Intel Core i9 7920X vs Intel Core i7 7700K

VS

Intel Core i9 7920X

Intel Core i7 7700K

We compared two desktop CPUs: Intel Core i9 7920X with 12 cores 2.9GHz and Intel Core i7 7700K with 4 cores 4.2GHz . 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

Released 7 months late

Higher specification of memory (2666 vs 2400)

Larger memory bandwidth (85GB/s vs 35.76GB/s)

Larger L3 cache size (17MB vs 8MB)

Intel Core i7 7700K 's Advantages

Integrated graphics card

Higher base frequency (4.2GHz vs 2.9GHz)

Lower TDP (91W vs 140W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 7920X

1053

Intel Core i7 7700K +47%

1557

Geekbench 6 Multi Core

Intel Core i9 7920X

4327

Intel Core i7 7700K +21%

5260

Geekbench 5 Single Core

Intel Core i9 7920X

1137

Intel Core i7 7700K

1129

Geekbench 5 Multi Core

Intel Core i9 7920X +151%

11828

Intel Core i7 7700K

4705

Passmark CPU Single Core

Intel Core i9 7920X

2488

Intel Core i7 7700K +9%

2712

Passmark CPU Multi Core

Intel Core i9 7920X +144%

23468

Intel Core i7 7700K

9594

Intel Core i9 7920X

VS

Intel Core i7 7700K

General Parameters

Aug 2017

Release Date

Jan 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Kaby Lake

i9-7920X

Processor Number

i7-7700K

LGA-2066

Socket

LGA-1151

N/A

Integrated Graphics

HD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

140 W

Power Consumption

91 W

95 °C

Peak Operating Temperature

100 °C

CPU Performance

12

Performance Cores

4

24

Performance Core Threads

8

2.9 GHz

Performance Core Base Frequency

4.2 GHz

4.3 GHz

Performance Core Turbo Frequency

4.5 GHz

12

Total Core Count

4

24

Total Thread Count

8

100 MHz

Bus Frequency

42 MHz

29x

Multiplier

100x

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

8 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2400, DDR3L-1600

128 GB

Max Memory Size

64 GB

4

Max Memory Channels

2

85 GB/s

Max Memory Bandwidth

35.76 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

350 MHz

-

GPU Max Dynamic Frequency

1150 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

0.44 TFLOPS

Miscellaneous

Intel Core i9 7920X

Official Website

Intel Core i7 7700K

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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