Intel Core i9 7920X vs Intel Core i9 9900K

VS

Intel Core i9 7920X

Intel Core i9 9900K

We compared two desktop CPUs: Intel Core i9 7920X with 12 cores 2.9GHz and Intel Core i9 9900K 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 7920X 's Advantages

Larger memory bandwidth (85GB/s vs 41.6GB/s)

Larger L3 cache size (17MB vs 16MB)

Intel Core i9 9900K 's Advantages

Released 1 years and 2 months late

Integrated graphics card

Higher base frequency (3.6GHz vs 2.9GHz)

Lower TDP (95W vs 140W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 7920X

1053

Intel Core i9 9900K +58%

1665

Geekbench 6 Multi Core

Intel Core i9 7920X

4327

Intel Core i9 9900K +47%

6395

Geekbench 5 Single Core

Intel Core i9 7920X

1137

Intel Core i9 9900K +11%

1265

Geekbench 5 Multi Core

Intel Core i9 7920X +40%

11828

Intel Core i9 9900K

8406

Passmark CPU Single Core

Intel Core i9 7920X

2488

Intel Core i9 9900K +18%

2945

Passmark CPU Multi Core

Intel Core i9 7920X +27%

23468

Intel Core i9 9900K

18381

Intel Core i9 7920X

VS

Intel Core i9 9900K

General Parameters

Aug 2017

Release Date

Oct 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Coffee Lake

i9-7920X

Processor Number

i9-9900K

LGA-2066

Socket

LGA-1151

N/A

Integrated Graphics

UHD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

140 W

Power Consumption

95 W

95 °C

Peak Operating Temperature

100 °C

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

2.9 GHz

Performance Core Base Frequency

3.6 GHz

4.3 GHz

Performance Core Turbo Frequency

5 GHz

12

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

29x

Multiplier

36x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

17 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

85 GB/s

Max Memory Bandwidth

41.6 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

350 MHz

-

GPU Max Dynamic Frequency

1200 MHz

-

Shader Units

192

-

Texture Units

24

-

Raster Operation Units

3

-

Execution Units

24

-

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

-

Graphics Performance

0.38 TFLOPS

Miscellaneous

Intel Core i9 7920X

Official Website

Intel Core i9 9900K

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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