Intel Core i5 8600K vs Intel Core i7 6700K

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We compared two desktop CPUs: Intel Core i5 8600K with 6 cores 3.6GHz and Intel Core i7 6700K with 4 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 8600K 's Advantages

Released 2 years and 2 months late

Higher specification of memory (DDR4-2666 vs DDR4-2133)

Larger memory bandwidth (41.6GB/s vs 34.1GB/s)

Larger L3 cache size (9MB vs 8MB)

Intel Core i7 6700K 's Advantages

Higher base frequency (4.0GHz vs 3.6GHz)

Lower TDP (91W vs 95W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 8600K +6%

1213

Intel Core i7 6700K

1136

Cinebench R23 Multi Core

Intel Core i5 8600K +17%

6632

Intel Core i7 6700K

5661

Geekbench 6 Single Core

Intel Core i5 8600K +6%

1649

Intel Core i7 6700K

1544

Geekbench 6 Multi Core

Intel Core i5 8600K +14%

6050

Intel Core i7 6700K

5265

Blender

Intel Core i5 8600K +9%

105

Intel Core i7 6700K

96

Geekbench 5 Single Core

Intel Core i5 8600K +6%

1163

Intel Core i7 6700K

1087

Geekbench 5 Multi Core

Intel Core i5 8600K +25%

5367

Intel Core i7 6700K

4271

Passmark CPU Single Core

Intel Core i5 8600K +3%

2603

Intel Core i7 6700K

2510

Passmark CPU Multi Core

Intel Core i5 8600K +14%

10201

Intel Core i7 6700K

8940

Intel Core i5 8600K

VS

Intel Core i7 6700K

General Parameters

Oct 2017

Release Date

Aug 2015

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Coffee Lake

Core Architecture

Skylake

i5-8600K

Processor Number

i7-6700K

LGA-1151

Socket

LGA-1151

UHD Graphics 630

Integrated Graphics

HD Graphics 530

Package

-

Transistor Count

1.75 billions

14 nm

Manufacturing Process

14 nm

LGA-1151

Socket

LGA-1151

95 W

Power Consumption

91 W

100 °C

Peak Operating Temperature

-

CPU Performance

6

Performance Cores

4

6

Performance Core Threads

8

3.6 GHz

Performance Core Base Frequency

4.0 GHz

4.3 GHz

Performance Core Turbo Frequency

4.2 GHz

6

Total Core Count

4

6

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

36x

Multiplier

40x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

9 MB shared

L3 Cache

8 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2133, DDR3L-1600

128 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

41.6 GB/s

Max Memory Bandwidth

34.1 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

350 MHz

GPU Base Frequency

-

1150 MHz

GPU Max Dynamic Frequency

1150 MHz

192

Shader Units

-

24

Texture Units

-

3

Raster Operation Units

-

24

Execution Units

-

15 W

Power Consumption

-

4096x2304 - 60 Hz

Max Resolution

-

0.38 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i5 8600K

Official Website

Intel Core i7 6700K

3.0

PCIe Version

3.0

16

PCIe Lanes

16

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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