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

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

Intel Core i7-7740X
Intel Socket 2066 DESKTOP
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

Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the Intel Core i7-7800X.
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 i7-7800X Intel 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 i7-7800X Intel Core i7-7740X
Architecture Intel_Kabylake vs Intel_Kabylake
Market Desktop vs Desktop
Memory Support DDR4 vs DDR4
Codename Skylake-X vs Kaby Lake-X
Release Date Jun 2017 vs Jun 2017

Cores

Intel Core i7-7800X Intel Core i7-7740X
Cores 6 vs 4
Threads 12 vs 8
SMPs 1 vs 1
Integrated Graphics No vs HD 630

Cache

Intel Core i7-7800X Intel Core i7-7740X
L1 Cache 64 KB (per core) vs 64 KB (per core)
L2 Cache 256 KB (per core) vs 256 KB (per core)
L3 Cache 8448 KB (shared) vs 8192 KB (shared)

Physical

Intel Core i7-7800X Intel Core i7-7740X
Socket Intel Socket 2066 vs Intel Socket 2066
Max Case Temp 72°C vs 72°C
Package FC-LGA2066 vs FC-LGA2066
Die Size 0 mm² vs 0 mm²
Process 14 nm vs 14 nm

Performance

Intel Core i7-7800X Intel Core i7-7740X
Cpu Frequency 3500 MHz vs 4300 MHz
Turbo Clock Speed 4000 MHz vs 4600 MHz
Base Clock 100 MHz vs 100 MHz
Voltage unknown vs unknown
TDP 140 W vs 112 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