Intel Core i9 9920X vs Intel Core i5 7640X

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We compared two desktop CPUs: Intel Core i9 9920X with 12 cores 3.5GHz 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 i9 9920X 's Advantages

Released 1 years and 5 months late

Larger memory bandwidth (85GB/s vs 42.7GB/s)

Larger L3 cache size (19MB vs 6MB)

Intel Core i5 7640X 's Advantages

Higher base frequency (4.0GHz vs 3.5GHz)

Lower TDP (112W vs 165W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 9920X

1389

Intel Core i5 7640X +2%

1419

Geekbench 6 Multi Core

Intel Core i9 9920X

3027

Intel Core i5 7640X +23%

3726

Geekbench 5 Single Core

Intel Core i9 9920X

1171

Intel Core i5 7640X +5%

1237

Geekbench 5 Multi Core

Intel Core i9 9920X +195%

12494

Intel Core i5 7640X

4230

Passmark CPU Single Core

Intel Core i9 9920X +4%

2608

Intel Core i5 7640X

2505

Passmark CPU Multi Core

Intel Core i9 9920X +272%

25060

Intel Core i5 7640X

6735

Intel Core i9 9920X

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Intel Core i5 7640X

General Parameters

Oct 2018

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Kaby Lake

i9-9920X

Processor Number

i5-7640X

LGA-2066

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-2066

Socket

LGA-2066

165 W

Power Consumption

112 W

92 °C

Peak Operating Temperature

100 °C

CPU Performance

12

Performance Cores

4

24

Performance Core Threads

4

3.5 GHz

Performance Core Base Frequency

4.0 GHz

4.4 GHz

Performance Core Turbo Frequency

4.2 GHz

12

Total Core Count

4

24

Total Thread Count

4

100 MHz

Bus Frequency

-

35x

Multiplier

39x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

19 MB shared

L3 Cache

6 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2666

128 GB

Max Memory Size

64 GB

4

Max Memory Channels

2

85 GB/s

Max Memory Bandwidth

42.7 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i9 9920X

Official Website

Intel Core i5 7640X

3.0

PCIe Version

3.0

44

PCIe Lanes

16

SSE4.1, SSE4.2, AVX-2, AVX-512

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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