AMD Ryzen 9 3900XT specifications and performance

AMD Ryzen 9 3900XT is a 12 cores and 24 threads CPU processor produced by AMD. AMD Ryzen 9 3900XT was released on 2020-07-07, the fabrication process is 7nm (nanometer), the CPU codename is Zen 2 (Matisse), the instruction set architecture is x86-64, and the CPU's integrated graphics (iGPU) is -.

Basic Information

Vendor / Supplier AMD
Short name r9 3900xt
Release date 2020-07-07
CPU code name Zen 2 (Matisse)
Fabrication process 7nm (nanometer)
Instruction set architecture x86-64
Market Desktop
Integrated Graphics (iGPU)

CPU core specifications

Total number of cores 12 cores
Total number of threads 24 threads
Number of performance cores 12 cores
Number of performance core threads 24 threads
Performance core base frequency / main frequency 3.8GHz
Performance core maximum turbo frequency 4.7GHz
Number of energy efficiency cores
Number of energy-efficient core threads
Energy efficiency core basic frequency / main frequency
Energy efficiency core maximum turbo frequency

CPU cache and frequency

Bus frequency 100MHz
L1 Cache 64 KB
L2 Cache 512 KB
L3 Cache 64 MB
Unlock multiplier Yes

Memory specifications

Maximum supported memory 128GB
Memory frequency support
  • - DDR4-3200MHz
Maximum number of memory channels 2
Maximum memory bandwidth 47.68GB/s
ECC support Yes

Package specifications

CPU Socket AM4
Default thermal design power / TDP PL1 105W
Maximum Turbo Power Consumption / TDP PL2
Maximum temperature 95°C
PCIe interface PCIe 4.0
PCIe lane count 24

Integrated Graphics specifications

Integrated Graphics (iGPU)
Base frequency
Maximum acceleration frequency
Number of execution units
Stream Processors / Shading Units
Texture Units / TMUs
Raster Operations Units / ROPs
Total Graphics Power / TGP
FP32 computing performance

Cinebench R23 performance test

Single core performance score
Multi-core performance score

PassMark performance test

Single core performance score
Multi-core performance score
Integer math 100 GOps/sec
Floating point math 59 GOps/sec
Find prime numbers 216 Million Primes/sec (Millions find prime numbers per second)
Random string sorting 48.6 Million Strings/sec (Millions random string sorting per second)
Data encryption 28.7 GBytes/sec (Gigabits per second)
Data compression 453.1 MBytes/sec (megabits per second)
Physics simulation 1805 Frames/sec (FPS)
Extended instruction test 28.6 Billion Matrices/sec (Billions matrix operations per second)

GeekBench v6 performance test

Single core performance
Multi-core performance
File compression 1040 MB/sec (megabits per second)
clang compilation 111.3 Klines/sec (thousands lines per second)
HTML5 browsing 217.5 pages/sec (pages per second)
PDF rendering 335.3 Mpixels/sec (megapixels per second)
Text processing 143.6 pages/sec (pages per second)
Background blur 32.4 images/sec (images per second)
Photo processing 74.9 images/sec (images per second)
Ray tracing 26.4 Mpixels/sec (megapixels per second)