Core i7-640UM
Celeron B820
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| General information | Core i7-640UM | Celeron B820 |
|---|---|---|
| Launched | Q2 2010 | Q3 2012 |
| Used in | Mobile | Mobile |
| Factory | Intel | Intel |
| Socket | BGA1288 | PGA988B |
| Clock | 1.2 GHz 29.4 % | 1.7 GHz 0 % |
| Cores | 2 0 % | 2 0 % |
| Threads | 4 0 % | 2 50 % |
| Thermal Design Power (TDP) | 18 W 48.6 % | 35 W 0 % |
| Performance | Core i7-640UM | Celeron B820 |
| Overall Score | 29573 0 % | 26984 8.8 % |
| Future Proof | 18 % 41.9 % | 31 % 0 % |
| Benchmark Score | 765 0 % | 530 30.7 % |
| Single Thread Score | 881.6 0 % | 759 13.9 % |
| Encrypting Data | 1737.8 MB/s 0 % | 1203.3 MB/s 30.8 % |
| Compressing Data | 18.4 MB/s 0 % | 15.4 MB/s 16.1 % |
| String objects sorting | 2457.6 thousand/s 0 % | 2117.4 thousand/s 13.8 % |
| Prime numbers generation | 7.1 millions/s 0 % | 7 millions/s 0.5 % |
| Mathemathic operations (integer) | 4732.6 millions/s 0 % | 3290.8 millions/s 30.5 % |
| Mathemathic operations (float) | 2104.7 millions/s 0 % | 1719.1 millions/s 18.3 % |
Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i7-640UM, Celeron B820.
| Average frames per second | Core i7-640UM | Celeron B820 |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 42.7 FPS | 36.5 FPS |
| High settings | 68.3 FPS | 58.5 FPS |
| Medium settings | 85.3 FPS | 73.1 FPS |
| Low settings | 106.7 FPS | 91.3 FPS |
| Difference | 0 % | 14.4 % |
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 i7-640UM | Celeron B820 |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 102.7 FPS | 98.1 FPS |
| High settings | 164.3 FPS | 157.0 FPS |
| Medium settings | 205.4 FPS | 196.3 FPS |
| Low settings | 256.7 FPS | 245.3 FPS |
| Difference | 0 % | 4.4 % |
