Intel Core i9 7980XE vs Intel Core i9 9940X

VS

Intel Core i9 7980XE

Intel Core i9 9940X

We compared two desktop CPUs: Intel Core i9 7980XE with 18 cores 2.6GHz and Intel Core i9 9940X 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 7980XE 's Advantages

Larger L3 cache size (25MB vs 20MB)

Intel Core i9 9940X 's Advantages

Released 1 years and 1 months late

Larger memory bandwidth (85GB/s vs 79.47GB/s)

Higher base frequency (3.3GHz vs 2.6GHz)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 7980XE +2%

1263

Intel Core i9 9940X

1228

Cinebench R23 Multi Core

Intel Core i9 7980XE +83%

28196

Intel Core i9 9940X

15351

Geekbench 6 Single Core

Intel Core i9 7980XE +6%

1410

Intel Core i9 9940X

1328

Geekbench 6 Multi Core

Intel Core i9 7980XE +16%

11418

Intel Core i9 9940X

9787

Geekbench 5 Single Core

Intel Core i9 7980XE

1117

Intel Core i9 9940X +6%

1189

Geekbench 5 Multi Core

Intel Core i9 7980XE +2%

14735

Intel Core i9 9940X

14374

Passmark CPU Single Core

Intel Core i9 7980XE

2492

Intel Core i9 9940X +4%

2608

Passmark CPU Multi Core

Intel Core i9 7980XE +7%

30462

Intel Core i9 9940X

28355

Intel Core i9 7980XE

VS

Intel Core i9 9940X

General Parameters

Sep 2017

Release Date

Oct 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Skylake

i9-7980XE

Processor Number

i9-9940X

LGA-2066

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

165 W

Power Consumption

165 W

94 °C

Peak Operating Temperature

88 °C

CPU Performance

18

Performance Cores

14

36

Performance Core Threads

28

2.6 GHz

Performance Core Base Frequency

3.3 GHz

4.2 GHz

Performance Core Turbo Frequency

4.4 GHz

18

Total Core Count

14

36

Total Thread Count

28

100 MHz

Bus Frequency

100 MHz

26x

Multiplier

33x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

25 MB shared

L3 Cache

20 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

79.47 GB/s

Max Memory Bandwidth

85 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i9 7980XE

Official Website

Intel Core i9 9940X

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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