 7740X vs the average processor

Why is Intel Core i7 7740X better than the average processor?

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Unlocked for overclocking
Intel Core i7 7740X 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 7740X has an unlocked multiplier, the average processor does not.
2.13x faster classroom rendering
Intel Core i7 7740X has a lower Blender Classroom render time than the average processor (1,687.9 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 7740X has a lower Blender Classroom render time than the average processor (1,687.9 vs 791.745). The average processor needs 791.745 for the Blender Classroom test.1,687.85 vs 791.745
Supports memory overclocking
Intel Core i7 7740X 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 7740X supports memory overclocking, the average processor does not.
Modern CPU socket
Intel Core i7 7740X uses a more modern CPU socket than the average processor (LGA2,066 vs FP2).
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
Intel Core i7 7740X uses a more modern CPU socket than the average processor (LGA2,066 vs FP2).LGA2066 vs FP2
Higher-end processor class
Intel Core i7 7740X belongs to a higher-end processor class than the average processor (workstation vs mobile).
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
Intel Core i7 7740X belongs to a higher-end processor class than the average processor (workstation vs mobile).workstation vs mobile
6.05x more popular
Intel Core i7 7740X is more popular than the average processor (6.05 vs 1.000).
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 7740X is more popular than the average processor (6.05 vs 1.000).6.05 vs 1
Supports HMP
Intel Core i7 7740X supports HMP, the average processor does not.
What it is: Uses heterogeneous multi-processing to coordinate different core types together.
When it matters: When hybrid-core scheduling behavior matters for efficiency, workload balancing, or lower-level software behavior.
Importance: LOW
Intel Core i7 7740X supports HMP, the average processor does not.
4.7% higher boost clock
Intel Core i7 7740X has a higher boost clock speed than the average processor (4.5 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 7740X has a higher boost clock speed than the average processor (4.5 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.4.5 GHz vs 4.3 GHz
Modern CPU socket
Intel Core i7 7740X uses a more modern CPU socket than the average processor (LGA2,066 vs FP2).
Higher-end processor class
Intel Core i7 7740X belongs to a higher-end processor class than the average processor (workstation vs mobile).
Supports HMP
Intel Core i7 7740X supports HMP, the average processor does not.
Unlocked for overclocking
Intel Core i7 7740X has an unlocked multiplier, the average processor does not.
2.13x faster classroom rendering
Intel Core i7 7740X has a lower Blender Classroom render time than the average processor (1,687.9 vs 791.745). The average processor needs 791.745 for the Blender Classroom test.
4.7% higher boost clock
Intel Core i7 7740X has a higher boost clock speed than the average processor (4.5 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.
8.8% better single-core performance
Intel Core i7 7740X has a higher PassMark single-core score than the average processor (2,701 vs 2,483). The average processor scores 2,483 in PassMark single-core.
15 higher clock multiplier
Intel Core i7 7740X has a higher clock multiplier than the average processor (43 vs 28). The average processor has a clock multiplier of 28.
10.3% higher single-core score
Intel Core i7 7740X has a higher Geekbench 6 single-core score than the average processor (1,623 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
16.7% more L3 per core
Intel Core i7 7740X 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 7740X supports memory overclocking, the average processor does not.

Cache & Architecture

Why is Intel Core i7 7740X worse than the average processor?

