Intel Core i7 8700K vs Intel Core i9 7920X

VS

We compared two desktop CPUs: Intel Core i7 8700K with 6 cores 3.7GHz 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 i7 8700K's Advantages

Integrated graphics card

Higher base frequency (3.7GHz vs 2.9GHz)

Lower TDP (95W vs 140W)

Intel Core i9 7920X's Advantages

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

Larger L3 cache size (17MB vs 12MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i7 8700K +40%

1475

Intel Core i9 7920X

1053

Geekbench 6 Multi Core

Intel Core i7 8700K +46%

6339

Intel Core i9 7920X

4327

Geekbench 5 Single Core

Intel Core i7 8700K +8%

1233

Intel Core i9 7920X

1137

Geekbench 5 Multi Core

Intel Core i7 8700K

6632

Intel Core i9 7920X +78%

11828

Passmark CPU Single Core

Intel Core i7 8700K +10%

2748

Intel Core i9 7920X

2488

Passmark CPU Multi Core

Intel Core i7 8700K

13661

Intel Core i9 7920X +71%

23468

Intel Core i7 8700K

VS

Intel Core i9 7920X

General Parameters

Oct 2017

Release Date

Aug 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Coffee Lake

Core Architecture

Skylake

i7-8700K

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

95 W

Power Consumption

140 W

100 °C

Peak Operating Temperature

95 °C

CPU Performance

6

Performance Cores

12

Performance Core Threads

24

3.7 GHz

Performance Core Base Frequency

2.9 GHz

4.7 GHz

Performance Core Turbo Frequency

4.3 GHz

6

Total Core Count

12

Total Thread Count

24

100MHz

Bus Frequency

100MHz

37x

Multiplier

29x

64K per core

L1 Cache

64K per core

256K per core

L2 Cache

1MB per core

12MB shared

L3 Cache

17MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2666

128GB

Max Memory Size

128GB

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 i7 8700K

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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