GPUBoss Review Our evaluation of 970 vs 840A 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

7.2

Overall Score

Winner
Nvidia GeForce GTX 970 

GPUBoss recommends the Nvidia GeForce GTX 970  based on its benchmarks.

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VS

Differences What are the advantages of each

Front view of GeForce GTX 970

Reasons to consider the
Nvidia GeForce GTX 970

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Much better PassMark score 8,563 vs 873 More than 9.8x better PassMark score
Much higher effective memory clock speed 7,012 MHz vs 2,002 MHz More than 3.5x higher effective memory clock speed
Significantly higher memory bandwidth 224.4 GB/s vs 16.02 GB/s More than 14x higher memory bandwidth
Significantly higher pixel rate 58.8 GPixel/s vs 8.23 GPixel/s Around 7.2x higher pixel rate
More memory 4,096 MB vs 1,024 MB 4x more memory
Better floating-point performance 3,494 GFLOPS vs 790.3 GFLOPS Around 4.5x better floating-point performance
Many more render output processors 56 vs 8 48 more render output processors
Higher texture rate 109.2 GTexel/s vs 16.46 GTexel/s Around 6.8x higher texture rate
Significantly more texture mapping units 104 vs 16 88 more texture mapping units
Significantly more shading units 1,664 vs 384 1280 more shading units
Much higher memory clock speed 1,753 MHz vs 1,001 MHz More than 75% higher memory clock speed
Wider memory bus 256 bit vs 64 bit 4x wider memory bus
Front view of GeForce 840A

Reasons to consider the
Nvidia GeForce 840A

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Significantly lower TDP 33W vs 148W 4.5x lower TDP

Benchmarks Real world tests of GeForce GTX 970 vs 840A

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

T-Rex (GFXBench 3.0) Data courtesy CompuBench

GeForce GTX 970
3,358.38
GeForce 840A
3,360.38

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce GTX 970
3,715.92
GeForce 840A
3,613.42

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