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3 year/s older release date
Intel Core i7 7740X has an older release date than the average processor (2,017 vs 2,020).
June 2017
No crypto acceleration
Intel Core i7 7740X does not include crypto acceleration, the average processor does.
2 fewer CPU cores
Intel Core i7 7740X has fewer CPU cores than the average processor (4 vs 6). The average processor has 6 CPU cores.
16.7% larger process node
Intel Core i7 7740X has a higher process node than the average processor (14 nm vs 12 nm). The average processor uses a process node of 12 nm.
60% smaller L2 cache
Intel Core i7 7740X 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 7740X 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.
33.3% smaller L1 cache
Intel Core i7 7740X has a lower L1 cache than the average processor (256 KB vs 384 KB). The average processor has L1 cache of 384 KB.
9.1% lower memory speed
Intel Core i7 7740X has a lower maximum memory speed than the average processor (2,666 MHz vs 2,933 MHz). The average processor supports memory speed of 2,933 MHz.
No integrated graphics
Intel Core i7 7740X does not include integrated graphics, the average processor does.
2.49x higher base power
Intel Core i7 7740X has a higher base power draw than the average processor (112 W vs 45 W). The average processor has a base power draw of 45 W.
No configurable TDP
Intel Core i7 7740X does not support configurable TDP, the average processor does.
2.49x higher TDP
Intel Core i7 7740X has a higher TDP than the average processor (112 W vs 45 W). The average processor has a TDP of 45 W.
2 fewer CPU cores
Intel Core i7 7740X 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 7740X has fewer CPU cores than the average processor (4 vs 6). The average processor has 6 CPU cores.4 vs 6
2.49x higher base power
Intel Core i7 7740X has a higher base power draw than the average processor (112 W vs 45 W). The average processor has a base power draw of 45 W.
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
Intel Core i7 7740X has a higher base power draw than the average processor (112 W vs 45 W). The average processor has a base power draw of 45 W.112 W vs 45 W
16.7% larger process node
Intel Core i7 7740X has a higher process node than the average processor (14 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 7740X has a higher process node than the average processor (14 nm vs 12 nm). The average processor uses a process node of 12 nm.14 nm vs 12 nm
50% less L2 per core
Intel Core i7 7740X 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.
What it is: The amount of L2 cache available to each CPU core.
When it matters: When you are comparing per-core cache resources in deeper architectural analysis.
Importance: LOW
Good value: >=1 MB/core
Intel Core i7 7740X 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.0.25 MB/core vs 0.5 MB/core
60% smaller L2 cache
Intel Core i7 7740X 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.
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
Intel Core i7 7740X 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.1 MB vs 2.5 MB
No configurable TDP
Intel Core i7 7740X does not support configurable TDP, the average processor does.
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
Intel Core i7 7740X does not support configurable TDP, the average processor does.
2.49x higher TDP
Intel Core i7 7740X has a higher TDP than the average processor (112 W vs 45 W). The average processor has a TDP of 45 W.
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
Intel Core i7 7740X has a higher TDP than the average processor (112 W vs 45 W). The average processor has a TDP of 45 W.112 W vs 45 W
No integrated graphics
Intel Core i7 7740X does not include integrated graphics, the average processor does.
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
Intel Core i7 7740X does not include integrated graphics, the average processor does.

Cache & Architecture

Integrated Graphics

Power & Thermal

Graphic comparison of Intel Core i7 7740X 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 7740X?

High base clock speed of 4.3 GHz and excellent single-threaded performance
Superb gaming performance, often matching or beating higher core-count CPUs in frequency-dependent titles
Tremendous overclocking capacity, frequently reaching 5.0 GHz to 5.2 GHz with standard cooling
Provides an entry-level gateway to the enthusiast X299 platform and future high-core-count upgrade paths
Features a larger heat spreader (IHS) compared to the i7-7700K, which can lead to slightly better thermal conductivity

What customers dislike about Intel Core i7 7740X?

Lacks an integrated GPU (iGPU), removing quick-sync support and a troubleshooting fallback
Requires more expensive X299 motherboards while disabling half of their key features, such as quad-channel memory and extra PCIe lanes
Restricted to only 16 PCIe lanes, making it unsuitable for high-end multi-GPU configurations
Poor value compared to the i7-7700K, which offers nearly identical performance on a much cheaper platform
Higher TDP (112W) compared to the i7-7700K (91W) without a significant corresponding boost in processing power
Underwhelming multi-threaded performance for a product marketed as 'High-End Desktop' (HEDT)

Expert reviews

hardwarezone.com.sg

29/07/2017

Intel Core i7-7740X review: One fast but awkward processor - HardwareZone Would you like more information on compatible motherboards or benchmark comp...

The Intel Core i7-7740X, reviewed by HardwareZone, is identified as a "fast but awkward" processor that places quad-core Kaby Lake architecture onto the HEDT X299 platform. Featuring a 4.3GHz base and 4.5GHz boost clock, it excels in single-threaded tasks, gaming, and responsiveness, while trailing in heavy multi-threaded workloads. Pros include high-speed performance and strong...Read more

hardwarecanucks.com

28/09/2017

The Intel Kaby Lake-X i7-7740X Review - Hardware Canucks

Hardware Canucks characterizes the Intel Core i7-7740X as a misplaced "orphan" in the HEDT lineup, essentially a die-transplant of the mainstream i7-7700K onto the LGA 2066 socket that lacks key X299 platform features. While offering a slight 100MHz clock speed boost, the four-core, eight-thread chip is deemed underwhelming for high-end, despite offering a lower entry cost into the...Read more

tweaktown.com

05/07/2017

Intel Core i7-7740X X-Series Kaby Lake-X CPU Review - TweakTown

The TweakTown review identifies the Intel Core i7-7740X as a "transplanted" Kaby Lake CPU, offering a 4.3GHz base clock (100MHz over the i7-7700K) but moving to the X299 platform with a higher 112W TDP. Pros include exceptional overclocking (stable 5.1GHz at 1.3V), a "dream" for overclockers, and excellent single-threaded performance that excels in gaming. However, cons center on...Read more

