Intel Core i7-7700K vs Intel Core i7-2600K

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

Intel Core i7-2600K
Intel Socket 1155 DESKTOP
3400 MHz / Cores: 4 / Jan 2011
Intel Core i7-2600K

Summary

Synthetic performance index

  • Intel Core i7-7700K
    143%
  • Intel Core i7-2600K
    100%

Relative performance

Single thread performance index

  • Intel Core i7-7700K
    140%
  • Intel Core i7-2600K
    100%

Relative performance

Multi thread performance index

  • Intel Core i7-7700K
    145%
  • Intel Core i7-2600K
    100%

Relative performance

Reasons to consider Intel Core i7-7700K

Much higher single threaded performance (around 40% higher), makes a noticeable performance difference in gaming and the majority of applications.
Much higher multi threaded performance (around 45% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
This is a newer product, it might have better application compatibility/performance (check features chart below).
Around 43% higher average synthetic performance.

Reasons to consider Intel Core i7-2600K

None

Intel Core i7-7700K

Gaming

HWBench recommends Intel Core i7-7700K

Based on game and synthetic benchmarks, and theoretical specifications.

Intel Core i7-7700K

Productivity

HWBench recommends Intel Core i7-7700K

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

Specifications

Features

Intel Core i7-7700K Intel Core i7-2600K
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
Hyper-Threading

Architecture

Intel Core i7-7700K Intel Core i7-2600K
Architecture Intel_Kabylake vs Intel_SandyBridge
Market Desktop vs Desktop
Memory Support DDR4 vs DDR3
Codename Kaby Lake vs Sandy Bridge
Release Date Sep 2016 vs Jan 2011

Cores

Intel Core i7-7700K Intel Core i7-2600K
Cores 4 vs 4
Threads 8 vs 8
SMPs 1 vs 1
Integrated Graphics HD Graphics vs Intel HD 3000

Cache

Intel Core i7-7700K Intel Core i7-2600K
L1 Cache 64 KB (per core) vs 64 KB (per core)
L2 Cache 256 KB (per core) vs 256 KB (per core)
L3 Cache 8192 KB (shared) vs 8192 KB (shared)

Physical

Intel Core i7-7700K Intel Core i7-2600K
Socket Intel Socket 1151 vs Intel Socket 1155
Max Case Temp 72°C vs unknown
Package vs FC-LGA10
Die Size 0 mm² vs 216 mm²
Process 14 nm vs 32 nm

Performance

Intel Core i7-7700K Intel Core i7-2600K
Cpu Frequency 4200 MHz vs 3400 MHz
Turbo Clock Speed 4500 MHz vs 3800 MHz
Base Clock 100 MHz vs 100 MHz
Voltage unknown vs unknown
TDP 95 W vs 95 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i7-7700K
    5400 points
  • Intel Core i7-2600K
    3800 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i7-7700K
    24192 points
  • Intel Core i7-2600K
    16320 points

Points - higher is better


Synthetic benchmarks

Cinebench R15 CPU Single 64Bit

  • Intel Core i7-7700K
    194
  • Intel Core i7-2600K
    129

points - higher is better

Cinebench R15 CPU Multi 64Bit

  • Intel Core i7-7700K
    958
  • Intel Core i7-2600K
    613.5

points - higher is better

7-zip

  • Intel Core i7-7700K
    27343
  • Intel Core i7-2600K
    19925

MIPS - higher is better

3D Particle Movement (Single Threaded)

  • Intel Core i7-7700K
    150.72
  • Intel Core i7-2600K
    116.18

points - higher is better

3D Particle Movement (Multi Threaded)

  • Intel Core i7-7700K
    882.98
  • Intel Core i7-2600K
    618.82

points - higher is better