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Intel Core i7-5775C review: 74 specs compared

Avg. price:~£330PassMark multi-core score:7717N. of physical cores:4CPU boost clock speed:3.7 GHzCPU socket:LGA1150TDP (Thermal design power):65 W

Intel Core i7-5775C Review: Compare 74 technical specifications and 16 expert and video reviews to see how this product ranks in the Processors category and whether it is worth buying.

Intel Core i7-5775C

6.0/10

▼Worse than 75% of processors

6.8

▼Worse than 79%

5.0

▼Worse than 61%

5.0

▼Worse than 75%

?

Not in any best-of list yet

3.5
Gaming
Gaming
3.5/ 10
✕
What it is
Measures single-core benchmark performance, peak boost clock speeds, and fast L3 cache sizing critical for high frame rates.
When it matters
When you want to play demanding mobile games, 3D titles, or run graphics-intensive apps smoothly.
Score distribution
▼
<55-66-77-88-99-10
Score components
30.0%
4.0
PassMark single-core score
25.0%
4.3
Geekbench 6 single-core score
20.0%
3.9
CPU boost clock speed
17.0%
1.6
L3 cache
8.0%
2.3
N. of physical cores
3.5
Video editing
Video editing
3.5/ 10
✕
What it is
Assesses multi-core benchmark throughput, total physical core and thread count, and cache bandwidth for rapid video rendering.
When it matters
When evaluating how effectively this processors meets your specific video editing needs.
Score distribution
▼
<55-66-77-88-99-10
Score components
45.0%
4.3
Geekbench 6 multi-core score
20.0%
2.3
N. of physical cores
20.0%
4.4
CPU threads
15.0%
1.6
L3 cache

Where to buy

*As an Amazon Associate, we earn from qualifying purchases.

Best rankings

What reviewers say about the Intel Core i7-5775C

Based on 9 · 6

Reviewers love the integrated graphics and efficiency, but find processor performance underwhelming and the chip hard to find.

Praised

Mixed views

Criticised

Pick a topic to see who said what

What owners say about the Intel Core i7-5775C

Based on 56 owners sharing their experience in online comments

75%positive13%mixed12%negative

Owners praise its lasting gaming speed, efficiency, and overclocking headroom; motherboard support and stability can frustrate.

What owners like

Owners say most games stay above 60 fps, including demanding titles like Cyberpunk 2077 at medium settings, especially with an overclock.17
Many owners ran it stably at 4.2GHz on air, and some reached 4.4GHz after delidding with liquid metal. The eDRAM cache can also be raised.13
Owners kept the chip running for many years, some as a main or 24/7 PC, through several graphics card upgrades.9
Owners report temperatures around 56°C under full load with a large air cooler, and the chip can be set to 35 watts.7
Owners say it beats the i7-4790K in real use and can match the i7-7700K, one saying it rivals the i7-8700K.7
Owners say the 128 MB L4 cache makes RAM speed matter less and is unlocked when a discrete graphics card is installed.6
The Iris Pro 6200 runs older games well, such as Unreal Tournament 99 above 150 fps at 1080p.4
Owners found used units cheaper than the i7-4790K, making it a budget upgrade for older 1150 systems.4
Owners have used it in HTPCs, home file servers, NAS boxes and a family Minecraft server for years.4

What owners dislike

Reaching 4.2GHz sometimes needed about 1.45V, some overclocks failed stress tests, and setup with Intel XTU can be finicky.7
Owners say the i7-4790K is faster for rendering and editing, and with DDR3-2400 memory the 5775C can be unstable.4
One owner saw only 5 to 15 fps in a driving game even with graphics turned down.4
Z87 boards often lack the BIOS update needed, and some Z97 or H81 boards fail to post or show a CPU error light.3
Some owners found it unstable with DDR3-2400 memory, and one said it did not like dual-channel memory.3

Points mentioned by at least 3 owners, most mentioned first.

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Technical Specifications of processor Intel Core i7-5775C

6.0

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Platform

7.5

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Processor type

CPU socket

Chipset

CPU architecture

Instruction sets

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What reviewers say

Performance

4.7

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N. of physical cores

CPU threads

CPU boost clock speed

CPU base clock speed

PassMark multi-core score

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What reviewers say

Architecture

4.1

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Semiconductor size

Foundry

L3 cache

L2 cache

L1 cache

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What reviewers say

Memory & PCIe

4.7

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DDR memory version

Maximum memory speed

Max memory speed (JEDEC)

?

