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AMD Radeon R9 M280X

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Front view of Radeon R9 M280X

Differences What are the advantages of each

Front view of Radeon R9 M280X

Reasons to consider the
AMD Radeon R9 M280X

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Significantly more memory 4,096 MB vs 1,024 MB 4x more memory
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
Front view of GeForce 840M

Reasons to consider the
Nvidia GeForce 840M

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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

Benchmarks Real world tests of Radeon R9 M280X vs GeForce 840M

3DMark 11 Graphics Industry standard benchmark that tests DirectX 11 GPU performance

Battlefield 4

Bioshock Infinite

Crysis 3

Metro: Last Light

BioShock Infinite 1920 x 1080 - Ultra preset + DX11 (DDOF)

Radeon R9 M280X
26.5 fps
GeForce 840M
13.5 fps

Crysis 3 1920 x 1080 - Very High preset + 16xAF + 2xSMAA

Radeon R9 M280X
13.1 fps
GeForce 840M
6.3 fps


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