AMD Ryzen 7 8700F vs AMD Ryzen 9 3900X

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We compared two desktop CPUs: AMD Ryzen 7 8700F with 8 cores 4.1GHz and AMD Ryzen 9 3900X with 12 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 8700F 's Advantages

Released 4 years and 9 months late

Higher specification of memory (DDR5-5200 vs DDR4-3200)

Larger memory bandwidth (83.2GB/s vs 47.68GB/s)

Higher base frequency (4.1GHz vs 3.8GHz)

More modern manufacturing process (4nm vs 7nm)

Lower TDP (65W vs 105W)

AMD Ryzen 9 3900X 's Advantages

Newer PCIe version (4.0 vs 4)

Larger L3 cache size (64MB vs 16MB)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 7 8700F +47%

2711

AMD Ryzen 9 3900X

1842

Geekbench 6 Multi Core

AMD Ryzen 7 8700F +22%

14364

AMD Ryzen 9 3900X

11715

AMD Ryzen 7 8700F

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AMD Ryzen 9 3900X

General Parameters

Apr 2024

Release Date

Jul 2019

AMD

Manufacturer

AMD

Desktop

Type

Desktop

-

Instruction Set

x86-64

Phoenix

Core Architecture

Zen 2

AMD Socket AM5

Socket

AM4

N/A

Integrated Graphics

N/A

Ryzen 7 (Zen 4 (Phoenix))

Generation

-

Package

25 billions

Transistor Count

3.8 billions

4 nm

Manufacturing Process

7 nm

AMD Socket AM5

Socket

AM4

65 W

Power Consumption

105 W

-

Peak Operating Temperature

95 °C

TSMC

Foundry

-

178 mm²

Die Size

-

FC-LGA1718

Package

-

CPU Performance

-

Performance Cores

12

-

Performance Core Threads

24

4.1 GHz

Performance Core Base Frequency

3.8 GHz

5 GHz

Performance Core Turbo Frequency

4.6 GHz

8

Total Core Count

12

16

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

41.0

Multiplier

38x

64 KB per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

16 MB

L3 Cache

64 MB shared

Yes

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-5200

Memory Types

DDR4-3200

256 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

47.68 GB/s

No

ECC Memory Support

Yes

AI Accelerator

AMD Ryzen™ AI

NPU

-

16 TOPS

Theoretical performance

-

Miscellaneous

AMD Ryzen 7 8700F

Official Website

AMD Ryzen 9 3900X

4

PCIe Version

4.0

20

PCIe Lanes

16

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