Core i5-661
Athlon II X2 255
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| General information | Core i5-661 | Athlon II X2 255 |
|---|---|---|
| Launched | Q1 2010 | Q1 2010 |
| Used in | Desktop | Desktop |
| Factory | Intel | AMD |
| Socket | LGA1156 | AM3 |
| Series Name | Intel Core i5 | AMD Athlon II X2 |
| Core Family Name | Clarkdale | Regor |
| Clock | 3.3 GHz 0 % | 3.1 GHz 6.1 % |
| Cores | 2 0 % | 2 0 % |
| Threads | 4 0 % | 2 50 % |
| Thermal Design Power (TDP) | 87 W 0 % | 65 W 25.3 % |
| Lithography | 32 nm 28.9 % | 45 nm 0 % |
| L1 Cache |
2 × 32 kB Instruction
2 × 32 kB Data |
2 × 64 kB Instruction
2 × 64 kB Data |
| L2 Cache |
2 × 256 kB
|
2 × 1 MB
|
| ECC Supported | No | No |
| Multithreading Supported | Yes | No |
| Performance | Core i5-661 | Athlon II X2 255 |
| Overall Score | 35534 0 % | 29491 17 % |
| Future Proof | 17 % 0 % | 17 % 0 % |
| Benchmark Score | 1594 0 % | 756 52.6 % |
| Single Thread Score | 1451.7 0 % | 1240.2 14.6 % |
| Encrypting Data | 3643.7 MB/s 0 % | 1737.4 MB/s 52.3 % |
| Compressing Data | 37.7 MB/s 0 % | 25.8 MB/s 31.7 % |
| String objects sorting | 5305.6 thousand/s 0 % | 3273.6 thousand/s 38.3 % |
| Prime numbers generation | 11.1 millions/s 0 % | 6 millions/s 45.8 % |
| Mathemathic operations (integer) | 9519.9 millions/s 0 % | 3427.9 millions/s 64 % |
| Mathemathic operations (float) | 3988 millions/s 0 % | 2498 millions/s 37.4 % |
Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i5-661, Athlon II X2 255.
| Average frames per second | Core i5-661 | Athlon II X2 255 |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 60.3 FPS | 42.5 FPS |
| High settings | 96.4 FPS | 68.0 FPS |
| Medium settings | 120.5 FPS | 85.0 FPS |
| Low settings | 150.6 FPS | 106.2 FPS |
| Difference | 0 % | 29.5 % |
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 | Core i5-661 | Athlon II X2 255 |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 113.2 FPS | 102.6 FPS |
| High settings | 181.2 FPS | 164.1 FPS |
| Medium settings | 226.5 FPS | 205.1 FPS |
| Low settings | 283.1 FPS | 256.4 FPS |
| Difference | 0 % | 9.4 % |
