Intel Core i5 7640X vs Intel Core i5 8600K

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Intel Core i5 7640X

Intel Core i5 8600K

We compared two desktop CPUs: Intel Core i5 7640X with 4 cores 4.0GHz and Intel Core i5 8600K with 6 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 7640X 's Advantages

Larger memory bandwidth (42.7GB/s vs 41.6GB/s)

Higher base frequency (4.0GHz vs 3.6GHz)

Intel Core i5 8600K 's Advantages

Integrated graphics card

Larger L3 cache size (9MB vs 6MB)

Lower TDP (95W vs 112W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i5 7640X

1419

Intel Core i5 8600K +16%

1649

Geekbench 6 Multi Core

Intel Core i5 7640X

3726

Intel Core i5 8600K +62%

6050

Geekbench 5 Single Core

Intel Core i5 7640X +6%

1237

Intel Core i5 8600K

1163

Geekbench 5 Multi Core

Intel Core i5 7640X

4230

Intel Core i5 8600K +26%

5367

Passmark CPU Single Core

Intel Core i5 7640X

2505

Intel Core i5 8600K +3%

2603

Passmark CPU Multi Core

Intel Core i5 7640X

6735

Intel Core i5 8600K +51%

10201

Intel Core i5 7640X

VS

Intel Core i5 8600K

General Parameters

May 2017

Release Date

Oct 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Kaby Lake

Core Architecture

Coffee Lake

i5-7640X

Processor Number

i5-8600K

LGA-2066

Socket

LGA-1151

N/A

Integrated Graphics

UHD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

112 W

Power Consumption

95 W

100 °C

Peak Operating Temperature

100 °C

CPU Performance

4

Performance Cores

6

4

Performance Core Threads

6

4.0 GHz

Performance Core Base Frequency

3.6 GHz

4.2 GHz

Performance Core Turbo Frequency

4.3 GHz

4

Total Core Count

6

4

Total Thread Count

6

-

Bus Frequency

100 MHz

39x

Multiplier

36x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

6 MB shared

L3 Cache

9 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2666

64 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

42.7 GB/s

Max Memory Bandwidth

41.6 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

350 MHz

-

GPU Max Dynamic Frequency

1150 MHz

-

Shader Units

192

-

Texture Units

24

-

Raster Operation Units

3

-

Execution Units

24

-

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

-

Graphics Performance

0.38 TFLOPS

Miscellaneous

Intel Core i5 7640X

Official Website

Intel Core i5 8600K

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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