Intel Core i9 7920X vs Intel Core i9 10940X

VS

Intel Core i9 7920X

Intel Core i9 10940X

We compared two desktop CPUs: Intel Core i9 7920X with 12 cores 2.9GHz and Intel Core i9 10940X with 14 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 7920X 's Advantages

Lower TDP (140W vs 165W)

Intel Core i9 10940X '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 (3.3GHz vs 2.9GHz)

Larger L3 cache size (20MB vs 17MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 7920X

1053

Intel Core i9 10940X +39%

1471

Geekbench 6 Multi Core

Intel Core i9 7920X

4327

Intel Core i9 10940X +160%

11287

Geekbench 5 Single Core

Intel Core i9 7920X

1137

Intel Core i9 10940X

1144

Geekbench 5 Multi Core

Intel Core i9 7920X

11828

Intel Core i9 10940X +14%

13573

Passmark CPU Single Core

Intel Core i9 7920X

2488

Intel Core i9 10940X +7%

2686

Passmark CPU Multi Core

Intel Core i9 7920X

23468

Intel Core i9 10940X +18%

27907

Intel Core i9 7920X

VS

Intel Core i9 10940X

General Parameters

Aug 2017

Release Date

Oct 2019

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Cascade Lake

i9-7920X

Processor Number

i9-10940X

LGA-2066

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

140 W

Power Consumption

165 W

95 °C

Peak Operating Temperature

86 °C

CPU Performance

12

Performance Cores

14

24

Performance Core Threads

28

2.9 GHz

Performance Core Base Frequency

3.3 GHz

4.3 GHz

Performance Core Turbo Frequency

4.6 GHz

12

Total Core Count

14

24

Total Thread Count

28

100 MHz

Bus Frequency

100 MHz

29x

Multiplier

33x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

17 MB shared

L3 Cache

20 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2933

128 GB

Max Memory Size

256 GB

4

Max Memory Channels

4

85 GB/s

Max Memory Bandwidth

93.8 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i9 7920X

Official Website

Intel Core i9 10940X

3.0

PCIe Version

3.0

44

PCIe Lanes

48

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

Extended Instruction Set

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

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