kitguru.net

11/07/2017

Intel Core i7-7740X 'Kaby Lake-X' 4C8T CPU Review - KitGuru

KitGuru’s review characterises the Intel Core i7-7740X as a "re-packaged," high-frequency 4-core/8-thread chip for the X299 platform, offering a slight 4.3GHz base clock boost over the i7-7700K but lacking integrated graphics. While demonstrating "tremendous" overclocking potential to 5.1GHz, the CPU suffers from poor value due to high platform costs, with performance lagging...Read more

guru3d.com

07/07/2017

Intel Core i7 7740X processor review - Guru3D

The Guru3D review finds the Intel Core i7-7740X is a high-frequency, quad-core Kaby Lake-X processor offering exceptional overclocking capabilities up to 5.2 GHz, acting as an entry-level option for the X299 platform. While delivering strong gaming and single-threaded performance, the chip is hampered by high power consumption and significant heat output under load. The review notes...Read more

tomshardware.com

12/07/2017

Intel Core i7-7740X Kaby Lake-X Review - Tom's Hardware

Tom's Hardware review finds the Intel Core i7-7740X is a 4-core, 8-thread "die transplant" on the HEDT X299 platform, offering high clock speeds and excellent overclocking capacity. However, it hamstrings the platform by offering only dual-channel memory support and limited PCIe lanes, while utilizing standard thermal paste that results in high temperature deltas. Lacking an...Read more

pcmag.com

28/06/2017

Intel Core i7-7740X Review - PCMag

The PCMag review characterizes the Intel Core i7-7740X as a high-clock-speed (4.3GHz base, 4.5GHz turbo) "Kaby Lake-X" processor that serves as an entry point into the enthusiast X299 platform, offering excellent 1080p gaming performance. While it provides a potential upgrade path to higher-core CPUs, it functions essentially as a repackaged, slightly faster Core i7-7700K. Key...Read more

guru3d.com

07/07/2017

Intel Core i7 7740X processor review Do you need help finding specific benchmarks or comparing its gaming performance to the i7-7700K?

The Guru3D review of the Intel Core i7-7740X (Kaby Lake-X) processor on the X299 platform examines its position as a high-frequency, quad-core chip in the HEDT market. Pros include exceptional overclocking, with stability achieved at 5.2 GHz, and a solid upgrade path for the X299 platform. However, cons include high thermal output requiring premium cooling, and limitations on the...Read more

vortez.net

19/06/2017

Intel Kaby Lake-X Core i7-7740X Review: Better Than 7700K?

The Intel Core i7-7740X is a quad-core Kaby Lake-X processor for the LGA 2066 platform, offering slightly higher clocks (4.3 GHz base, 4.5 GHz boost) than the i7-7700K but lacking an integrated GPU and restricting users to dual-channel memory. The review highlights excellent overclocking potential, reaching 5.2 GHz easily, along with better thermal management and lower operating...Read more

hothardware.com

19/06/2017

Intel Core i9-7900X And Core i7-7740X CPU Review

HotHardware’s review of the Intel Core i9-7900X and Core i7-7740X features the Skylake-X flagship and Kaby Lake-X entry-level chip, launched to counter AMD's competition. The 10-core i9-7900X shines in multi-threaded tasks like rendering (Cinebench, Blender) with high clock speeds and quad-channel memory, though it requires heavy cooling due to high power consumption. Conversely,...Read more

kitguru.net

11/07/2017

Intel Core i7-7740X ‘Kaby Lake-X’ 4C8T CPU Review (inc. 5.1GHz OC)

The KitGuru review highlights the Intel Core i7-7740X as an ultra-fast gaming processor that essentially functions as a re-packaged 7700K for the X299 platform, offering exceptional single-core performance but lacking the benefits of quad-channel memory. While the chip demonstrates tremendous overclocking headroom, hitting a stable 5.1GHz across all cores, its high-power draw...Read more

chip.de

04/08/2017

Intel Core i7-7740X Review", "Intel Core i7-7740X Benchmark

The CHIP review highlights the Intel Core i7-7740X as a specialized "Kaby Lake-X" processor for the X299 platform, boasting high 4.3 GHz base/4.5 GHz boost clocks and strong overclocking potential, often reaching 5.0–5.1 GHz. It is noted for exceptional single-core performance and gaming prowess but suffers from significant limitations compared to true High-End Desktop (HEDT)...Read more

