AMD Athlon II X4 645: CPU Specs and Performance, Benchmarks
The AMD Athlon II X4 645 is a 4-core and 4-thread processor configuration with a base clock speed of 3100 MHz. The CPU specifications and performance tests (benchmarks) are listed below.
Performance (Benchmarks)
- Geekbench 5 Single-Core Score
- 373
- Geekbench 5 Multi-Core Score
- 1243
- PassMark CPU Mark Rating
- 2223
- PassMark Single Thread Rating
- 1256
Processor Specs
- Processor
- AMD Athlon II X4 645
- Frequency
- 3100 MHz
- Cores
- 4
- Threads
- 4
- TDP
- 95 W
- Codename
- Propus
- Package
- Socket AM3 (938)

Geekbench 5 Benchmark
- Single-Core Score
- 372
- Multi-Core Score
- 1345
- Benchmark
- Geekbench 5.4.1 Tryout for Windows x86 (64-bit)
System Information
- Operating System
- Windows 10 LTSC (64-bit)
- Model
- System manufacturer System Product Name
- Motherboard
- ASUSTeK Computer INC. M4A88TD-V EVO/USB3
CPU Specifications
- Name
- AMD Athlon II X4 645
- Topology
- 1 Processor, 4 Cores
- Identifier
- AuthenticAMD Family 16 Model 5 Stepping 3
- Base Frequency
- 3.11 GHz
- Maximum Frequency
- 3113 MHz
- Package
- Socket AM3 (938)
- Codename
- Propus
- L1 Instruction Cache
- 64.0 KB x 4
- L1 Data Cache
- 64.0 KB x 4
- L2 Cache
- 512 KB x 4
Memory Information
- Size
- 4.00 GB
- Frequency
- 669 MHz
- Type
- DDR3 SDRAM
- Channels
- 2
Geekbench 5 result (single)
| Single-Core Score | 372 |
|---|---|
| Crypto Score | 60 |
| Integer Score | 425 |
| Floating Point Score | 308 |
| AES-XTS | 60 103.9 MB/sec |
| Text Compression (LZMA) | 455 2.30 MB/sec |
| Image Compression | 546 25.8 Mpixels/sec |
| Navigation (using Dijkstra's algorithm) | 375 1.06 MTE/sec |
| HTML5 | 457 536.9 KElements/sec |
| SQLite | 433 135.8 Krows/sec |
| PDF Rendering | 435 23.6 Mpixels/sec |
| Text Rendering | 383 121.9 KB/sec |
| Clang | 431 3.36 Klines/sec |
| Camera | 340 3.94 images/sec |
| N-Body Physics | 196 245.6 Kpairs/sec |
| Rigid Body Physics | 466 2887.3 FPS |
| Gaussian Blur | 190 10.4 Mpixels/sec |
| Face Detection | 287 2.21 images/sec |
| Horizon Detection | 315 7.76 Mpixels/sec |
| Image Inpainting | 521 25.6 Mpixels/sec |
| HDR | 684 9.32 Mpixels/sec |
| Ray Tracing | 391 313.6 Kpixels/sec |
| Structure from Motion | 235 2.10 Kpixels/sec |
| Speech Recognition | 271 8.65 Words/sec |
| Machine Learning | 169 6.55 images/sec |
Geekbench 5 result (multi)
| Multi-Core Score | 1345 |
|---|---|
| Crypto Score | 232 |
| Integer Score | 1513 |
| Floating Point Score | 1167 |
| AES-XTS | 232 404.8 MB/sec |
| Text Compression (LZMA) | 1720 8.70 MB/sec |
| Image Compression | 2104 99.5 Mpixels/sec |
| Navigation (using Dijkstra's algorithm) | 983 2.77 MTE/sec |
| HTML5 | 1816 2.13 MElements/sec |
| SQLite | 1615 506.0 Krows/sec |
| PDF Rendering | 1540 83.6 Mpixels/sec |
| Text Rendering | 1218 387.9 KB/sec |
| Clang | 1642 12.8 Klines/sec |
| Camera | 1291 15.0 images/sec |
| N-Body Physics | 720 900.7 Kpairs/sec |
| Rigid Body Physics | 1841 11405.7 FPS |
| Gaussian Blur | 937 51.5 Mpixels/sec |
| Face Detection | 1118 8.61 images/sec |
| Horizon Detection | 1167 28.8 Mpixels/sec |
| Image Inpainting | 1916 94.0 Mpixels/sec |
| HDR | 2531 34.5 Mpixels/sec |
| Ray Tracing | 1683 1.35 Mpixels/sec |
| Structure from Motion | 888 7.95 Kpixels/sec |
| Speech Recognition | 938 30.0 Words/sec |
| Machine Learning | 495 19.1 images/sec |