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

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

Intel Core i7-2600K
4200 MHz / Cores: 4 / Jan 2011
Intel Core i7-2600K Intel Socket 1155
Type: Desktop

Summary

Reasons to consider Intel Core i7-7700K

This is a newer product, it might have better application compatibility/performance (check features chart below).
Higher theoretical gaming performance, based on raw specifications plus core architecture.
Higher theoretical multi-threaded performance, based on specifications plus core architecture.
Higher overall performance, based on specifications plus core architecture.

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
    5670 points
  • Intel Core i7-2600K
    3800 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i7-7700K
    25401 points
  • Intel Core i7-2600K
    16320 points

Points - higher is better