Loongson LS3A6000 vs AMD Ryzen 9 3900XT

VS

We compared two desktop CPUs: Loongson LS3A6000 with 4 cores 2.0GHz and AMD Ryzen 9 3900XT with 12 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Loongson LS3A6000 's Advantages

Released 3 years and 4 months late

Newer PCIe version (5.0 vs 4.0)

Lower TDP (50W vs 105W)

AMD Ryzen 9 3900XT 's Advantages

Larger memory bandwidth (47.68GB/s vs 42GB/s)

Higher base frequency (3.8GHz vs 2.0GHz)

Larger L3 cache size (64MB vs 16MB)

Score

Benchmark

Geekbench 6 Single Core

Loongson LS3A6000

226

AMD Ryzen 9 3900XT +680%

1763

Geekbench 6 Multi Core

Loongson LS3A6000

888

AMD Ryzen 9 3900XT +1141%

11025

Loongson LS3A6000

VS

AMD Ryzen 9 3900XT

General Parameters

Nov 2023

Release Date

Jul 2020

Loongson

Manufacturer

Amd

Desktop

Type

Desktop

LoongArch

Instruction Set

x86-64

LA664

Core Architecture

Zen 2 (Matisse)

LS3A6000

Processor Number

-

FCBGA-1190

Socket

AM4

No

Integrated Graphics

No

3A6000

Generation

-

Package

-

Transistor Count

3.8 billions

12 nm

Manufacturing Process

7 nm

FCBGA-1190

Socket

AM4

50 W

Power Consumption

105 W

70°C

Peak Operating Temperature

95°C

Loongson

Foundry

-

257 mm²

Die Size

-

FCBGA-1190

Package

-

CPU Performance

4

Performance Cores

12

8

Performance Core Threads

24

2.0 GHz

Performance Core Base Frequency

3.8 GHz

2.5 GHz

Performance Core Turbo Frequency

4.7 GHz

4

Total Core Count

12

8

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

20

Multiplier

38x

128 K per core

L1 Cache

64 K per core

1 MB

L2 Cache

512 K per core

16 MB

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR4-3200

Memory Types

DDR4-3200

32 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

42 GB/s

Max Memory Bandwidth

47.68 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

Loongson LS3A6000

Official Website

AMD Ryzen 9 3900XT

5.0

PCIe Version

4.0

20

PCIe Lanes

24

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