Max memory speed (XMP / EXPO)

?

Maximum memory capacity

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Integrated graphics

7.5

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Integrated graphics

Integrated GPU model

Integrated GPU execution units

Integrated GPU base frequency

Integrated media encoders/decoders

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What reviewers say

Power & Thermal

7.9

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TDP (Thermal design power)

Base power (PL1)

Boost power (PL2)

?

Tau (power duration limit)

?

Configurable TDP

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What reviewers say

Intel Core i7-5775C vs the average processor

Why is Intel Core i7-5775C better than the average processor?

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Unlocked for overclocking
This processor has an unlocked multiplier, while the average processor does not. 22.6% of processors offer this.
Includes a cooler
This processor includes a cooler, while the average processor does not. 26.9% of processors include a cooler.
Supports memory overclocking
This processor supports memory overclocking, while the average processor does not. 43.9% of processors support memory overclocking.
23.6% higher sentiment score
8.9 vs 7.2
2x more GPU execution units
This processor has more GPU execution units than the average processor (48 vs 24). The average processor has 24 GPU execution units.
48 vs 24

23.6% higher sentiment score
8.9 vs 7.2

Unlocked for overclocking
This processor has an unlocked multiplier, while the average processor does not. 22.6% of processors offer this.

Supports memory overclocking
This processor supports memory overclocking, while the average processor does not. 43.9% of processors support memory overclocking.

2x more GPU execution units
This processor has more GPU execution units than the average processor (48 vs 24). The average processor has 24 GPU execution units.
48 vs 24

Includes a cooler
This processor includes a cooler, while the average processor does not. 26.9% of processors include a cooler.

Why is Intel Core i7-5775C worse than the average processor?

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15.9% lower boost clock
This processor has a lower boost clock speed than the average processor (3.7 GHz vs 4.4 GHz). The average processor reaches boost clock speed of 4.4 GHz.
3.7 GHz vs 4.4 GHz
25.4% lower review score
Reviews score
5.0/ 10
✕
What it is
Average grade from independent test sites, magazines and video reviewers, 1–10.
How we count it
Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves. Big test sites count more, short reviews half as much as full tests. A video review counts half.
Score: The average grade is 80% of the review mark; the number of reviews is the other 20% (1 review = 5, the typical number in this category = 8, the most-reviewed model = 10).
Enough data: With few reviews, the average grade is pulled toward the typical grade of this category. No reviews yet: 7.2 for now.
Share: Reviews count 25% of the overall score.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 75% of models
5.0
Mark 7.2 is below the typical mark 7.6 of this category, so it cannot lift the score above the technical score
80%
6.8
Average grade
20%
9.0
Popularity
Grades by review (16)
10 reviews: 4 with a printed score, 6 estimated from the review. 6 video reviews, each counting half as much as a written test. Reviews count 25% of the overall score.
User ratings collected online are not part of this score.
5.0 vs 6.7
2 fewer CPU cores
This processor has fewer CPU cores than the average processor (4 vs 6). The average processor has 6 CPU cores.
4 vs 6
32.7% lower PassMark score
This processor has a lower PassMark benchmark score than the average processor (7,717 vs 11,469). The average processor scores 11,469 in PassMark benchmark.
7,717 vs 11,469
50% lower memory speed
This processor has a lower maximum memory speed than the average processor (1,600 MHz vs 3,200 MHz). The average processor supports memory speed of 3,200 MHz.
1,600 MHz vs 3,200 MHz
Weaker security extensions
This processor provides less advanced security extensions than the average processor (AES-NI, NX bit, Secure Key, SGX, TXT, OS Guard vs AES-NI, NX bit, Secure Key, TXT, OS Guard, Boot Guard, CET, MBEC, TME, TME-MK).
AES-NI, NX bit, Secure Key, SGX, TXT, OS Guard vs AES-NI, NX bit, Secure Key, TXT, OS Guard, Boot Guard, CET, MBEC, TME, TME-MK
46.3% larger die size
This processor has a higher die size than the average processor (259 mm² vs 177 mm²). The average processor has a die size of 177 mm².
259 mm² vs 177 mm²
45.4% lower memory bandwidth
This processor has a lower memory bandwidth than the average processor (25.6 GB/s vs 46.9 GB/s). The average processor offers memory bandwidth of 46.9 GB/s.
25.6 GB/s vs 46.9 GB/s

