Intel Core i7-7740X vs Intel Core i7-7700K

Intel Core i7-7740X
Intel Socket 2066DESKTOP
4300 MHz / Cores: 4 / Jun 2017
Intel Core i7-7740X

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

Summary

Synthetic performance index

  • Intel Core i7-7740X
    108%
  • Intel Core i7-7700K
    100%

Relative performance

Single thread performance index

  • Intel Core i7-7740X
    109%
  • Intel Core i7-7700K
    100%

Relative performance

Multi thread performance index

  • Intel Core i7-7740X
    107%
  • Intel Core i7-7700K
    100%

Relative performance

Reasons to consider Intel Core i7-7740X

9% higher single threaded performance.
7% higher multi threaded performance.
Around 8% higher average synthetic performance.

Reasons to consider Intel Core i7-7700K

Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the Intel Core i7-7740X.

Intel Core i7-7740X

Gaming

HWBench recommends Intel Core i7-7740X

Based on game and synthetic benchmarks, and theoretical specifications.

No winner

Productivity

No clear winner declared




Specifications

Features

Intel Core i7-7740XIntel Core i7-7700K
MMX
SSE
SSE2
SSE3
SSSE3
SSE4.2
AVX
AVX2
EIST
Intel 64
XD bit
VT-x
VT-d
HTT
AES-NI
TSX
TXT
CLMUL
FMA3
F16C
BMI1
BMI2
Boost 2.0

Architecture

Intel Core i7-7740XIntel Core i7-7700K
ArchitectureIntel_KabylakevsIntel_Kabylake
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR4
CodenameKaby Lake-XvsKaby Lake
Release DateJun 2017vsSep 2016

Cores

Intel Core i7-7740XIntel Core i7-7700K
Cores4vs4
Threads8vs8
SMPs1vs1
Integrated GraphicsNovsIntel HD Graphics 630

Cache

Intel Core i7-7740XIntel Core i7-7700K
L1 Cache64 KB (per core)vs64 KB (per core)
L2 Cache256 KB (per core)vs256 KB (per core)
L3 Cache8192 KB (shared)vs8192 KB (shared)

Physical

Intel Core i7-7740XIntel Core i7-7700K
SocketIntel Socket 2066vsIntel Socket 1151
Max Case Temp72°Cvs72°C
PackageFC-LGA2066vs
Die Size308mm²vsunknown
Process14 nmvs14 nm

Performance

Intel Core i7-7740XIntel Core i7-7700K
Cpu Frequency4300 MHzvs4200 MHz
Turbo Clock Speed4600 MHzvs4500 MHz
Base Clock100 MHzvs100 MHz
Voltageunknownvsunknown
TDP112 Wvs95 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i7-7740X
    5520 points
  • Intel Core i7-7700K
    5400 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i7-7740X
    24768 points
  • Intel Core i7-7700K
    24192 points

Points - higher is better


Synthetic benchmarks

Cinebench R15 CPU Single 64Bit

  • Intel Core i7-7740X (simulated)
    214.67
  • Intel Core i7-7700K
    196

points - higher is better

Cinebench R15 CPU Multi 64Bit

  • Intel Core i7-7740X (simulated)
    1047.53
  • Intel Core i7-7700K
    972

points - higher is better