computerbild.de

01/07/2017

Intel Core i7-7740X: Kaby Lake-X CPU Review

The Intel Core i7-7740X is a quad-core processor that adapts the mainstream i7-7700K for the high-end X299 platform, offering slightly higher stock speeds of 4.3 GHz and superb gaming performance. It is a strong overclocker, often achieving 5.0–5.1 GHz easily due to the robust power delivery on X299 motherboards, making it suitable for frequency-sensitive tasks. However, the CPU...Read more

gamestar.de

28/06/2017

Intel Core i7 7740X Review - Kaby Lake-X vs. Core i7 7700K and Ryzen

The Intel Core i7-7740X ("Kaby Lake-X") acts as a hybrid, 4-core/8-thread processor attempting to bridge mainstream gaming and high-end desktop (HEDT) platforms, offering superior single-core performance over the 7700K but limited by X299 platform constraints. Pros include enhanced overclocking headroom (5.0-5.2 GHz), lower operating temperatures, and serving as an entry point to...Read more

notebookcheck.com

06/07/2017

Kaby-Lake-X: Intel Core i7-7740X Review", "Kaby-Lake-X: Testing the Intel Core i7-7740X

The Intel Core i7-7740X is a high-end desktop (HEDT) processor, effectively a repackaged, slightly faster Core i7-7700K adapted for the LGA 2066 socket, offering excellent single-core performance and gaming potential. While delivering exceptional overclocking headroom (up to 5.1 GHz), it suffers from high power consumption, thermal management issues using TIM instead of solder, and...Read more

chip.de

04/08/2017

Intel Core i7-7740X: Benchmarks in Review - Video

The Intel Core i7-7740X is a Kaby Lake-X quad-core processor designed for the LGA 2066 X299 platform, offering a 100 MHz boost over the i7-7700K with excellent single-core performance, high overclocking headroom often exceeding 5.0 GHz, and improved thermals due to a larger heat spreader. However, the processor requires expensive X299 motherboards, lacks quad-channel memory support,...Read more

lesnumeriques.com

29/09/2017

Intel Core i7-7740X Review: A More Expensive i7-7700K

The Intel Core i7-7740X is a 4-core/8-thread Kaby Lake-X processor offering high base clocks (4.3 GHz) on the LGA2066 X299 platform, aiming to be an affordable entry point for the HEDT market. It provides high single-threaded performance and strong overclocking capability, often surpassing the i7-7700K in raw speed due to higher thermal headroom. However, the chip suffers from...Read more

comptoir-hardware.com

25/07/2017

Review • Intel X299 / Core i9-7900X & Core i7-7740X

The review covers Intel's X299 platform, highlighting the 10-core Core i9-7900X (Skylake-X) and the Core i7-7740X (Kaby Lake-X). The i9-7900X introduces a new mesh architecture for high-end productivity, while the i7-7740X serves as a repurposed mainstream chip for the LGA 2066 socket. The i9-7900X offers massive multi-core throughput and 44 PCIe lanes as pros, but suffers from high...Read more

ginjfo.com

21/07/2017

Intel Core i7-7740X and Core i9-7900X: Full Review

A July 2017 GinjFo review evaluates Intel's Core i9-7900X (Skylake-X) and Core i7-7740X (Kaby Lake-X) on the LGA 2066 platform, highlighting distinct performance characteristics for HEDT users. The 10-core Core i9-7900X is praised for extreme multi-threaded performance in rendering and encoding, offering strong value at its launch price, though it suffers from high power consumption...Read more

tomshardware.fr

04/07/2017

Kaby Lake-X Review: Core i5-7640X and i7-7740X vs. Ryzen", "Testing Kaby Lake-X: The Core i5-7640X and i7-7740X up against Ryzen", "Kaby Lake-X Benchm...

Tom’s Hardware characterizes the Intel Core i5-7640X and i7-7740X (Kaby Lake-X) as confusing, high-priced additions to the HEDT market, offering performance nearly identical to mainstream Z270 counterparts. While featuring high clock speeds suitable for gaming, they lack integrated graphics and require expensive X299 motherboards, which fail to utilize the platform’s full feature...Read more

hardware.fr

29/06/2017

Intel Core i9-7900X and Core i7-7740X Review: Déjà Vu

The Hardware.fr review of Intel's HEDT lineup introduces the Core i9-7900X (Skylake-X) with 10 cores and 20 threads, utilizing a new mesh architecture for improved core-to-core communication, while the Core i7-7740X (Kaby Lake-X) serves as a repackaged, non-GPU variant for the LGA 2066 socket. The i9-7900X dominates in multi-threaded tasks with high clock speeds and 13.75MB of L3...Read more

cowcotland.com

19/06/2017

Intel Core i7-7740X Processor Review

The Intel Core i7-7740X, a 4-core/8-thread Kaby Lake-X processor running at 4.3–4.5 GHz, offers top-tier gaming and single-threaded performance on the LGA 2066 socket. While lacking integrated graphics, its standout feature is exceptional overclocking potential, easily achieving over 5.1 GHz on X299 motherboards while maintaining efficient power consumption. Despite its speed, the...Read more

profesionalreview.com

26/06/2017

Intel i7-7740X Review (Complete Analysis)

