Intel Core i5 9400F vs Intel Core i9 7920X

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Intel Core i5 9400F

Intel Core i9 7920X

We compared two desktop CPUs: Intel Core i5 9400F with 6 cores 2.9GHz 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 i5 9400F 's Advantages

Released 1 years and 5 months late

Lower TDP (65W vs 140W)

Intel Core i9 7920X 's Advantages

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

Larger L3 cache size (17MB vs 9MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i5 9400F +32%

1396

Intel Core i9 7920X

1053

Geekbench 6 Multi Core

Intel Core i5 9400F +18%

5142

Intel Core i9 7920X

4327

Geekbench 5 Single Core

Intel Core i5 9400F

1067

Intel Core i9 7920X +6%

1137

Geekbench 5 Multi Core

Intel Core i5 9400F

4806

Intel Core i9 7920X +146%

11828

Passmark CPU Single Core

Intel Core i5 9400F

2453

Intel Core i9 7920X +1%

2488

Passmark CPU Multi Core

Intel Core i5 9400F

9511

Intel Core i9 7920X +146%

23468

Intel Core i5 9400F

VS

Intel Core i9 7920X

General Parameters

Jan 2019

Release Date

Aug 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Coffee Lake

Core Architecture

Skylake

i5-9400F

Processor Number

i9-7920X

LGA-1151

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

65 W

Power Consumption

140 W

100 °C

Peak Operating Temperature

95 °C

CPU Performance

6

Performance Cores

12

6

Performance Core Threads

24

2.9 GHz

Performance Core Base Frequency

2.9 GHz

4.1 GHz

Performance Core Turbo Frequency

4.3 GHz

6

Total Core Count

12

6

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

29x

Multiplier

29x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

1 MB per core

9 MB shared

L3 Cache

17 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

41.6 GB/s

Max Memory Bandwidth

85 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i5 9400F

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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