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

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

Intel Core i7-7700K
Intel Socket 1151 DESKTOP
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 i5-7640X Intel 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 i5-7640X Intel Core i7-7700K
Architecture Intel_Kabylake vs Intel_Kabylake
Market Desktop vs Desktop
Memory Support DDR4 vs DDR4
Codename Kaby Lake-X vs Kaby Lake
Release Date Jun 2017 vs Sep 2016

Cores

Intel Core i5-7640X Intel Core i7-7700K
Cores 4 vs 4
Threads 4 vs 8
SMPs 1 vs 1
Integrated Graphics No vs Intel HD Graphics 630

Cache

Intel Core i5-7640X Intel Core i7-7700K
L1 Cache 64 KB (per core) vs 64 KB (per core)
L2 Cache 256 KB (per core) vs 256 KB (per core)
L3 Cache 6144 KB (shared) vs 8192 KB (shared)

Physical

Intel Core i5-7640X Intel Core i7-7700K
Socket Intel Socket 2066 vs Intel Socket 1151
Max Case Temp 72°C vs 72°C
Package FC-LGA2066 vs
Die Size 308mm² vs unknown
Process 14 nm vs 14 nm

Performance

Intel Core i5-7640X Intel Core i7-7700K
Cpu Frequency 3900 MHz vs 4200 MHz
Turbo Clock Speed 4300 MHz vs 4500 MHz
Base Clock 100 MHz vs 100 MHz
Voltage unknown vs unknown
TDP 112 W vs 95 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