AMD Ryzen 9 3900XT: CPU Specs and Performance, Benchmarks
The AMD Ryzen 9 3900XT is a 12-core and 24-thread processor configuration with a base clock speed of 3800 MHz. The CPU specifications and performance tests (benchmarks) are listed below.
Performance (Benchmarks)
- Geekbench 5 Single-Core Score
- 1321
- Geekbench 5 Multi-Core Score
- 11978
- PassMark CPU Mark Rating
- 32898
- PassMark Single Thread Rating
- 2790
- 3DMark Time Spy Physics Score
- 12217
Processor Specs
- Processor
- AMD Ryzen 9 3900XT
- Frequency
- 3800 MHz
- Maximum Frequency
- 4700 MHz
- Cores
- 12
- Threads
- 24
- TDP
- 105 W
- Codename
- Matisse
- Package
- Socket AM4 (1331)

Geekbench 5 Benchmark
- Single-Core Score
- 1326
- Multi-Core Score
- 10890
- Benchmark
- Geekbench 5.4.1 Tryout for Windows x86 (64-bit)
System Information
- Operating System
- Microsoft Windows 10 Pro (64-bit)
- Model
- Micro-Star International Co., Ltd. MS-7C91
- Motherboard
- Micro-Star International Co., Ltd. MAG B550 TOMAHAWK (MS-7C91)
- Power Plan
- Balanced
CPU Specifications
- Name
- AMD Ryzen 9 3900XT
- Topology
- 1 Processor, 12 Cores, 24 Threads
- Identifier
- AuthenticAMD Family 23 Model 113 Stepping 0
- Base Frequency
- 3.80 GHz
- Maximum Frequency
- 4660 MHz
- Package
- Socket AM4 (1331)
- Codename
- Matisse
- L1 Instruction Cache
- 32.0 KB x 12
- L1 Data Cache
- 32.0 KB x 12
- L2 Cache
- 512 KB x 12
- L3 Cache
- 16.0 MB x 4
Memory Information
- Size
- 16.00 GB
- Frequency
- 1199 MHz
- Type
- DDR4 SDRAM
- Channels
- 2
Geekbench 5 result (single)
| Single-Core Score | 1326 |
|---|---|
| Crypto Score | 2402 |
| Integer Score | 1153 |
| Floating Point Score | 1523 |
| AES-XTS | 2402 4.09 GB/sec |
| Text Compression (LZMA) | 1398 7.07 MB/sec |
| Image Compression | 1375 65.1 Mpixels/sec |
| Navigation (using Dijkstra's algorithm) | 950 2.68 MTE/sec |
| HTML5 | 997 1.17 MElements/sec |
| SQLite | 991 310.4 Krows/sec |
| PDF Rendering | 1161 63.0 Mpixels/sec |
| Text Rendering | 1098 349.9 KB/sec |
| Clang | 1173 9.14 Klines/sec |
| Camera | 1336 15.5 images/sec |
| N-Body Physics | 1446 1.81 Mpairs/sec |
| Rigid Body Physics | 1328 8228.7 FPS |
| Gaussian Blur | 1609 88.4 Mpixels/sec |
| Face Detection | 1380 10.6 images/sec |
| Horizon Detection | 1226 30.2 Mpixels/sec |
| Image Inpainting | 2494 122.4 Mpixels/sec |
| HDR | 2494 34.0 Mpixels/sec |
| Ray Tracing | 1744 1.40 Mpixels/sec |
| Structure from Motion | 1103 9.88 Kpixels/sec |
| Speech Recognition | 1375 44.0 Words/sec |
| Machine Learning | 1186 45.8 images/sec |
Geekbench 5 result (multi)
| Multi-Core Score | 10890 |
|---|---|
| Crypto Score | 4344 |
| Integer Score | 10512 |
| Floating Point Score | 12799 |
| AES-XTS | 4344 7.41 GB/sec |
| Text Compression (LZMA) | 16296 82.4 MB/sec |
| Image Compression | 16137 763.4 Mpixels/sec |
| Navigation (using Dijkstra's algorithm) | 3546 10.00 MTE/sec |
| HTML5 | 14325 16.8 MElements/sec |
| SQLite | 13951 4.37 Mrows/sec |
| PDF Rendering | 10674 579.3 Mpixels/sec |
| Text Rendering | 5281 1.64 MB/sec |
| Clang | 16276 126.8 Klines/sec |
| Camera | 9164 106.2 images/sec |
| N-Body Physics | 13285 16.6 Mpairs/sec |
| Rigid Body Physics | 20111 124596.8 FPS |
| Gaussian Blur | 14073 773.6 Mpixels/sec |
| Face Detection | 17170 132.2 images/sec |
| Horizon Detection | 9369 230.9 Mpixels/sec |
| Image Inpainting | 18667 915.7 Mpixels/sec |
| HDR | 19242 262.2 Mpixels/sec |
| Ray Tracing | 23054 18.5 Mpixels/sec |
| Structure from Motion | 11504 103.1 Kpixels/sec |
| Speech Recognition | 9488 303.3 Words/sec |
| Machine Learning | 2761 106.7 images/sec |