25.4% lower review score
Reviews score
5.0/ 10
✕
What it is
Average grade from independent test sites, magazines and video reviewers, 1–10.
How we count it
Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves. Big test sites count more, short reviews half as much as full tests. A video review counts half.
Score: The average grade is 80% of the review mark; the number of reviews is the other 20% (1 review = 5, the typical number in this category = 8, the most-reviewed model = 10).
Enough data: With few reviews, the average grade is pulled toward the typical grade of this category. No reviews yet: 7.2 for now.
Share: Reviews count 25% of the overall score.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 75% of models
5.0
Mark 7.2 is below the typical mark 7.6 of this category, so it cannot lift the score above the technical score
80%
6.8
Average grade
20%
9.0
Popularity
Grades by review (16)
10 reviews: 4 with a printed score, 6 estimated from the review. 6 video reviews, each counting half as much as a written test. Reviews count 25% of the overall score.
User ratings collected online are not part of this score.
5.0 vs 6.7
6.5% worse value for money
Intel Core i7-5775C has worse value for money than the average processor (6.84 vs 7.3).
6.84 vs 7.29
32% more expensive
Intel Core i7-5775C is more expensive than the average processor (£330 vs £250).
£330 vs £250

Weaker security extensions
This processor provides less advanced security extensions than the average processor (AES-NI, NX bit, Secure Key, SGX, TXT, OS Guard vs AES-NI, NX bit, Secure Key, TXT, OS Guard, Boot Guard, CET, MBEC, TME, TME-MK).
AES-NI, NX bit, Secure Key, SGX, TXT, OS Guard vs AES-NI, NX bit, Secure Key, TXT, OS Guard, Boot Guard, CET, MBEC, TME, TME-MK
5 years older release date
This processor has an older release date than the average processor (2015 vs 2020).
June 2015
2015 vs 2020
More limited crypto acceleration
This processor offers more limited crypto acceleration than the average processor (AES vs AES, SHA).
AES vs AES, SHA

15.9% lower boost clock
This processor has a lower boost clock speed than the average processor (3.7 GHz vs 4.4 GHz). The average processor reaches boost clock speed of 4.4 GHz.
3.7 GHz vs 4.4 GHz
2 fewer CPU cores
This processor has fewer CPU cores than the average processor (4 vs 6). The average processor has 6 CPU cores.
4 vs 6
32.7% lower PassMark score
This processor has a lower PassMark benchmark score than the average processor (7,717 vs 11,469). The average processor scores 11,469 in PassMark benchmark.
7,717 vs 11,469
10.8% weaker single-core performance
This processor has a lower PassMark single-core score than the average processor (2,283 vs 2,558). The average processor scores 2,558 in PassMark single-core.
2,283 vs 2,558
6.3% lower single-core score
This processor has a lower Geekbench 6 single-core score than the average processor (1,439 vs 1,535). The average processor scores 1,535 in Geekbench 6 single-core.
1,439 vs 1,535
37.5% lower bus transfer rate
This processor 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.
5 GT/s vs 8 GT/s

46.3% larger die size
This processor has a higher die size than the average processor (259 mm² vs 177 mm²). The average processor has a die size of 177 mm².
259 mm² vs 177 mm²
66.7% smaller L2 cache
This processor has a lower L2 cache than the average processor (1 MB vs 3 MB). The average processor has L2 cache of 3 MB.
1 MB vs 3 MB
16.7% larger process node
This processor 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
This processor 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
18.9% less L3 per core
This processor has less L3 cache per core than the average processor (1.5 MB/core vs 1.85 MB/core). The average processor provides 1.85 MB/core of L3 cache per core.
1.5 MB/core vs 1.85 MB/core
Less advanced microarchitecture
This processor uses a less advanced microarchitecture than the average processor (Broadwell vs Kaby Lake).
Broadwell vs Kaby Lake
33.3% smaller L1 cache
This processor has a lower L1 cache than the average processor (256 KB vs 384 KB). The average processor has L1 cache of 384 KB.
256 KB vs 384 KB
33.3% smaller L3 cache
This processor has a lower L3 cache than the average processor (6 MB vs 9 MB). The average processor has L3 cache of 9 MB.
6 MB vs 9 MB
56.7% fewer transistors
This processor has fewer transistors than the average processor (2.1 billion vs 4.95 billion). The average processor has 4.95 billion transistors.
2.142 billion vs 4.95 billion

