Intel Core i7 10700KF vs Intel Core i5 7640X

VS

Intel Core i7 10700KF Intel Core i5 7640X

We compared two desktop CPUs: Intel Core i7 10700KF with 8 cores 3.8GHz 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 10700KF 's Advantages

Released 3 years late

Higher specification of memory (DDR4-2933 vs DDR4-2666)

Larger memory bandwidth (45.8GB/s vs 42.7GB/s)

Larger L3 cache size (16MB vs 6MB)

Intel Core i5 7640X 's Advantages

Higher base frequency (4.0GHz vs 3.8GHz)

Lower TDP (112W vs 125W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i7 10700KF +20%

1711

Intel Core i5 7640X

1419

Geekbench 6 Multi Core

Intel Core i7 10700KF +127%

8459

Intel Core i5 7640X

3726

Geekbench 5 Single Core

Intel Core i7 10700KF +8%

1338

Intel Core i5 7640X

1237

Geekbench 5 Multi Core

Intel Core i7 10700KF +103%

8628

Intel Core i5 7640X

4230

Passmark CPU Single Core

Intel Core i7 10700KF +21%

3040

Intel Core i5 7640X

2505

Passmark CPU Multi Core

Intel Core i7 10700KF +180%

18865

Intel Core i5 7640X

6735

Intel Core i7 10700KF

VS

Intel Core i5 7640X

General Parameters

May 2020

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Comet Lake

Core Architecture

Kaby Lake

i7-10700KF

Processor Number

i5-7640X

LGA-1200

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-1200

Socket

LGA-2066

125 W

Power Consumption

112 W

100 °C

Peak Operating Temperature

100 °C

CPU Performance

8

Performance Cores

4

16

Performance Core Threads

4

3.8 GHz

Performance Core Base Frequency

4.0 GHz

5.1 GHz

Performance Core Turbo Frequency

4.2 GHz

8

Total Core Count

4

16

Total Thread Count

4

100 MHz

Bus Frequency

-

38x

Multiplier

39x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

16 MB shared

L3 Cache

6 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2933

Memory Types

DDR4-2666

128 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

45.8 GB/s

Max Memory Bandwidth

42.7 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i7 10700KF

Official Website

Intel Core i5 7640X

3.0

PCIe Version

3.0

16

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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