Athlon II X4 645
A4-3400
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| General information | Athlon II X4 645 | A4-3400 |
|---|---|---|
| Launched | Q4 2010 | Q3 2011 |
| Used in | Desktop | Desktop |
| Factory | AMD | AMD |
| Socket | AM3 | FM1 |
| Series Name | AMD Athlon II X4 | AMD A4 |
| Core Family Name | Propus | Llano |
| Clock | 3.1 GHz 0 % | 2.7 GHz 12.9 % |
| Cores | 4 0 % | 2 50 % |
| Threads | 4 0 % | 2 50 % |
| Thermal Design Power (TDP) | 95 W 0 % | 65 W 31.6 % |
| Lithography | 45 nm 0 % | 32 nm 28.9 % |
| L1 Cache |
4 × 64 kB Instruction
4 × 64 kB Data |
2 × 64 kB Instruction
2 × 64 kB Data |
| L2 Cache |
4 × 512 kB
|
2 × 512 kB
|
| ECC Supported | No | No |
| Multithreading Supported | No | No |
| Performance | Athlon II X4 645 | A4-3400 |
| Overall Score | 35097 0 % | 28914 17.6 % |
| Future Proof | 21 % 19.2 % | 26 % 0 % |
| Benchmark Score | 1517 0 % | 699 53.9 % |
| Single Thread Score | 1246.4 0 % | 1071.3 14.1 % |
| Encrypting Data | 3447.6 MB/s 0 % | 1594.3 MB/s 53.8 % |
| Compressing Data | 52.6 MB/s 0 % | 23.1 MB/s 56.2 % |
| String objects sorting | 6726.5 thousand/s 0 % | 2967.5 thousand/s 55.9 % |
| Prime numbers generation | 9 millions/s 0 % | 5 millions/s 45 % |
| Mathemathic operations (integer) | 7204.5 millions/s 0 % | 3119.5 millions/s 56.7 % |
| Mathemathic operations (float) | 5228 millions/s 0 % | 2385.4 millions/s 54.4 % |
Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Athlon II X4 645, A4-3400.
| Average frames per second | Athlon II X4 645 | A4-3400 |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 59.0 FPS | 41.0 FPS |
| High settings | 94.4 FPS | 65.5 FPS |
| Medium settings | 118.0 FPS | 81.9 FPS |
| Low settings | 147.5 FPS | 102.4 FPS |
| Difference | 0 % | 30.6 % |
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 | A4-3400 |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 112.4 FPS | 101.6 FPS |
| High settings | 179.9 FPS | 162.5 FPS |
| Medium settings | 224.8 FPS | 203.1 FPS |
| Low settings | 281.1 FPS | 253.9 FPS |
| Difference | 0 % | 9.7 % |
