Intel Core i9 9920X vs Intel Core i9 7900X

VS

Intel Core i9 9920X

Intel Core i9 7900X

We compared two desktop CPUs: Intel Core i9 9920X with 12 cores 3.5GHz and Intel Core i9 7900X with 10 cores 3.3GHz . 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 79.47GB/s)

Higher base frequency (3.5GHz vs 3.3GHz)

Larger L3 cache size (19MB vs 14MB)

Intel Core i9 7900X 's Advantages

Lower TDP (140W vs 165W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 9920X

1067

Intel Core i9 7900X +12%

1203

Cinebench R23 Multi Core

Intel Core i9 9920X

14793

Intel Core i9 7900X +1%

14998

Geekbench 6 Single Core

Intel Core i9 9920X +4%

1389

Intel Core i9 7900X

1323

Geekbench 6 Multi Core

Intel Core i9 9920X

3027

Intel Core i9 7900X +181%

8536

Geekbench 5 Single Core

Intel Core i9 9920X +3%

1171

Intel Core i9 7900X

1127

Geekbench 5 Multi Core

Intel Core i9 9920X +22%

12494

Intel Core i9 7900X

10189

Passmark CPU Single Core

Intel Core i9 9920X +2%

2608

Intel Core i9 7900X

2556

Passmark CPU Multi Core

Intel Core i9 9920X +19%

25060

Intel Core i9 7900X

20991

Intel Core i9 9920X

VS

Intel Core i9 7900X

General Parameters

Oct 2018

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Skylake

i9-9920X

Processor Number

i9-7900X

LGA-2066

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

165 W

Power Consumption

140 W

92 °C

Peak Operating Temperature

95 °C

CPU Performance

12

Performance Cores

10

24

Performance Core Threads

20

3.5 GHz

Performance Core Base Frequency

3.3 GHz

4.4 GHz

Performance Core Turbo Frequency

4.3 GHz

12

Total Core Count

10

24

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

33x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

19 MB shared

L3 Cache

14 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

4

85 GB/s

Max Memory Bandwidth

79.47 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i9 9920X

Official Website

Intel Core i9 7900X

3.0

PCIe Version

3.0

44

PCIe Lanes

44

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

Extended Instruction Set

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

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