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AMD Radeon R9 M275

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Front view of Radeon R9 M275

Differences What are the advantages of each

Front view of Radeon R9 M275

Reasons to consider the
AMD Radeon R9 M275

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Better PassMark score 1,498 vs 879 More than 70% better PassMark score
Higher effective memory clock speed 4,000 MHz vs 2,002 MHz Around 2x higher effective memory clock speed
Higher memory bandwidth 64 GB/s vs 16.02 GB/s Around 4x higher memory bandwidth
More memory 2,048 MB vs 1,024 MB 2x more memory
Better 3DMark06 score 3,261 vs 2,338 Around 40% better 3DMark06 score
Higher texture rate 37 GTexel/s vs 16.46 GTexel/s Around 2.2x higher texture rate
Slightly higher pixel rate 14.8 GPixel/s vs 8.23 GPixel/s Around 80% higher pixel rate
More texture mapping units 40 vs 16 24 more texture mapping units
Better PassMark direct compute score 1,427 vs 726 More than 95% better PassMark direct compute score
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
More shading units 640 vs 384 256 more shading units
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 925 MHz More than 20% higher turbo clock speed

Benchmarks Real world tests of Radeon R9 M275 vs GeForce 840M

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

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

3DMark06 Industry standard benchmark that tests DirectX 9 GPU performance

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

Radeon R9 M275
14.4 fps
GeForce 840M
13.5 fps

PassMark Direct Compute Measures performance of general-purpose computing using Microsoft DirectCompute

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