AMD Ryzen 7 3800XT vs AMD Ryzen 9 7900

VS

AMD Ryzen 7 3800XT

AMD Ryzen 9 7900

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

Main Differences

AMD Ryzen 7 3800XT 's Advantages

Higher base frequency (3.9GHz vs 3.7GHz)

AMD Ryzen 9 7900 's Advantages

Released 2 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)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 3800XT

1351

AMD Ryzen 9 7900 +50%

2034

Cinebench R23 Multi Core

AMD Ryzen 7 3800XT

12952

AMD Ryzen 9 7900 +126%

29358

Geekbench 6 Single Core

AMD Ryzen 7 3800XT

1679

AMD Ryzen 9 7900 +75%

2946

Geekbench 6 Multi Core

AMD Ryzen 7 3800XT

6343

AMD Ryzen 9 7900 +174%

17413

Cinebench 2024 Single Core

AMD Ryzen 7 3800XT

81

AMD Ryzen 9 7900 +37%

111

Cinebench 2024 Multi Core

AMD Ryzen 7 3800XT

734

AMD Ryzen 9 7900 +107%

1525

Blender

AMD Ryzen 7 3800XT

183

AMD Ryzen 9 7900 +149%

456

Geekbench 5 Single Core

AMD Ryzen 7 3800XT

1319

AMD Ryzen 9 7900 +62%

2148

Geekbench 5 Multi Core

AMD Ryzen 7 3800XT

9327

AMD Ryzen 9 7900 +92%

17950

Passmark CPU Single Core

AMD Ryzen 7 3800XT

2793

AMD Ryzen 9 7900 +48%

4149

Passmark CPU Multi Core

AMD Ryzen 7 3800XT

23540

AMD Ryzen 9 7900 +107%

48837

AMD Ryzen 7 3800XT

VS

AMD Ryzen 9 7900

General Parameters

Jul 2020

Release Date

Jan 2023

AMD

Manufacturer

Amd

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2

Core Architecture

Zen 4 (Raphael)

AM4

Socket

AM5

N/A

Integrated Graphics

Radeon Graphics (Ryzen 7000)

Package

3.8 billions

Transistor Count

13.1 billions

7 nm

Manufacturing Process

5 nm

105 W

Power Consumption

65 W

-

Max Turbo Power Consumption

90 W

95 °C

Peak Operating Temperature

95 °C

CPU Performance

8

Performance Cores

12

16

Performance Core Threads

24

3.9 GHz

Performance Core Base Frequency

3.7 GHz

4.7 GHz

Performance Core Turbo Frequency

5.4 GHz

8

Total Core Count

12

16

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

39x

Multiplier

37x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

32 MB shared

L3 Cache

64 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-3200

Memory Types

DDR5-5200

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

47.68 GB/s

Max Memory Bandwidth

83.2 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

400 MHz

-

GPU Max Dynamic Frequency

2200 MHz

-

Shader Units

128

-

Texture Units

8

-

Raster Operation Units

4

-

Execution Units

2

-

Power Consumption

15 W

-

Graphics Performance

0.56 TFLOPS

Miscellaneous

AMD Ryzen 7 3800XT

Official Website

AMD Ryzen 9 7900

4.0

PCIe Version

5.0

24

PCIe Lanes

28

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