Intel Core i9 10900X vs Intel Core i9 7920X

VS

Intel Core i9 10900X

Intel Core i9 7920X

We compared two desktop CPUs: Intel Core i9 10900X with 10 cores 3.7GHz and Intel Core i9 7920X with 12 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 10900X 's Advantages

Released 2 years and 2 months late

Higher specification of memory (2933 vs 2666)

Larger memory bandwidth (93.8GB/s vs 85GB/s)

Higher base frequency (3.7GHz vs 2.9GHz)

Larger L3 cache size (20MB vs 17MB)

Intel Core i9 7920X 's Advantages

Lower TDP (140W vs 165W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 10900X +48%

1566

Intel Core i9 7920X

1053

Geekbench 6 Multi Core

Intel Core i9 10900X +115%

9308

Intel Core i9 7920X

4327

Geekbench 5 Single Core

Intel Core i9 10900X

1133

Intel Core i9 7920X

1137

Geekbench 5 Multi Core

Intel Core i9 10900X

10786

Intel Core i9 7920X +9%

11828

Passmark CPU Single Core

Intel Core i9 10900X +7%

2664

Intel Core i9 7920X

2488

Passmark CPU Multi Core

Intel Core i9 10900X

22469

Intel Core i9 7920X +4%

23468

Intel Core i9 10900X

VS

Intel Core i9 7920X

General Parameters

Oct 2019

Release Date

Aug 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Cascade Lake

Core Architecture

Skylake

i9-10900X

Processor Number

i9-7920X

LGA-2066

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

165 W

Power Consumption

140 W

94 °C

Peak Operating Temperature

95 °C

CPU Performance

10

Performance Cores

12

20

Performance Core Threads

24

3.7 GHz

Performance Core Base Frequency

2.9 GHz

4.5 GHz

Performance Core Turbo Frequency

4.3 GHz

10

Total Core Count

12

20

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

37x

Multiplier

29x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

20 MB shared

L3 Cache

17 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2933

Memory Types

DDR4-2666

256 GB

Max Memory Size

128 GB

4

Max Memory Channels

4

93.8 GB/s

Max Memory Bandwidth

85 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i9 10900X

Official Website

Intel Core i9 7920X

3.0

PCIe Version

3.0

48

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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