Intel Core i9 9900KS vs Intel Core i9 7920X

VS

Intel Core i9 9900KS Intel Core i9 7920X

We compared two desktop CPUs: Intel Core i9 9900KS with 8 cores 4.0GHz 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 9900KS 's Advantages

Released 2 years and 2 months late

Integrated graphics card

Higher base frequency (4.0GHz vs 2.9GHz)

Lower TDP (127W vs 140W)

Intel Core i9 7920X 's Advantages

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

Larger L3 cache size (17MB vs 16MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 9900KS +59%

1678

Intel Core i9 7920X

1053

Geekbench 6 Multi Core

Intel Core i9 9900KS +102%

8751

Intel Core i9 7920X

4327

Geekbench 5 Single Core

Intel Core i9 9900KS +22%

1391

Intel Core i9 7920X

1137

Geekbench 5 Multi Core

Intel Core i9 9900KS

9636

Intel Core i9 7920X +22%

11828

Passmark CPU Single Core

Intel Core i9 9900KS +21%

3029

Intel Core i9 7920X

2488

Passmark CPU Multi Core

Intel Core i9 9900KS

19417

Intel Core i9 7920X +20%

23468

Intel Core i9 9900KS

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

Coffee Lake

Core Architecture

Skylake

i9-9900KS

Processor Number

i9-7920X

LGA-1151

Socket

LGA-2066

UHD Graphics 630

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-1151

Socket

LGA-2066

127 W

Power Consumption

140 W

100 °C

Peak Operating Temperature

95 °C

CPU Performance

8

Performance Cores

12

16

Performance Core Threads

24

4.0 GHz

Performance Core Base Frequency

2.9 GHz

5 GHz

Performance Core Turbo Frequency

4.3 GHz

8

Total Core Count

12

16

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

40x

Multiplier

29x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

17 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

41.6 GB/s

Max Memory Bandwidth

85 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

350 MHz

GPU Base Frequency

-

1200 MHz

GPU Max Dynamic Frequency

-

192

Shader Units

-

24

Texture Units

-

3

Raster Operation Units

-

24

Execution Units

-

15 W

Power Consumption

-

4096x2304 - 60 Hz

Max Resolution

-

0.38 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i9 9900KS

Official Website

Intel Core i9 7920X

3.0

PCIe Version

3.0

16

PCIe Lanes

44

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

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

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