AMD Ryzen 5 8400F vs Intel Core i9 9900KS

VS

AMD Ryzen 5 8400F

Intel Core i9 9900KS

We compared two desktop CPUs: AMD Ryzen 5 8400F with 6 cores 4.2GHz and Intel Core i9 9900KS with 8 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 8400F 's Advantages

Released 4 years and 7 months late

Higher specification of memory (5200 vs 2666)

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

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (4.2GHz vs 4.0GHz)

More modern manufacturing process (4nm vs 14nm)

Lower TDP (65W vs 127W)

Intel Core i9 9900KS 's Advantages

Integrated graphics card

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 8400F +27%

1691

Intel Core i9 9900KS

1323

Cinebench R23 Multi Core

AMD Ryzen 5 8400F

13361

Intel Core i9 9900KS

13343

Geekbench 6 Single Core

AMD Ryzen 5 8400F +48%

2500

Intel Core i9 9900KS

1678

Geekbench 6 Multi Core

AMD Ryzen 5 8400F +22%

10760

Intel Core i9 9900KS

8751

Passmark CPU Single Core

AMD Ryzen 5 8400F +17%

3553

Intel Core i9 9900KS

3029

Passmark CPU Multi Core

AMD Ryzen 5 8400F +19%

23127

Intel Core i9 9900KS

19417

AMD Ryzen 5 8400F

VS

Intel Core i9 9900KS

General Parameters

May 2024

Release Date

Oct 2019

Amd

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Coffee Lake

-

Processor Number

i9-9900KS

AM5

Socket

LGA-1151

No

Integrated Graphics

UHD Graphics 630

Ryzen 5 (Zen 4 (Phoenix))

Generation

-

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

14 nm

45-65 W

Power Consumption

127 W

95 °C

Peak Operating Temperature

100 °C

TSMC

Foundry

-

178 mm²

Die Size

-

CPU Performance

6

Performance Cores

8

12

Performance Core Threads

16

4.2 GHz

Performance Core Base Frequency

4.0 GHz

4.7 GHz

Performance Core Turbo Frequency

5 GHz

6

Total Core Count

8

12

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

42

Multiplier

40x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

16 MB shared

L3 Cache

16 MB shared

Yes

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-5200

Memory Types

DDR4-2666

256 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

83.2 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

AMD Ryzen 5 8400F

Official Website

Intel Core i9 9900KS

4.0

PCIe Version

3.0

20

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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