Intel Core i7-7800X vs Intel Core i7-7700K

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

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

Summary

Synthetic performance index

  • Intel Core i7-7800X
    115%
  • Intel Core i7-7700K
    100%

Relative performance

Single thread performance index

  • Intel Core i7-7800X
    100%
  • Intel Core i7-7700K
    105%

Relative performance

Multi thread performance index

  • Intel Core i7-7800X
    137%
  • Intel Core i7-7700K
    100%

Relative performance

Reasons to consider Intel Core i7-7800X

Much higher multi threaded performance (around 37% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.

Reasons to consider Intel Core i7-7700K

5% higher single threaded performance.
45 watts lower power draw.
Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the Intel Core i7-7800X.

No winner

Gaming

No clear winner declared


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 i7-7700K
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 i7-7800X Intel Core i7-7700K
Architecture Intel_Kabylake vs Intel_Kabylake
Market Desktop vs Desktop
Memory Support DDR4 vs DDR4
Codename Skylake-X vs Kaby Lake
Release Date Jun 2017 vs Sep 2016

Cores

Intel Core i7-7800X Intel Core i7-7700K
Cores 6 vs 4
Threads 12 vs 8
SMPs 1 vs 1
Integrated Graphics No vs HD Graphics

Cache

Intel Core i7-7800X 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 8448 KB (shared) vs 8192 KB (shared)

Physical

Intel Core i7-7800X 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 308 mm² vs 0 mm²
Process 14 nm vs 14 nm

Performance

Intel Core i7-7800X Intel Core i7-7700K
Cpu Frequency 3500 MHz vs 4200 MHz
Turbo Clock Speed 4000 MHz vs 4500 MHz
Base Clock 100 MHz vs 100 MHz
Voltage unknown vs unknown
TDP 140 W vs 95 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i7-7800X
    4800 points
  • Intel Core i7-7700K
    5400 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i7-7800X
    30240 points
  • Intel Core i7-7700K
    24192 points

Points - higher is better


Synthetic benchmarks

Cinebench R15 CPU Multi 64Bit

  • Intel Core i7-7800X
    1333
  • Intel Core i7-7700K
    972

points - higher is better

Cinebench R15 CPU Single 64Bit

  • Intel Core i7-7800X
    185
  • Intel Core i7-7700K
    196

points - higher is better