Intel Core i9 7980XE vs Intel Core i9 9900KF

VS

Intel Core i9 7980XE Intel Core i9 9900KF

We compared two desktop CPUs: Intel Core i9 7980XE with 18 cores 2.6GHz and Intel Core i9 9900KF with 8 cores 3.6GHz . 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 memory bandwidth (79.47GB/s vs 41.6GB/s)

Larger L3 cache size (25MB vs 16MB)

Intel Core i9 9900KF 's Advantages

Released 1 years and 4 months late

Higher base frequency (3.6GHz vs 2.6GHz)

Lower TDP (95W vs 165W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 7980XE

1263

Intel Core i9 9900KF

1260

Cinebench R23 Multi Core

Intel Core i9 7980XE +43%

18030

Intel Core i9 9900KF

12606

Geekbench 6 Single Core

Intel Core i9 7980XE

1410

Intel Core i9 9900KF +14%

1612

Geekbench 6 Multi Core

Intel Core i9 7980XE +49%

11418

Intel Core i9 9900KF

7648

Blender

Intel Core i9 7980XE +62%

305

Intel Core i9 9900KF

188

Geekbench 5 Single Core

Intel Core i9 7980XE

1117

Intel Core i9 9900KF +16%

1300

Geekbench 5 Multi Core

Intel Core i9 7980XE +66%

14735

Intel Core i9 9900KF

8856

Passmark CPU Single Core

Intel Core i9 7980XE

2492

Intel Core i9 9900KF +18%

2945

Passmark CPU Multi Core

Intel Core i9 7980XE +64%

30462

Intel Core i9 9900KF

18462

Intel Core i9 7980XE

VS

Intel Core i9 9900KF

General Parameters

Sep 2017

Release Date

Jan 2019

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Coffee Lake

i9-7980XE

Processor Number

i9-9900KF

LGA-2066

Socket

LGA-1151

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-2066

Socket

LGA-1151

165 W

Power Consumption

95 W

94 °C

Peak Operating Temperature

100 °C

CPU Performance

18

Performance Cores

8

36

Performance Core Threads

16

2.6 GHz

Performance Core Base Frequency

3.6 GHz

4.2 GHz

Performance Core Turbo Frequency

5 GHz

18

Total Core Count

8

36

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

26x

Multiplier

36x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

25 MB shared

L3 Cache

16 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

2

79.47 GB/s

Max Memory Bandwidth

41.6 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i9 7980XE

Official Website

Intel Core i9 9900KF

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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