AMD Ryzen 9 3900XT vs AMD Ryzen 9 7900

VS

AMD Ryzen 9 3900XT

AMD Ryzen 9 7900

We compared two desktop CPUs: AMD Ryzen 9 3900XT with 12 cores 3.8GHz 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 9 3900XT 's Advantages

Higher base frequency (3.8GHz 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)

More modern manufacturing process (5nm vs 7nm)

Lower TDP (65W vs 105W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 3900XT

1350

AMD Ryzen 9 7900 +50%

2034

Cinebench R23 Multi Core

AMD Ryzen 9 3900XT

18437

AMD Ryzen 9 7900 +59%

29358

Geekbench 6 Single Core

AMD Ryzen 9 3900XT

1763

AMD Ryzen 9 7900 +67%

2946

Geekbench 6 Multi Core

AMD Ryzen 9 3900XT

11025

AMD Ryzen 9 7900 +57%

17413

Cinebench 2024 Single Core

AMD Ryzen 9 3900XT

79

AMD Ryzen 9 7900 +40%

111

Cinebench 2024 Multi Core

AMD Ryzen 9 3900XT

1074

AMD Ryzen 9 7900 +41%

1525

Blender

AMD Ryzen 9 3900XT

261

AMD Ryzen 9 7900 +74%

456

Geekbench 5 Single Core

AMD Ryzen 9 3900XT

1311

AMD Ryzen 9 7900 +63%

2148

Geekbench 5 Multi Core

AMD Ryzen 9 3900XT

12279

AMD Ryzen 9 7900 +46%

17950

Passmark CPU Single Core

AMD Ryzen 9 3900XT

2769

AMD Ryzen 9 7900 +49%

4149

Passmark CPU Multi Core

AMD Ryzen 9 3900XT

32856

AMD Ryzen 9 7900 +48%

48837

AMD Ryzen 9 3900XT

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 (Matisse)

Core Architecture

Zen 4 (Raphael)

AM4

Socket

AM5

No

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

12

Performance Cores

12

24

Performance Core Threads

24

3.8 GHz

Performance Core Base Frequency

3.7 GHz

4.7 GHz

Performance Core Turbo Frequency

5.4 GHz

12

Total Core Count

12

24

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

38x

Multiplier

37x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

64 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

Yes

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 9 3900XT

Official Website

AMD Ryzen 9 7900

4.0

PCIe Version

5.0

24

PCIe Lanes

28

Related CPU Comparisons

1

AMD Ryzen 9 3900XT vs AMD Ryzen Threadripper 2970WX

2

AMD Ryzen 9 3900XT vs Intel Core i7 9700

3

AMD Ryzen 9 3900XT vs Intel Core i9 7960X

4

AMD Ryzen 9 3900XT vs AMD Ryzen 7 7700X

5

AMD Ryzen 9 3900XT vs Intel Core i5 14401TE

6

AMD Ryzen 9 3900XT vs Intel Core i5 7640X

7

AMD Ryzen 9 3900XT vs Intel Core i5 10400T

8

AMD Ryzen 9 3900XT vs AMD Ryzen 5 Pro 4650G

9

AMD Ryzen 9 3900XT vs Intel Core i5 8600

10

AMD Ryzen 9 3900XT vs AMD Ryzen 5 Pro 8600G

Related News

1

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

2

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

3

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

4

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

5

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

6

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game