Intel Core i9 7920X vs Intel Core i7 7800X

VS

Intel Core i9 7920X

Intel Core i7 7800X

We compared two desktop CPUs: Intel Core i9 7920X with 12 cores 2.9GHz and Intel Core i7 7800X with 6 cores 3.5GHz . 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

Higher specification of memory (2666 vs 2400)

Larger memory bandwidth (85GB/s vs 79.47GB/s)

Larger L3 cache size (17MB vs 8MB)

Intel Core i7 7800X 's Advantages

Higher base frequency (3.5GHz vs 2.9GHz)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 7920X

1053

Intel Core i7 7800X +29%

1362

Geekbench 6 Multi Core

Intel Core i9 7920X

4327

Intel Core i7 7800X +40%

6082

Geekbench 5 Single Core

Intel Core i9 7920X +6%

1137

Intel Core i7 7800X

1069

Geekbench 5 Multi Core

Intel Core i9 7920X +79%

11828

Intel Core i7 7800X

6578

Passmark CPU Single Core

Intel Core i9 7920X +3%

2488

Intel Core i7 7800X

2409

Passmark CPU Multi Core

Intel Core i9 7920X +82%

23468

Intel Core i7 7800X

12894

Intel Core i9 7920X

VS

Intel Core i7 7800X

General Parameters

Aug 2017

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Skylake

i9-7920X

Processor Number

i7-7800X

LGA-2066

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

140 W

Power Consumption

140 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

3.5 GHz

4.3 GHz

Performance Core Turbo Frequency

4 GHz

12

Total Core Count

6

24

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

29x

Multiplier

35x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

17 MB shared

L3 Cache

8 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2400

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

4

85 GB/s

Max Memory Bandwidth

79.47 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i9 7920X

Official Website

Intel Core i7 7800X

3.0

PCIe Version

3.0

44

PCIe Lanes

28

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

Extended Instruction Set

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

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