AMD Ryzen 9 7900 vs AMD Ryzen 7 3800X

VS

AMD Ryzen 9 7900

AMD Ryzen 7 3800X

We compared two desktop CPUs: AMD Ryzen 9 7900 with 12 cores 3.7GHz and AMD Ryzen 7 3800X with 8 cores 3.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 7900 's Advantages

Released 3 years and 6 months late

Integrated graphics card

Higher specification of memory (5200 vs 3200)

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

Newer PCIe version (5.0 vs 4.0)

Larger L3 cache size (64MB vs 32MB)

More modern manufacturing process (5nm vs 7nm)

Lower TDP (65W vs 105W)

AMD Ryzen 7 3800X 's Advantages

Higher base frequency (3.9GHz vs 3.7GHz)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 7900 +51%

2034

AMD Ryzen 7 3800X

1340

Cinebench R23 Multi Core

AMD Ryzen 9 7900 +112%

29358

AMD Ryzen 7 3800X

13812

Geekbench 6 Single Core

AMD Ryzen 9 7900 +69%

2946

AMD Ryzen 7 3800X

1743

Geekbench 6 Multi Core

AMD Ryzen 9 7900 +101%

17413

AMD Ryzen 7 3800X

8625

Cinebench 2024 Single Core

AMD Ryzen 9 7900 +42%

111

AMD Ryzen 7 3800X

78

Cinebench 2024 Multi Core

AMD Ryzen 9 7900 +108%

1525

AMD Ryzen 7 3800X

731

Geekbench 5 Single Core

AMD Ryzen 9 7900 +61%

2148

AMD Ryzen 7 3800X

1333

Geekbench 5 Multi Core

AMD Ryzen 9 7900 +89%

17950

AMD Ryzen 7 3800X

9479

Passmark CPU Single Core

AMD Ryzen 9 7900 +53%

4149

AMD Ryzen 7 3800X

2695

Passmark CPU Multi Core

AMD Ryzen 9 7900 +108%

48837

AMD Ryzen 7 3800X

23418

AMD Ryzen 9 7900

VS

AMD Ryzen 7 3800X

General Parameters

Jan 2023

Release Date

Jul 2019

Amd

Manufacturer

Amd

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 4 (Raphael)

Core Architecture

Zen 2

AM5

Socket

AM4

Radeon Graphics (Ryzen 7000)

Integrated Graphics

No

Package

13.1 billions

Transistor Count

3.8 billions

5 nm

Manufacturing Process

7 nm

65 W

Power Consumption

105 W

90 W

Max Turbo Power Consumption

-

95 °C

Peak Operating Temperature

95°C

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

3.7 GHz

Performance Core Base Frequency

3.9 GHz

5.4 GHz

Performance Core Turbo Frequency

4.5 GHz

12

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

37x

Multiplier

39x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

64 MB shared

L3 Cache

32 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR5-5200

Memory Types

DDR4-3200

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

47.68 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

-

400 MHz

GPU Base Frequency

-

2200 MHz

GPU Max Dynamic Frequency

-

128

Shader Units

-

8

Texture Units

-

4

Raster Operation Units

-

2

Execution Units

-

15 W

Power Consumption

-

0.56 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 9 7900

Official Website

AMD Ryzen 7 3800X

5.0

PCIe Version

4.0

28

PCIe Lanes

16

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