Intel Core i7-7800X vs Intel Core i7-7740X

Intel Core i7-7800X
Intel Socket 2066DESKTOP
3500 MHz / Cores: 6 / Jun 2017
Intel Core i7-7800X

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

Summary

Reasons to consider Intel Core i7-7800X

Higher theoretical multi-threaded performance, based on specifications plus core architecture.

Reasons to consider Intel Core i7-7740X

Higher theoretical single-threaded performance, based on raw specifications plus core architecture.

Intel Core i7-7800X

Gaming

HWBench recommends Intel Core i7-7800X

Based on game and synthetic benchmarks, and theoretical specifications.

Intel Core i7-7800X

Productivity

HWBench recommends Intel Core i7-7800X

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



Specifications

Features

Intel Core i7-7800XIntel Core i7-7740X
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 i7-7800XIntel Core i7-7740X
ArchitectureIntel_KabylakevsIntel_Kabylake
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR4
CodenameSkylake-XvsKaby Lake-X
Release DateJun 2017vsJun 2017

Cores

Intel Core i7-7800XIntel Core i7-7740X
Cores6vs4
Threads12vs8
SMPs1vs1
Integrated GraphicsNovsNo

Cache

Intel Core i7-7800XIntel Core i7-7740X
L1 Cache64 KB (per core)vs64 KB (per core)
L2 Cache256 KB (per core)vs256 KB (per core)
L3 Cache8448 KB (shared)vs8192 KB (shared)

Physical

Intel Core i7-7800XIntel Core i7-7740X
SocketIntel Socket 2066vsIntel Socket 2066
Max Case Temp72°Cvs72°C
PackageFC-LGA2066vsFC-LGA2066
Die Size308 mm²vs308 mm²
Process14 nmvs14 nm

Performance

Intel Core i7-7800XIntel Core i7-7740X
Cpu Frequency3500 MHzvs4300 MHz
Turbo Clock Speed4000 MHzvs4600 MHz
Base Clock100 MHzvs100 MHz
Voltageunknownvsunknown
TDP140 Wvs112 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i7-7800X
    4800 points
  • Intel Core i7-7740X
    5520 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i7-7800X
    30240 points
  • Intel Core i7-7740X
    24768 points

Points - higher is better