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AMD Radeon R9 M270X

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Front view of Radeon R9 M270X

Differences What are the advantages of each

Front view of Radeon R9 M270X

Reasons to consider the
AMD Radeon R9 M270X

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Much better 3DMark vantage graphics score 28,000 vs 6,627 Around 4.2x better 3DMark vantage graphics score
Significantly higher effective memory clock speed 5,500 MHz vs 2,002 MHz Around 2.8x higher effective memory clock speed
Better PassMark score 1,450 vs 879 Around 65% better PassMark score
Higher memory bandwidth 88 GB/s vs 16.02 GB/s Around 5.5x higher memory bandwidth
Much better manhattan score 3,717.76 vs 1,855.62 More than 2x better manhattan score
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
Better floating-point performance 1,536 GFLOPS vs 790.3 GFLOPS Around 95% better floating-point performance
Significantly better particle simulation score 377.8 mInteraction/s vs 184.99 mInteraction/s More than 2x better particle simulation score
Higher texture rate 48 GTexel/s vs 16.46 GTexel/s Around 3x higher texture rate
More texture mapping units 48 vs 16 Three times as many texture mapping 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 shading units 768 vs 384 Twice as many shading units
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
Better PassMark direct compute score 1,062 vs 726 More than 45% better PassMark direct compute score
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
Slightly better 3DMark 11 graphics score 10,332 vs 8,520 More than 20% better 3DMark 11 graphics score
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 M270X vs GeForce 840M

Bitcoin mining Data courtesy CompuBench

Radeon R9 M270X
314.57 mHash/s
GeForce 840M
94.68 mHash/s

Face detection Data courtesy CompuBench

Radeon R9 M270X
63.98 mPixels/s
GeForce 840M
22.54 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon R9 M270X
1,314.72 frames/s
GeForce 840M
159.36 frames/s

Particle simulation Data courtesy CompuBench

Radeon R9 M270X
377.8 mInteraction/s
GeForce 840M
184.99 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

Radeon R9 M270X
6.37 frames/s
GeForce 840M
1.23 frames/s

Video composition Data courtesy CompuBench

Radeon R9 M270X
85.21 frames/s
GeForce 840M
21.01 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon R9 M270X
3,361.82
GeForce 840M
3,359.62

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon R9 M270X
3,717.76
GeForce 840M
1,855.62

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