50% lower memory speed
This processor has a lower maximum memory speed than the average processor (1,600 MHz vs 3,200 MHz). The average processor supports memory speed of 3,200 MHz.
1,600 MHz vs 3,200 MHz
45.4% lower memory bandwidth
This processor has a lower memory bandwidth than the average processor (25.6 GB/s vs 46.9 GB/s). The average processor offers memory bandwidth of 46.9 GB/s.
25.6 GB/s vs 46.9 GB/s
Older DDR support
This processor supports an older DDR generation than the average processor (DDR3 vs DDR4).
DDR3 vs DDR4
Limited PCIe bifurcation
This processor supports less flexible PCIe bifurcation than the average processor (x16, x8/x8 vs x16, x8/x8, x4/x4/x4/x4).
x16, x8/x8 vs x16, x8/x8, x4/x4/x4/x4
50% less memory capacity
This processor has fewer maximum memory capacity than the average processor (32 GB vs 64 GB). The average processor supports 64 GB of memory.
32 GB vs 64 GB

Narrower media codec support
This processor supports fewer media codecs than the average processor (H.264 (HW decode/encode), H.265 (HW decode), MPEG-2 (HW decode/encode), VC-1 (HW decode), JPEG (HW decode/encode) vs H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode/encode), AV1 (HW decode), JPEG (HW decode/encode)).
H.264 (HW decode/encode), H.265 (HW decode), MPEG-2 (HW decode/encode), VC-1 (HW decode), JPEG (HW decode/encode) vs H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode/encode), AV1 (HW decode), JPEG (HW decode/encode)

44.4% higher base power
This processor has a higher base power draw than the average processor (65 W vs 45 W). The average processor has a base power draw of 45 W.
65 W vs 45 W
44.4% higher TDP
This processor has a higher TDP than the average processor (65 W vs 45 W). The average processor has a TDP of 45 W.
65 W vs 45 W
4 °C lower temperature limit
This processor has a lower temperature limit than the average processor (96 °C vs 100 °C). The average processor can run up to 100 °C.
96 °C vs 100 °C

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

5.0

RandomGaminginHD

≈ estimated

03/06/2026

Benchmark review · gaming and integrated graphics tests against the 4790K

Verdict

Intel Core i7-5775C has interesting integrated graphics, but it is a hard sell given its board requirements and the cheaper 4790K.

6.0

Iceberg Tech

≈ estimated

20/03/2023

Retrospective · gaming benchmarks · integrated graphics

Verdict

Intel Core i7-5775C has an interesting L4 cache, but its old Iris Pro graphics are best left in the past.

9.0

PCWizKids Tech Talk

≈ estimated

09/01/2016

Gaming PC build review · overclocking, temperatures and benchmarks

Verdict

Intel Core i7-5775C is easy to overclock to 4.2 GHz and draws little power, which makes it a strong choice for overclockers.

7.0

HiTechLegion

≈ estimated

15/07/2015

Hands-on review · overview, overclocking and upgrade advice

Verdict

Intel Core i7-5775C is a transitional chip, mainly worth it for Sandy Bridge owners and not for 4770K users.

6.0

Hardware Unboxed

≈ estimated

09/07/2015

Benchmark review · CPU, power, graphics and overclocking

Verdict

Intel Core i7-5775C is efficient with strong graphics, but it is clocked too low and costs more than Haswell.

8.0

NavJack27

≈ estimated

11/02/2016

First impressions · overclocking and early benchmarks

Verdict

Intel Core i7-5775C impresses at matching clocks, but a full opinion must wait for more testing.

Overview video

Not graded

Hands-on video, no verdict

Overview video

Overview video

Overview video

Expert reviews

In-depth analysis and verdict from leading tech publications

6.0

tomshardware.com

≈ estimated

02/06/2015

Broadwell: Intel Core i7-5775C And i5-5675C Review

Benchmark review · Desktop Broadwell

Verdict

The Intel Core i7-5775C is the first socketed desktop chip with Iris Pro graphics, but its lower clocks and the imminent Skylake launch make it hard to recommend.

4.0

pcworld.com

≈ estimated

03/08/2015

Intel Core i7-5775C review: The unwanted desktop Broadwell has one neat trick

Benchmark review · Iris Pro gaming

Verdict

The Intel Core i7-5775C trails the Core i7-4790K on most CPU tasks, but its Iris Pro graphics win at video encoding and in games at lower settings.

