Intel Core i5-7640X vs Intel Core i7-4790K

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

Intel Core i7-4790K
Intel Socket 1150DESKTOP
4000 MHz / Cores: 4 / May 2014
Intel Core i7-4790K

Summary

Synthetic performance index

  • Intel Core i5-7640X
    100%
  • Intel Core i7-4790K
    106%

Relative performance

Single thread performance index

  • Intel Core i5-7640X
    110%
  • Intel Core i7-4790K
    100%

Relative performance

Multi thread performance index

  • Intel Core i5-7640X
    100%
  • Intel Core i7-4790K
    122%

Relative performance

Reasons to consider Intel Core i5-7640X

10% higher single threaded performance.
This is a newer product, it might have better application compatibility/performance (check features chart below).

Reasons to consider Intel Core i7-4790K

Much higher multi threaded performance (around 22% 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.

No winner

Gaming

No clear winner declared


Intel Core i7-4790K

Productivity

HWBench recommends Intel Core i7-4790K

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



Specifications

Features

Intel Core i5-7640XIntel Core i7-4790K
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 i7-4790K
ArchitectureIntel_KabylakevsIntel_Haswell
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR3
CodenameKaby Lake-XvsHaswell
Release DateJun 2017vsMay 2014

Cores

Intel Core i5-7640XIntel Core i7-4790K
Cores4vs4
Threads4vs8
SMPs1vs1
Integrated GraphicsNovsIntel HD 4600

Cache

Intel Core i5-7640XIntel Core i7-4790K
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 i7-4790K
SocketIntel Socket 2066vsIntel Socket 1150
Max Case Temp72°Cvs72°C
PackageFC-LGA2066vs
Die Size308mm²vs177mm²
Process14 nmvs22 nm

Performance

Intel Core i5-7640XIntel Core i7-4790K
Cpu Frequency3900 MHzvs4000 MHz
Turbo Clock Speed4300 MHzvs4400 MHz
Base Clock100 MHzvs100 MHz
Voltageunknownvsunknown
TDP112 Wvs88 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i5-7640X
    5160 points
  • Intel Core i7-4790K
    4928 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i5-7640X
    18720 points
  • Intel Core i7-4790K
    21504 points

Points - higher is better


Synthetic benchmarks

Cinebench R15 CPU Single 64Bit

  • Intel Core i5-7640X (simulated)
    192.96
  • Intel Core i7-4790K
    174

points - higher is better

Cinebench R15 CPU Multi 64Bit

  • Intel Core i5-7640X (simulated)
    691.74
  • Intel Core i7-4790K
    846

points - higher is better