Radeon R9 M280X vs GeForce 840M |
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AMD Radeon R9 M280XGPUBoss Winner |  | |
Differences What are the advantages of each
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| Significantly more memory | 4,096 MB | vs | 1,024 MB | 4x more memory | |||
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| Significantly higher effective memory clock speed | 5,500 MHz | vs | 2,002 MHz | Around 2.8x higher effective memory clock speed | |||
| Better 3DMark06 score | 4,698 | vs | 2,338 | More than 2x better 3DMark06 score | |||
| Better 3DMark vantage graphics score | 11,255 | vs | 6,627 | Around 70% better 3DMark vantage graphics score | |||
| Higher memory bandwidth | 88 GB/s | vs | 16.02 GB/s | Around 5.5x higher memory bandwidth | |||
| Better floating-point performance | 1,792 GFLOPS | vs | 790.3 GFLOPS | More than 2.2x better floating-point performance | |||
| Higher texture rate | 56 GTexel/s | vs | 16.46 GTexel/s | Around 3.5x higher texture rate | |||
| Much higher crysis 3 framerate | 13.1 fps | vs | 6.3 fps | More than 2x higher crysis 3 framerate | |||
| More texture mapping units | 56 | vs | 16 | 40 more texture mapping units | |||
| More shading units | 896 | vs | 384 | 512 more shading units | |||
| Significantly higher memory clock speed | 1,375 MHz | vs | 1,001 MHz | More than 35% higher memory clock speed | |||
| Higher pixel rate | 16 GPixel/s | vs | 8.23 GPixel/s | Around 95% higher pixel rate | |||
| More render output processors | 16 | vs | 8 | Twice as many render output processors | |||
| Wider memory bus | 128 bit | vs | 64 bit | 2x wider memory bus | |||
| Higher bioshock infinite framerate | 26.5 | vs | 13.55 | More than 95% higher bioshock infinite framerate | |||
| Higher BioShock infinite framerate | 26.5 fps | vs | 13.5 fps | More than 95% higher BioShock infinite framerate | |||
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| Higher clock speed | 1,029 MHz | vs | 900 MHz | Around 15% higher clock speed | |||
| Higher turbo clock speed | 1,124 MHz | vs | 1,000 MHz | More than 10% higher turbo clock speed | |||
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