Intel Core i9 7920X vs Intel Core i7 8086K

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We compared two desktop CPUs: Intel Core i9 7920X with 12 cores 2.9GHz and Intel Core i7 8086K with 6 cores 4.0GHz . 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 12MB)

Intel Core i7 8086K 's Advantages

Released 10 months late

Integrated graphics card

Higher base frequency (4.0GHz vs 2.9GHz)

Lower TDP (95W vs 140W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 7920X

1053

Intel Core i7 8086K +69%

1781

Geekbench 6 Multi Core

Intel Core i9 7920X

4327

Intel Core i7 8086K +74%

7529

Geekbench 5 Single Core

Intel Core i9 7920X

1137

Intel Core i7 8086K +19%

1358

Geekbench 5 Multi Core

Intel Core i9 7920X +66%

11828

Intel Core i7 8086K

7095

Passmark CPU Single Core

Intel Core i9 7920X

2488

Intel Core i7 8086K +15%

2876

Passmark CPU Multi Core

Intel Core i9 7920X +63%

23468

Intel Core i7 8086K

14336

Intel Core i9 7920X

VS

Intel Core i7 8086K

General Parameters

Aug 2017

Release Date

Jun 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Coffee Lake

i9-7920X

Processor Number

i7-8086K

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

12

Performance Cores

6

24

Performance Core Threads

12

2.9 GHz

Performance Core Base Frequency

4.0 GHz

4.3 GHz

Performance Core Turbo Frequency

5 GHz

12

Total Core Count

6

24

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

29x

Multiplier

40x

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

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

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 i7 8086K

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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