Intel Core i7 7700K vs Intel Core i5 7640X

VS

Intel Core i7 7700K

Intel Core i5 7640X

We compared two desktop CPUs: Intel Core i7 7700K with 4 cores 4.2GHz 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 7700K 's Advantages

Integrated graphics card

Higher base frequency (4.2GHz vs 4.0GHz)

Larger L3 cache size (8MB vs 6MB)

Lower TDP (91W vs 112W)

Intel Core i5 7640X 's Advantages

Higher specification of memory (2666 vs 2400)

Larger memory bandwidth (42.7GB/s vs 35.76GB/s)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i7 7700K +9%

1557

Intel Core i5 7640X

1419

Geekbench 6 Multi Core

Intel Core i7 7700K +41%

5260

Intel Core i5 7640X

3726

Geekbench 5 Single Core

Intel Core i7 7700K

1129

Intel Core i5 7640X +9%

1237

Geekbench 5 Multi Core

Intel Core i7 7700K +11%

4705

Intel Core i5 7640X

4230

Passmark CPU Single Core

Intel Core i7 7700K +8%

2712

Intel Core i5 7640X

2505

Passmark CPU Multi Core

Intel Core i7 7700K +42%

9594

Intel Core i5 7640X

6735

Intel Core i7 7700K

VS

Intel Core i5 7640X

General Parameters

Jan 2017

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Kaby Lake

Core Architecture

Kaby Lake

i7-7700K

Processor Number

i5-7640X

LGA-1151

Socket

LGA-2066

HD Graphics 630

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

91 W

Power Consumption

112 W

100 °C

Peak Operating Temperature

100 °C

CPU Performance

4

Performance Cores

4

8

Performance Core Threads

4

4.2 GHz

Performance Core Base Frequency

4.0 GHz

4.5 GHz

Performance Core Turbo Frequency

4.2 GHz

4

Total Core Count

4

8

Total Thread Count

4

42 MHz

Bus Frequency

-

100x

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

DDR4-2400, DDR3L-1600

Memory Types

DDR4-2666

64 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

35.76 GB/s

Max Memory Bandwidth

42.7 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

350 MHz

GPU Base Frequency

-

1150 MHz

GPU Max Dynamic Frequency

-

192

Shader Units

-

24

Texture Units

-

3

Raster Operation Units

-

24

Execution Units

-

15 W

Power Consumption

-

4096x2304 - 60 Hz

Max Resolution

-

0.44 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i7 7700K

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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