Intel Core i5-7400 vs Core i7-2600K

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Combined performance score

i7-2600K
3.57

General info

Comparing Core i7-2600K and Core i5-7400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking14111410
Place by popularitynot in top-10054
Value for money1.144.32
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7 (Desktop)Intel Core i5
Architecture codenameSandy Bridge (2011−2013)Kaby Lake (2016−2019)
Release date9 January 2011 (13 years old)3 January 2017 (7 years old)
Launch price (MSRP)$317$182
Current price$144 (0.5x MSRP)$114 (0.6x MSRP)
Value for money

Performance per price, higher is better.

i5-7400 has 279% better value for money than i7-2600K.

Technical specs

Core i7-2600K and Core i5-7400 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)4 (Quad-Core)
Threads84
Base clock speed3.4 GHz3 GHz
Boost clock speed3.8 GHz3.5 GHz
Bus supportno data8 GT/s
L1 cache64 KB (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache8 MB (shared)6 MB (shared)
Chip lithography32 nm14 nm
Die size216 mm2no data
Maximum core temperature73 °C100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors1,160 millionno data
64 bit support++
Windows 11 compatibility--
Unlocked multiplierYesNo

Compatibility

Information on Core i7-2600K and Core i5-7400 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketLGA1155FCLGA1151
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2600K and Core i5-7400. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology+2.0
Hyper-Threading Technology+-
TSXno data-
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
SIPPno data-
FDI+no data
Fast Memory Access+no data
StatusDiscontinuedDiscontinued

Security technologies

Core i7-2600K and Core i5-7400 technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Secure Keyno data+
MPXno data+
Identity Protection++
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2600K and Core i5-7400 are enumerated here.

VT-d-+
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2600K and Core i5-7400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory size32 GB64 GB
Max memory channels22
Maximum memory bandwidth21 GB/s38.397 GB/s
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 3000Intel HD Graphics 630
Max video memoryno data64 GB
Quick Sync Video++
Clear Videono data+
Clear Video HD++
Graphics max frequency1.35 GHz1 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i7-2600K and Core i5-7400 integrated GPUs.

Number of displays supported23

Graphics image quality

Maximum display resolutions supported by Core i7-2600K and Core i5-7400 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by Core i7-2600K and Core i5-7400 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i7-2600K and Core i5-7400.

PCIe version2.03.0
PCI Express lanes1616

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i7-2600K 3.57
i5-7400 3.57

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Benchmark coverage: 68%

i7-2600K 5485
i5-7400 5489
+0.1%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Benchmark coverage: 42%

i7-2600K 666
i5-7400 1176
+76.6%

Core i5-7400 outperforms Core i7-2600K by 77% in GeekBench 5 Single-Core.

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Benchmark coverage: 42%

i7-2600K 2313
i5-7400 3233
+39.8%

Core i5-7400 outperforms Core i7-2600K by 40% in GeekBench 5 Multi-Core.

3DMark Fire Strike Physics

Benchmark coverage: 4%

i7-2600K 5020
i5-7400 6440
+28.3%

Core i5-7400 outperforms Core i7-2600K by 28% in 3DMark Fire Strike Physics.

Gaming performance

Advantages and disadvantages


Integrated graphics card 0.66 3.09
Recency 9 January 2011 3 January 2017
Threads 8 4
Cost $317 $182
Chip lithography 32 nm 14 nm
Power consumption (TDP) 95 Watt 65 Watt

We couldn't decide between Core i7-2600K and Core i5-7400. The differences in performance seem too small.


Should you still have questions on choice between Core i7-2600K and Core i5-7400, ask them in Comments section, and we shall answer.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-2600K
Core i7-2600K
Intel Core i5-7400
Core i5-7400

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Questions and comments

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