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AMD Ryzen Threadripper 3990X vs AMD Ryzen 9 3900

Last updated: 2026-07-04

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 2 - 99 %

AMD Ryzen Threadripper 3990X

Rank 1 - 100 %

AMD Ryzen 9 3900

Multi-core performance

Rank 1 - 100 %

AMD Ryzen Threadripper 3990X

Rank 2 - 37 %

AMD Ryzen 9 3900

Cinebench 2024 Single-Core
Single-core performance

64C / 128T · 4.30 GHz

74 pts

12C / 24T · 4.30 GHz

75 pts

Cinebench 2024 Multi-Core
Multi-core performance

64C / 128T · 4.30 GHz

3,302 pts

12C / 24T · 4.30 GHz

947 pts

Cinebench R23 Single-Core
Single-core performance

64C / 128T · 4.30 GHz

1,284 pts

12C / 24T · 4.30 GHz

1,281 pts

Cinebench R23 Multi-Core
Multi-core performance

64C / 128T · 3.20 GHz

64,355 pts

12C / 24T · 3.10 GHz

16,555 pts

Geekbench 6 Single-Core
Single-core performance

64C / 128T · 4.30 GHz

1,639

12C / 24T · 4.30 GHz

1,688

Geekbench 6 Multi-Core
Multi-core performance

64C / 128T · 3.20 GHz

15,832

12C / 24T · 3.10 GHz

10,260

Cinebench R20 Single-Core
Single-core performance

64C / 128T · 4.30 GHz

495 cb

12C / 24T · 4.30 GHz

487 cb

Geekbench 5, 64bit Single-Core
Single-core performance

64C / 128T · 4.30 GHz

1,219

12C / 24T · 4.30 GHz

1,234

Cinebench R20 Multi-Core
Multi-core performance

64C / 128T · 3.20 GHz

24,763 cb

12C / 24T · 3.10 GHz

6,443 cb

Geekbench 5, 64bit Multi-Core
Multi-core performance

64C / 128T · 3.20 GHz

34,670

12C / 24T · 3.10 GHz

11,432

Blender 3.1 Benchmark
Multi-core performance

64C / 128T · 3.20 GHz

1,087

12C / 24T · 3.10 GHz

234

CPU-Z Benchmark 17 Multi-Core
Multi-core performance

64C / 128T · 2.90 GHz

26,731

12C / 24T · 3.10 GHz

7,875

More benchmarks

Cinebench 2024 (SC)
427 entries

Cinebench 2024 (MC)
422 entries

Cinebench R23 (SC)
690 entries

Cinebench R23 (MC)
665 entries

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Cinebench R20 (SC)
666 entries

Geekbench 5 (SC)
2,512 entries

Cinebench R20 (MC)
615 entries

Geekbench 5 (MC)
2,483 entries

Blender 3.1 Benchmark
213 entries

PassMark CPU-Mark
2,504 entries

Blender 2.81 (bmw27)
190 entries

CPU-Z Benchmark 17 (SC)
250 entries

CPU-Z Benchmark 17 (MC)
751 entries

Monero Hashrate
94 entries

V-Ray CPU-Render
251 entries

Cinebench R15 (SC)
1,113 entries

Cinebench R15 (MC)
1,110 entries

Geekbench 3 (SC)
945 entries

Geekbench 3 (MC)
941 entries

Specifications

At a glance

Wischen	AMD Ryzen Threadripper 3990X	AMD Ryzen 9 3900
Family	AMD Ryzen Threadripper (16)	AMD Ryzen 9 (43)
CPU group	AMD Ryzen Threadripper 3000 (3)	AMD Ryzen 3000 (15)
Architecture	Castle Peak (Zen 2)	Matisse (Zen 2)
Technology	7 nm	7 nm
Segment	Desktop	Desktop
Socket	TRX4 (sTRX4)	AM4 (PGA 1331)
Predecessor	AMD Ryzen Threadripper 2990WX
Successor		AMD Ryzen 9 5900

CPU Cores and Base Frequency

Wischen	AMD Ryzen Threadripper 3990X	AMD Ryzen 9 3900
CPU Cores / Threads	64 / 128	12 / 24
Hyperthreading / SMT	✓	✓
Core architecture	normal	normal
Cores:	64x	12x
Frequency:	2.90 GHz	3.10 GHz
Turbo (1 Core):	4.30 GHz	4.30 GHz
Turbo (All Cores):	3.20 GHz
L2-Cache	32.00 MB
L3-Cache	256.00 MB	64.00 MB
Overclocking	✓	✓

Integrated graphics (iGPU)

Wischen	AMD Ryzen Threadripper 3990X	AMD Ryzen 9 3900
GPU name	no iGPU	no iGPU
GPU frequency
CUs / Shader	/	/
Raytracing	✗	✗
Max. displays
Max. GPU Memory
Technology
Release date

NPU AI performance

Wischen	AMD Ryzen Threadripper 3990X	AMD Ryzen 9 3900
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	AMD Ryzen Threadripper 3990X	AMD Ryzen 9 3900
Memory	DDR4-3200 (51.2 GB/s)	DDR4-3200 (51.2 GB/s)
Max. Memory	2048 GB	128 GB
Memory channels	4	2
ECC	Yes	No
PCIe	4.0 x 64	4.0 x 20
PCIe Bandwidth	126.0 GB/s	39.4 GB/s

Thermal Management

Wischen	AMD Ryzen Threadripper 3990X	AMD Ryzen 9 3900
TDP	280 W	65 W
TDP (PL2)
TDP up
TDP down
T. junction max.	95 °C	95 °C

Technical details

Wischen	AMD Ryzen Threadripper 3990X	AMD Ryzen 9 3900
Chip design	Chiplet	Chiplet
AES-NI	✓	✓
Operating systems	Windows 10, Windows 11, Linux	Windows 10, Windows 11, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	SSE4a, SSE4.1, SSE4.2, AVX2, FMA3	SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
Release date	Q1/2020	Q3/2019
Release price	3990 $	485 $
Documents	Technical data sheet	Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of AMD Ryzen Threadripper 3990X is 4.6 stars (13 ratings), while AMD Ryzen 9 3900 has received 4.4 stars (13 ratings).

Click on the stars to rate one or both processors.

AMD Ryzen Threadripper 3990X
64C / 128T · 2.90 - 4.30 GHz

★★★★★

AMD Ryzen 9 3900
12C / 24T · 3.10 - 4.30 GHz

★★★★★