AMD Ryzen 5 8400F vs AMD Ryzen Threadripper 3990X

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AMD Ryzen 5 8400F

AMD Ryzen Threadripper 3990X

We compared two desktop CPUs: AMD Ryzen 5 8400F with 6 cores 4.2GHz and AMD Ryzen Threadripper 3990X with 64 cores 2.9GHz . 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 4 months late

Higher specification of memory (5200 vs 3200)

Higher base frequency (4.2GHz vs 2.9GHz)

More modern manufacturing process (4nm vs 7nm)

Lower TDP (65W vs 280W)

AMD Ryzen Threadripper 3990X 's Advantages

Larger memory bandwidth (95.37GB/s vs 83.2GB/s)

Larger L3 cache size (128MB vs 16MB)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 8400F +33%

1691

AMD Ryzen Threadripper 3990X

1262

Cinebench R23 Multi Core

AMD Ryzen 5 8400F

13361

AMD Ryzen Threadripper 3990X +466%

75671

Geekbench 6 Single Core

AMD Ryzen 5 8400F +119%

2500

AMD Ryzen Threadripper 3990X

1138

Geekbench 6 Multi Core

AMD Ryzen 5 8400F

10760

AMD Ryzen Threadripper 3990X +4%

11211

Passmark CPU Single Core

AMD Ryzen 5 8400F +38%

3553

AMD Ryzen Threadripper 3990X

2564

Passmark CPU Multi Core

AMD Ryzen 5 8400F

23127

AMD Ryzen Threadripper 3990X +247%

80316

AMD Ryzen 5 8400F

VS

AMD Ryzen Threadripper 3990X

General Parameters

May 2024

Release Date

Jan 2020

Amd

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Zen 2

AM5

Socket

sTRX4

No

Integrated Graphics

N/A

Ryzen 5 (Zen 4 (Phoenix))

Generation

-

Package

25 billions

Transistor Count

19.2 billions

4 nm

Manufacturing Process

7 nm

45-65 W

Power Consumption

280 W

95 °C

Peak Operating Temperature

95 °C

TSMC

Foundry

-

178 mm²

Die Size

-

CPU Performance

6

Performance Cores

64

12

Performance Core Threads

128

4.2 GHz

Performance Core Base Frequency

2.9 GHz

4.7 GHz

Performance Core Turbo Frequency

4.3 GHz

6

Total Core Count

64

12

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

42

Multiplier

29x

64 K per core

L1 Cache

96 K per core

1 MB per core

L2 Cache

512 K per core

16 MB shared

L3 Cache

128 MB shared

Yes

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-5200

Memory Types

DDR4-3200

256 GB

Max Memory Size

256 GB

2

Max Memory Channels

4

83.2 GB/s

Max Memory Bandwidth

95.37 GB/s

No

ECC Memory Support

Yes

Miscellaneous

AMD Ryzen 5 8400F

Official Website

AMD Ryzen Threadripper 3990X

4.0

PCIe Version

4.0

20

PCIe Lanes

64

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