Core i7-640M
Celeron B840
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| General information | Core i7-640M | Celeron B840 |
|---|---|---|
| Launched | Q4 2010 | Q4 2011 |
| Used in | Mobile | Mobile |
| Factory | Intel | Intel |
| Socket | BGA1288 | PGA988B |
| Clock | 2.8 GHz 0 % | 1.9 GHz 32.1 % |
| Cores | 2 0 % | 2 0 % |
| Threads | 4 0 % | 2 50 % |
| Thermal Design Power (TDP) | 35 W 0 % | 35 W 0 % |
| Performance | Core i7-640M | Celeron B840 |
| Overall Score | 34037 0 % | 28462 16.4 % |
| Future Proof | 21 % 22.2 % | 27 % 0 % |
| Benchmark Score | 1342 0 % | 656 51.1 % |
| Single Thread Score | 1376 0 % | 913.4 33.6 % |
| Encrypting Data | 3043 MB/s 0 % | 1499.8 MB/s 50.7 % |
| Compressing Data | 31.7 MB/s 0 % | 18.8 MB/s 40.8 % |
| String objects sorting | 4341 thousand/s 0 % | 2619.2 thousand/s 39.7 % |
| Prime numbers generation | 9.9 millions/s 0 % | 9 millions/s 9.4 % |
| Mathemathic operations (integer) | 8190.6 millions/s 0 % | 4190.5 millions/s 48.8 % |
| Mathemathic operations (float) | 3622.8 millions/s 0 % | 2163.6 millions/s 40.3 % |
Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i7-640M, Celeron B840.
| Average frames per second | Core i7-640M | Celeron B840 |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 55.8 FPS | 39.8 FPS |
| High settings | 89.3 FPS | 63.7 FPS |
| Medium settings | 111.7 FPS | 79.7 FPS |
| Low settings | 139.6 FPS | 99.6 FPS |
| Difference | 0 % | 28.6 % |
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 | Core i7-640M | Celeron B840 |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 110.6 FPS | 100.8 FPS |
| High settings | 177.0 FPS | 161.2 FPS |
| Medium settings | 221.2 FPS | 201.5 FPS |
| Low settings | 276.5 FPS | 251.9 FPS |
| Difference | 0 % | 8.9 % |