8.0

pcmag.com

✓ explicit

08/07/2015

Intel Core i7-5775C Review(www.legitreviews.com) | June 22 2015 | Intel Core i7-5775C Broadwell Processor Review

Lab test · Graphics and CPU

Verdict

The Intel Core i7-5775C has the best integrated graphics of any socketed chip, suited to a quiet, compact gaming PC at medium settings and 1080p.

5.0

hexus.net

≈ estimated

04/08/2015

Review: Intel Core i7-5775C (14nm Broadwell)

Lab review · Architecture and overclocking

Verdict

The Intel Core i7-5775C is mainly a showcase for Intel's stronger integrated graphics, with lower clocks than the Core i7-4790K and limited overclocking.

5.0

techradar.com

✓ explicit

20/07/2015

Intel Core i7-5775C review

Lab test · Graphics and power

Verdict

The Intel Core i7-5775C is a preview of Skylake, with strong integrated graphics and low power draw, but its slower CPU core lags the Core i7-4790K.

7.5

hothardware.com

✓ explicit

24/07/2015

Intel Core i7-5775C With Iris Pro Graphics Review

Overview review · Iris Pro graphics

Verdict

The Intel Core i7-5775C is a 65W desktop chip with Iris Pro graphics, and its 3.7GHz turbo ceiling is the main limit.

8.0

overclockers.com

≈ estimated

09/07/2015

Intel i7 5775C Broadwell CPU Review

Overclocking test · Power and temperatures

Verdict

The Intel Core i7-5775C draws less power than the Core i7-4790K and overclocks to 4.4GHz, but it isn't a worthwhile upgrade for enthusiasts with a discrete graphics card.

8.0

phoronix.com

≈ estimated

21/07/2015

Intel Core i7-5775C: Once Going, This Broadwell CPU Is Great...(www.guru3d.com) | July 15 2015 | Core i7 5775C processor review: Desktop Broadwell

Linux test · Integrated graphics

Verdict

The Intel Core i7-5775C is a solid choice for an open-source Linux PC, thanks to its Iris Pro graphics, once early setup hassles are sorted.

6.0

computerbase.de

≈ estimated

14/06/2015

Intel Core i7-5775C Review: Fast Processor Meets the Speediest Integrated Graphics

Launch overview · Desktop Broadwell

Verdict

The Intel Core i7-5775C has the fastest integrated graphics yet, but with a 3.7GHz turbo and Skylake six weeks away, few buyers really need it.

tomshardware.fr

02/06/2015

Intel Core i7-5775C and Core i5-5675C: Broadwell Has Arrived!

Not graded yet

Read full review →

Third-party reviews

What customers like about Intel Core i7-5775C

Exceptional integrated graphics performance (Iris Pro 6200) that outperformed contemporary AMD APUs
Large 128MB L4 eDRAM cache significantly improves minimum frame rates in many games
Highly power efficient with a low 65W TDP compared to its 88W predecessors
Operates at very low temperatures even when under load or slightly overclocked
Compatible with existing LGA 1150 (Z97/H97) motherboards via a BIOS update
Excellent performance for emulation (e.g., RPCS3, Cemu) due to the large L4 cache

What customers don't like about Intel Core i7-5775C

Lower base and turbo clock speeds (3.3GHz/3.7GHz) compared to the i7-4790K (4.0GHz/4.4GHz)
Limited overclocking headroom, often struggling to remain stable above 4.2GHz to 4.3GHz
High initial launch price made it a poor value compared to buying a cheaper CPU and a discrete GPU
Requires specific 9-series chipsets, limiting its use as a drop-in upgrade for older 8-series boards
Smaller L3 cache (6MB) compared to the 8MB standard on most other desktop i7 models
Was released very close to the Skylake architecture, making it feel quickly outdated

Verdict

The Intel Core i7-5775C is a 5th-generation Broadwell processor built on a 14nm process, featuring 4 cores and 8 threads with a base clock of 3.3 GHz and a turbo frequency of 3.7 GHz. Its standout characteristic is the integrated Iris Pro Graphics 6200 paired with 128MB of dedicated eDRAM (L4 cache), which significantly boosts both graphical and certain CPU-bound tasks. Main pros include exceptional power efficiency with a low 65W TDP, compatibility with the existing LGA1150 socket on 9-series motherboards, and being fully unlocked for overclocking. However, it suffers from lower base and boost clock speeds compared to its 4th-gen predecessor (i7-4790K), a reduced 6MB L3 cache, and historically limited overclocking headroom, often hitting a wall around 4.2 GHz.

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Compare Intel Core i7-5775C with other processors

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