Intel Core i9 7900X vs Intel Core i7 9700K

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We compared two desktop CPUs: Intel Core i9 7900X with 10 cores 3.3GHz and Intel Core i7 9700K 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 7900X 's Advantages

Larger memory bandwidth (79.47GB/s vs 41.6GB/s)

Larger L3 cache size (14MB vs 12MB)

Intel Core i7 9700K 's Advantages

Released 1 years and 5 months late

Integrated graphics card

Higher base frequency (3.6GHz vs 3.3GHz)

Lower TDP (95W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 7900X

1203

Intel Core i7 9700K +6%

1279

Cinebench R23 Multi Core

Intel Core i9 7900X +25%

11804

Intel Core i7 9700K

9406

Geekbench 6 Single Core

Intel Core i9 7900X

1323

Intel Core i7 9700K +19%

1575

Geekbench 6 Multi Core

Intel Core i9 7900X +27%

8536

Intel Core i7 9700K

6702

Geekbench 5 Single Core

Intel Core i9 7900X

1127

Intel Core i7 9700K +13%

1284

Geekbench 5 Multi Core

Intel Core i9 7900X +37%

10189

Intel Core i7 9700K

7419

Passmark CPU Single Core

Intel Core i9 7900X

2556

Intel Core i7 9700K +12%

2878

Passmark CPU Multi Core

Intel Core i9 7900X +45%

20991

Intel Core i7 9700K

14441

Intel Core i9 7900X

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Intel Core i7 9700K

General Parameters

May 2017

Release Date

Oct 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Coffee Lake

i9-7900X

Processor Number

i7-9700K

LGA-2066

Socket

LGA-1151

N/A

Integrated Graphics

UHD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

LGA-2066

Socket

LGA-1151

140 W

Power Consumption

95 W

95 °C

Peak Operating Temperature

100 °C

CPU Performance

10

Performance Cores

8

20

Performance Core Threads

8

3.3 GHz

Performance Core Base Frequency

3.6 GHz

4.3 GHz

Performance Core Turbo Frequency

4.9 GHz

10

Total Core Count

8

20

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

36x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

14 MB shared

L3 Cache

12 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

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 7900X

Official Website

Intel Core i7 9700K

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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