GeForce 840M vs 820A |
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Differences What are the advantages of each
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| Much better T-Rex score | 3,359.62 | vs | 1,705.82 | More than 95% better T-Rex score | |||
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| Significantly higher clock speed | 1,029 MHz | vs | 775 MHz | Around 35% higher clock speed | |||
| Slightly better floating-point performance | 790.3 GFLOPS | vs | 297.6 GFLOPS | Around 2.8x better floating-point performance | |||
| More shading units | 384 | vs | 96 | 288 more shading units | |||
| Higher memory clock speed | 1,001 MHz | vs | 900 MHz | More than 10% higher memory clock speed | |||
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| Lower TDP | 15W | vs | 33W | 2.2x lower TDP | |||
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Benchmarks Real world tests of GeForce 840M vs 820A
PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark
T-Rex (GFXBench 3.0) Data courtesy CompuBench
Manhattan (GFXBench 3.0) Data courtesy CompuBench
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