The Intel Core i7-7740X is a quad-core Kaby Lake-X processor for the LGA 2066 platform, offering exceptional single-core speeds and acting as a high-frequency, niche entry point for enthusiasts. Pros include excellent overclocking potential (often 5.0+ GHz), improved thermal handling, and support for faster memory, making it a viable placeholder for future upgrades. However, it...Read more

tech.everyeye.it

29/01/2018

Intel Core i7-7740X - Everyeye.it

The Intel Core i7-7740X is a quad-core Kaby Lake-X processor designed for the LGA 2066 socket, acting essentially as a 4.3GHz to 4.5GHz "die transplant" of the i7-7700K onto the X299 chipset. It serves as a high-frequency, overclockable entry point for the HEDT platform that delivers excellent single-core performance in gaming, with potential to reach stable speeds of 5.0GHz–5.2GHz....Read more

tomshw.it

12/07/2017

Intel Core i7-7740X Kaby Lake-X Review

The Intel Core i7-7740X is a Kaby Lake-X processor that transplants the quad-core 7700K architecture onto the LGA 2066 X299 platform, offering slightly higher base frequencies of 4.3 GHz. While offering similar performance to the mainstream counterpart, it provides superior overclocking headroom, with many units reaching 5.1 GHz or higher on X299 motherboards. Pros include excellent...Read more

rehwolution.it

08/04/2018

ASRock X299 Extreme4 (Review featuring i7-7740X benchmarks)

The ASRock X299 Extreme4 is a high-value, entry-level HEDT motherboard designed for the Intel LGA 2066 platform, offering robust power delivery with an 11-phase VRM and dual 8-pin connectors capable of handling high-core-count CPUs. It features effective cooling via "XXL" heatsinks, supporting stable, overclocked performance at an affordable price point. Technical highlights include...Read more

techpulse.be

23/03/2018

MSI X299 SLI Plus review: cheap board for an expensive CPU (Test platform with i7-7740X)

The MSI X299 SLI PLUS is a budget-friendly motherboard for Intel’s high-end X299 platform, offering a professional, all-black aesthetic suitable for workstations. It provides essential features like dual Intel Gigabit LAN, support for 128GB of quad-channel RAM, and two M.2 slots. Despite its lower price, the board includes useful diagnostic tools such as BIOS Flashback, Clear CMOS...Read more

notebookcheck.nl

11/11/2017

Brief Test Report: Ryzen 3 1200 and 1300X for Desktop PCs (Including i7-7740X benchmarks)

The AMD Ryzen 3 1200 and 1300X brought native quad-core performance to the budget market, offering a 65W TDP and 8 MB of L3 cache, though they lack SMT. While the 1300X offers higher clock speeds, both CPUs provide strong multi-threaded efficiency, surpassing competitors like the i3-7100 by roughly 13% in multi-core tasks. A significant advantage is that both chips are unlocked for...Read more

notebookcheck.nl

22/07/2017

Short Review: Kaby Lake X: Intel Core i7-7740X", "Brief Test Report: Kaby Lake X: Intel Core i7-7740X

The Intel Core i7-7740X serves as a "niche" processor, bringing the quad-core Kaby Lake architecture to the high-end LGA 2066 platform. It offers high stock frequencies of 4.3 GHz and an increased 112W TDP, acting largely as a placeholder for the X299 platform rather than a true HEDT powerhouse. Pros include excellent gaming performance, impressive overclocking potential, and an...Read more

tweakers.net

19/06/2017

Intel: Good Core i7-7740X samples hit 5GHz at 1.2 volts

According to a Tweakers report, select Intel Core i7-7740X (Kaby Lake-X) processors can achieve a stable 5GHz overclock at just 1.2V, offering improved efficiency over the mainstream i7-7700K. This higher-quality silicon, combined with the larger LGA 2066 socket and lack of an integrated GPU, provides better thermal headroom for enthusiasts to reach high frequencies with less power....Read more

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