AMD Ryzen 9 3900X vs AMD Ryzen 7 5800XT

VS

AMD Ryzen 9 3900X

AMD Ryzen 7 5800XT

We compared two desktop CPUs: AMD Ryzen 9 3900X with 12 cores 3.8GHz and AMD Ryzen 7 5800XT with 8 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 3900X 's Advantages

Larger L3 cache size (64MB vs 32MB)

AMD Ryzen 7 5800XT 's Advantages

Released 5 years late

Newer PCIe version (4 vs 4.0)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 9 3900X

1842

AMD Ryzen 7 5800XT +19%

2205

Geekbench 6 Multi Core

AMD Ryzen 9 3900X +23%

11715

AMD Ryzen 7 5800XT

9519

Cinebench 2024 Single Core

AMD Ryzen 9 3900X

78

AMD Ryzen 7 5800XT +24%

97

Cinebench 2024 Multi Core

AMD Ryzen 9 3900X +20%

1068

AMD Ryzen 7 5800XT

888

AMD Ryzen 9 3900X

VS

AMD Ryzen 7 5800XT

General Parameters

Jul 2019

Release Date

Jul 2024

AMD

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2

Core Architecture

Vermeer

AM4

Socket

AMD Socket AM4

N/A

Integrated Graphics

N/A

-

Generation

Ryzen 7 (Zen 3 (Vermeer))

Package

3.8 billions

Transistor Count

4.15 billions

7 nm

Manufacturing Process

7 nm

105 W

Power Consumption

105 W

95 °C

Peak Operating Temperature

90°C

-

Foundry

TSMC

-

Die Size

74 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

125 mm²

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

3.8 GHz

Performance Core Base Frequency

3.8 GHz

4.6 GHz

Performance Core Turbo Frequency

4.8 GHz

12

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

38x

Multiplier

38.0

64 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

512 KB per core

64 MB shared

L3 Cache

32 MB

Yes

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR4-3200

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

47.68 GB/s

Max Memory Bandwidth

47.68 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

AMD Ryzen 9 3900X

Official Website

AMD Ryzen 7 5800XT

4.0

PCIe Version

4

16

PCIe Lanes

20

Related CPU Comparisons

1

AMD Ryzen 9 3900X vs Intel Core i9 11900K

2

AMD Ryzen 9 3900X vs Pentium 1403 V2

3

AMD Ryzen 9 3900X vs Intel Core i3 8350K

4

AMD Ryzen 9 3900X vs Intel Core i3 9300T

5

AMD Ryzen 9 3900X vs AMD Ryzen Threadripper 7970X

6

AMD Ryzen 9 3900X vs AMD Ryzen 9 7900

7

AMD Ryzen 9 3900X vs AMD Ryzen Threadripper 1920X

8

AMD Ryzen 9 3900X vs AMD Ryzen 7 Pro 4750G

9

AMD Ryzen 9 3900X vs Intel Core i5 10400T

10

AMD Ryzen 9 3900X vs Intel Core i5 9600K

Related News

1

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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