AMD Phenom II X4 820 vs AMD Athlon II X4 645
What is the difference between AMD Phenom II X4 820 and AMD Athlon II X4 645. Find out which CPU has better performance.
Performance (Benchmarks)
| 375 | Geekbench 5 Single-Core Score | 373 |
| 1288 | Geekbench 5 Multi-Core Score | 1243 |
| 2108 | PassMark CPU Mark Rating | 2223 |
| 1137 | PassMark Single Thread Rating | 1256 |
Processor Specs
| AMD Phenom II X4 820 | Processor | AMD Athlon II X4 645 |
| 2800 MHz | Frequency | 3100 MHz |
| 4 | Cores | 4 |
| 4 | Threads | 4 |
| 95 W | TDP | 95 W |
| Deneb | Codename | Propus |
| Socket AM3 (938) | Package | Socket AM3 (938) |
Geekbench 5 Benchmark
| 374 | Single-Core Score | 372 |
| 1293 | Multi-Core Score | 1345 |
| Geekbench 5.3.2 Tryout for Windows x86 (64-bit) | Benchmark | Geekbench 5.4.1 Tryout for Windows x86 (64-bit) |
System Information
| Microsoft Windows 10 Pro (64-bit) | Operating System | Windows 10 LTSC (64-bit) |
| Dell Inc. Inspiron 546 | Model | System manufacturer System Product Name |
| Dell Inc. 0F896N | Motherboard | ASUSTeK Computer INC. M4A88TD-V EVO/USB3 |
| Balanced | Power Plan |
CPU Specifications
| AMD Phenom II X4 820 | Name | AMD Athlon II X4 645 |
| 1 Processor, 4 Cores | Topology | 1 Processor, 4 Cores |
| AuthenticAMD Family 16 Model 4 Stepping 2 | Identifier | AuthenticAMD Family 16 Model 5 Stepping 3 |
| 2.80 GHz | Base Frequency | 3.11 GHz |
| 2.80 GHz | Maximum Frequency | 3113 MHz |
| Socket AM3 (938) | Package | Socket AM3 (938) |
| Deneb | Codename | Propus |
| 64.0 KB x 4 | L1 Instruction Cache | 64.0 KB x 4 |
| 64.0 KB x 4 | L1 Data Cache | 64.0 KB x 4 |
| 512 KB x 4 | L2 Cache | 512 KB x 4 |
| 4.00 MB x 1 | L3 Cache |
Memory Information
| 6.00 GB | Size | 4.00 GB |
| 399 MHz | Frequency | 669 MHz |
| DDR2 SDRAM | Type | DDR3 SDRAM |
| 2 | Channels | 2 |
Geekbench 5 result (single)
| 374 | Single-Core Score | 372 |
|---|---|---|
| 54 | Crypto Score | 60 |
| 418 | Integer Score | 425 |
| 333 | Floating Point Score | 308 |
| 54 93.9 MB/sec | AES-XTS | 60 103.9 MB/sec |
| 524 2.65 MB/sec | Text Compression (LZMA) | 455 2.30 MB/sec |
| 495 23.4 Mpixels/sec | Image Compression | 546 25.8 Mpixels/sec |
| 404 1.14 MTE/sec | Navigation (using Dijkstra's algorithm) | 375 1.06 MTE/sec |
| 431 506.4 KElements/sec | HTML5 | 457 536.9 KElements/sec |
| 414 129.8 Krows/sec | SQLite | 433 135.8 Krows/sec |
| 403 21.8 Mpixels/sec | PDF Rendering | 435 23.6 Mpixels/sec |
| 354 112.9 KB/sec | Text Rendering | 383 121.9 KB/sec |
| 460 3.59 Klines/sec | Clang | 431 3.36 Klines/sec |
| 317 3.67 images/sec | Camera | 340 3.94 images/sec |
| 291 364.5 Kpairs/sec | N-Body Physics | 196 245.6 Kpairs/sec |
| 425 2630.6 FPS | Rigid Body Physics | 466 2887.3 FPS |
| 261 14.4 Mpixels/sec | Gaussian Blur | 190 10.4 Mpixels/sec |
| 262 2.02 images/sec | Face Detection | 287 2.21 images/sec |
| 290 7.14 Mpixels/sec | Horizon Detection | 315 7.76 Mpixels/sec |
| 637 31.2 Mpixels/sec | Image Inpainting | 521 25.6 Mpixels/sec |
| 626 8.53 Mpixels/sec | HDR | 684 9.32 Mpixels/sec |
| 384 308.6 Kpixels/sec | Ray Tracing | 391 313.6 Kpixels/sec |
| 213 1.91 Kpixels/sec | Structure from Motion | 235 2.10 Kpixels/sec |
| 388 12.4 Words/sec | Speech Recognition | 271 8.65 Words/sec |
| 182 7.01 images/sec | Machine Learning | 169 6.55 images/sec |
Geekbench 5 result (multi)
| 1293 | Multi-Core Score | 1345 |
|---|---|---|
| 212 | Crypto Score | 232 |
| 1434 | Integer Score | 1513 |
| 1168 | Floating Point Score | 1167 |
| 212 370.4 MB/sec | AES-XTS | 232 404.8 MB/sec |
| 1954 9.89 MB/sec | Text Compression (LZMA) | 1720 8.70 MB/sec |
| 1912 90.5 Mpixels/sec | Image Compression | 2104 99.5 Mpixels/sec |
| 970 2.74 MTE/sec | Navigation (using Dijkstra's algorithm) | 983 2.77 MTE/sec |
| 1561 1.83 MElements/sec | HTML5 | 1816 2.13 MElements/sec |
| 1559 488.5 Krows/sec | SQLite | 1615 506.0 Krows/sec |
| 1391 75.5 Mpixels/sec | PDF Rendering | 1540 83.6 Mpixels/sec |
| 1031 328.5 KB/sec | Text Rendering | 1218 387.9 KB/sec |
| 1781 13.9 Klines/sec | Clang | 1642 12.8 Klines/sec |
| 1141 13.2 images/sec | Camera | 1291 15.0 images/sec |
| 1160 1.45 Mpairs/sec | N-Body Physics | 720 900.7 Kpairs/sec |
| 1645 10191.2 FPS | Rigid Body Physics | 1841 11405.7 FPS |
| 872 47.9 Mpixels/sec | Gaussian Blur | 937 51.5 Mpixels/sec |
| 1024 7.89 images/sec | Face Detection | 1118 8.61 images/sec |
| 1059 26.1 Mpixels/sec | Horizon Detection | 1167 28.8 Mpixels/sec |
| 2110 103.5 Mpixels/sec | Image Inpainting | 1916 94.0 Mpixels/sec |
| 2343 31.9 Mpixels/sec | HDR | 2531 34.5 Mpixels/sec |
| 1566 1.26 Mpixels/sec | Ray Tracing | 1683 1.35 Mpixels/sec |
| 822 7.37 Kpixels/sec | Structure from Motion | 888 7.95 Kpixels/sec |
| 963 30.8 Words/sec | Speech Recognition | 938 30.0 Words/sec |
| 498 19.3 images/sec | Machine Learning | 495 19.1 images/sec |