Intel Core i5-7640X vs Intel Core i7-7700K

Intel Core i5-7640X
Intel Socket 2066DESKTOP
3900 MHz / Cores: 4 / Jun 2017
Intel Core i5-7640X

Intel Core i7-7700K
Intel Socket 1151DESKTOP
4200 MHz / Cores: 4 / Sep 2016
Intel Core i7-7700K

Summary

Synthetic performance index

  • Intel Core i5-7640X
    100%
  • Intel Core i7-7700K
    121%

Relative performance

Single thread performance index

  • Intel Core i5-7640X
    100%
  • Intel Core i7-7700K
    101%

Relative performance

Multi thread performance index

  • Intel Core i5-7640X
    100%
  • Intel Core i7-7700K
    140%

Relative performance

Reasons to consider Intel Core i5-7640X

None

Reasons to consider Intel Core i7-7700K

Much higher multi threaded performance (around 40% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the Intel Core i5-7640X.
Around 21% higher average synthetic performance.

Intel Core i7-7700K

Gaming

HWBench recommends Intel Core i7-7700K

Based on game and synthetic benchmarks, and theoretical specifications.

Intel Core i7-7700K

Productivity

HWBench recommends Intel Core i7-7700K

Based on productivity benchmarks, overall multithreaded performance and theoretical specifications.



Specifications

Features

Intel Core i5-7640XIntel Core i7-7700K
MMX
SSE
SSE2
SSE3
SSSE3
SSE4.2
AVX
AVX2
EIST
Intel 64
XD bit
VT-x
AES-NI
CLMUL
FMA3
F16C
BMI1
BMI2
Boost 2.0
VT-d
HTT
TSX
TXT

Architecture

Intel Core i5-7640XIntel Core i7-7700K
ArchitectureIntel_KabylakevsIntel_Kabylake
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR4
CodenameKaby Lake-XvsKaby Lake
Release DateJun 2017vsSep 2016

Cores

Intel Core i5-7640XIntel Core i7-7700K
Cores4vs4
Threads4vs8
SMPs1vs1
Integrated GraphicsNovsIntel HD Graphics 630

Cache

Intel Core i5-7640XIntel Core i7-7700K
L1 Cache64 KB (per core)vs64 KB (per core)
L2 Cache256 KB (per core)vs256 KB (per core)
L3 Cache6144 KB (shared)vs8192 KB (shared)

Physical

Intel Core i5-7640XIntel Core i7-7700K
SocketIntel Socket 2066vsIntel Socket 1151
Max Case Temp72°Cvs72°C
PackageFC-LGA2066vs
Die Size308mm²vsunknown
Process14 nmvs14 nm

Performance

Intel Core i5-7640XIntel Core i7-7700K
Cpu Frequency3900 MHzvs4200 MHz
Turbo Clock Speed4300 MHzvs4500 MHz
Base Clock100 MHzvs100 MHz
Voltageunknownvsunknown
TDP112 Wvs95 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i5-7640X
    5160 points
  • Intel Core i7-7700K
    5400 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i5-7640X
    18720 points
  • Intel Core i7-7700K
    24192 points

Points - higher is better


Synthetic benchmarks

Cinebench R15 CPU Single 64Bit

  • Intel Core i5-7640X (simulated)
    192.96
  • Intel Core i7-7700K
    196

points - higher is better

Cinebench R15 CPU Multi 64Bit

  • Intel Core i5-7640X (simulated)
    691.74
  • Intel Core i7-7700K
    972

points - higher is better