Intel Core i9 9900 vs AMD Ryzen 5 8400F

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We compared two desktop CPUs: Intel Core i9 9900 with 8 cores 3.1GHz and AMD Ryzen 5 8400F with 6 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 9900 's Advantages

Integrated graphics card

AMD Ryzen 5 8400F 's Advantages

Released 5 years late

Higher specification of memory (DDR5-5200 vs DDR4-2666)

Larger memory bandwidth (83.2GB/s vs 41.6GB/s)

Newer PCIe version (4 vs 3.0)

Higher base frequency (4.2GHz vs 3.1GHz)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 9900

1267

AMD Ryzen 5 8400F +33%

1691

Cinebench R23 Multi Core

Intel Core i9 9900

12084

AMD Ryzen 5 8400F +10%

13361

Intel Core i9 9900

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AMD Ryzen 5 8400F

General Parameters

Apr 2019

Release Date

Apr 2024

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

-

Coffee Lake

Core Architecture

Phoenix

i9-9900

Processor Number

-

LGA-1151

Socket

AMD Socket AM5

UHD Graphics 630

Integrated Graphics

N/A

-

Generation

Ryzen 5 (Zen 4 (Phoenix))

Package

-

Transistor Count

25 billions

14 nm

Manufacturing Process

4 nm

LGA-1151

Socket

AMD Socket AM5

65 W

Power Consumption

65 W

100 °C

Peak Operating Temperature

-

Foundry

TSMC

-

Die Size

178 mm²

-

Package

FC-LGA1718

CPU Performance

8

Performance Cores

-

16

Performance Core Threads

-

3.1 GHz

Performance Core Base Frequency

4.2 GHz

5 GHz

Performance Core Turbo Frequency

4.7 GHz

8

Total Core Count

6

16

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

31x

Multiplier

42.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

16 MB

No

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-2666

Memory Types

DDR5-5200

128 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

41.6 GB/s

Max Memory Bandwidth

83.2 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 i9 9900

Official Website

AMD Ryzen 5 8400F

3.0

PCIe Version

4

16

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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