Intel Core i7 6700K vs Intel Core i5 7640X

VS

Intel Core i7 6700K

Intel Core i5 7640X

We compared two desktop CPUs: Intel Core i7 6700K with 4 cores 4.0GHz and Intel Core i5 7640X 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 i7 6700K 's Advantages

Integrated graphics card

Larger L3 cache size (8MB vs 6MB)

Lower TDP (91W vs 112W)

Intel Core i5 7640X 's Advantages

Released 1 years and 9 months late

Higher specification of memory (2666 vs 2133)

Larger memory bandwidth (42.7GB/s vs 34.1GB/s)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i7 6700K +6%

1512

Intel Core i5 7640X

1419

Geekbench 6 Multi Core

Intel Core i7 6700K +36%

5068

Intel Core i5 7640X

3726

Geekbench 5 Single Core

Intel Core i7 6700K

1087

Intel Core i5 7640X +13%

1237

Geekbench 5 Multi Core

Intel Core i7 6700K

4271

Intel Core i5 7640X

4230

Passmark CPU Single Core

Intel Core i7 6700K

2503

Intel Core i5 7640X

2505

Passmark CPU Multi Core

Intel Core i7 6700K +32%

8928

Intel Core i5 7640X

6735

Intel Core i7 6700K

VS

Intel Core i5 7640X

General Parameters

Aug 2015

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Kaby Lake

i7-6700K

Processor Number

i5-7640X

LGA-1151

Socket

LGA-2066

HD Graphics 530

Integrated Graphics

N/A

Package

1.75 billions

Transistor Count

-

14 nm

Manufacturing Process

14 nm

91 W

Power Consumption

112 W

-

Peak Operating Temperature

100 °C

CPU Performance

4

Performance Cores

4

8

Performance Core Threads

4

4.0 GHz

Performance Core Base Frequency

4.0 GHz

4.2 GHz

Performance Core Turbo Frequency

4.2 GHz

4

Total Core Count

4

8

Total Thread Count

4

100 MHz

Bus Frequency

-

40

Multiplier

39x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

8 MB shared

L3 Cache

6 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2133,DDR3L-1600

Memory Types

DDR4-2666

64 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

34.1 GB/s

Max Memory Bandwidth

42.7 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

1150 MHz

GPU Max Dynamic Frequency

-

Miscellaneous

Intel Core i7 6700K

Official Website

Intel Core i5 7640X

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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