GPUBoss Review Our evaluation of R7 M340 vs 7870 among all GPUs

Gaming

Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

T-Rex, Manhattan, Cloud Gate Factor, Sky Diver Factor and 1 more

Computing

Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Noise and Power

TDP, Idle Power Consumption, Load Power Consumption and 2 more

6.3

Overall Score

Winner
AMD Radeon HD 7870 

GPUBoss recommends the AMD Radeon HD 7870  based on its gaming and benchmarks.

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VS
Front view of Radeon HD 7870

AMD Radeon HD 7870

GPUBoss Winner

Differences What are the advantages of each

Front view of Radeon R7 M340

Reasons to consider the
AMD Radeon R7 M340

Report a correction
Better 3DMark 11 graphics score 8,982 vs 6,194 More than 45% better 3DMark 11 graphics score
Front view of Radeon HD 7870

Reasons to consider the
AMD Radeon HD 7870

Report a correction
Much better 3DMark06 score 23,230 vs 2,151 More than 10.8x better 3DMark06 score
Significantly higher clock speed 1,000 MHz vs 620 MHz More than 60% higher clock speed
Significantly better PassMark score 4,339 vs 743 More than 5.8x better PassMark score
Significantly better 3DMark vantage graphics score 23,592 vs 4,606 More than 5x better 3DMark vantage graphics score
Significantly higher effective memory clock speed 4,800 MHz vs 2,000 MHz Around 2.5x higher effective memory clock speed
Significantly higher memory bandwidth 153.6 GB/s vs 16 GB/s More than 9.5x higher memory bandwidth
Much higher diablo III framerate 163.4 fps vs 33.5 fps Around 5x higher diablo III framerate
Better floating-point performance 2,560 GFLOPS vs 476.2 GFLOPS Around 5.5x better floating-point performance
Higher pixel rate 32 GPixel/s vs 4.96 GPixel/s Around 6.5x higher pixel rate
Higher texture rate 80 GTexel/s vs 14.9 GTexel/s More than 5.2x higher texture rate
More render output processors 32 vs 8 24 more render output processors
Slightly more memory 2,048 MB vs 1,024 MB 2x more memory
More shading units 1,280 vs 384 896 more shading units
More texture mapping units 80 vs 24 56 more texture mapping units
Significantly higher crysis 3 framerate 25.8 fps vs 5.1 fps More than 5x higher crysis 3 framerate
More compute units 20 vs 6 14 more compute units
Higher crysis 3 framerate 25.8 vs 5.1 More than 5x higher crysis 3 framerate
Better particle simulation score 292.57 mInteraction/s vs 126.23 mInteraction/s More than 2.2x better particle simulation score
Higher memory clock speed 1,200 MHz vs 1,000 MHz 20% higher memory clock speed
Wider memory bus 256 bit vs 64 bit 4x wider memory bus

Benchmarks Real world tests of Radeon R7 M340 vs HD 7870

Bitcoin mining Data courtesy CompuBench

Radeon R7 M340
74.21 mHash/s
Radeon HD 7870
294.21 mHash/s

Face detection Data courtesy CompuBench

Radeon R7 M340
15.23 mPixels/s
Radeon HD 7870
55.45 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon R7 M340
140.87 frames/s
Radeon HD 7870
1,221.5 frames/s

Particle simulation Data courtesy CompuBench

Radeon R7 M340
126.23 mInteraction/s
Radeon HD 7870
292.57 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

Radeon R7 M340
1.02 frames/s
Radeon HD 7870
5.9 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon R7 M340
3,357.94
Radeon HD 7870
3,352.76

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon R7 M340
3,670.11
Radeon HD 7870
3,714.8

Crysis 3

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