Athlon II X4 645
Athlon II X4 640
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| General information | Athlon II X4 645 | Athlon II X4 640 |
|---|---|---|
| Launched | Q4 2010 | Q2 2010 |
| Used in | Desktop | Desktop |
| Factory | AMD | AMD |
| Socket | AM3 | AM3 |
| Series Name | AMD Athlon II X4 | AMD Athlon II X4 |
| Core Family Name | Propus | Propus |
| Clock | 3.1 GHz 0 % | 3 GHz 3.2 % |
| Cores | 4 0 % | 4 0 % |
| Threads | 4 0 % | 4 0 % |
| Thermal Design Power (TDP) | 95 W 0 % | 95 W 0 % |
| Lithography | 45 nm 0 % | 45 nm 0 % |
| L1 Cache |
4 × 64 kB Instruction
4 × 64 kB Data |
4 × 64 kB Instruction
4 × 64 kB Data |
| L2 Cache |
4 × 512 kB
|
4 × 512 kB
|
| ECC Supported | No | No |
| Multithreading Supported | No | No |
| Performance | Athlon II X4 645 | Athlon II X4 640 |
| Overall Score | 35160 0 % | 34752 1.2 % |
| Future Proof | 21 % 0 % | 18 % 14.3 % |
| Benchmark Score | 1528 0 % | 1458 4.6 % |
| Single Thread Score | 1268.1 0 % | 1207.4 4.8 % |
| Encrypting Data | 3244.7 MB/s 0 % | 3146.4 MB/s 3 % |
| Compressing Data | 52.3 MB/s 0 % | 50.2 MB/s 3.9 % |
| String objects sorting | 6687.9 thousand/s 0 % | 6375.1 thousand/s 4.7 % |
| Prime numbers generation | 9 millions/s 0.1 % | 9 millions/s 0 % |
| Mathemathic operations (integer) | 7231.8 millions/s 0 % | 6900.1 millions/s 4.6 % |
| Mathemathic operations (float) | 5155.7 millions/s 0 % | 4985.9 millions/s 3.3 % |
Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Athlon II X4 645, Athlon II X4 640.
| Average frames per second | Athlon II X4 645 | Athlon II X4 640 |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 58.9 FPS | 57.7 FPS |
| High settings | 94.2 FPS | 92.3 FPS |
| Medium settings | 117.7 FPS | 115.4 FPS |
| Low settings | 147.2 FPS | 144.2 FPS |
| Difference | 0 % | 2 % |
Comparison of FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) in game 1920 × 1080 (FHD (1080p)) for Grand Theft Auto V.
| Grand Theft Auto V | Athlon II X4 645 | Athlon II X4 640 |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 112.2 FPS | 111.5 FPS |
| High settings | 179.5 FPS | 178.4 FPS |
| Medium settings | 224.4 FPS | 223.0 FPS |
| Low settings | 280.5 FPS | 278.7 FPS |
| Difference | 0 % | 0.6 % |
