GPUBoss Review Our evaluation of R7 Graphics vs 3870 X2 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 R7 Graphics 

GPUBoss recommends the AMD Radeon R7 Graphics  based on its .

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VS

Differences What are the advantages of each

Front view of Radeon R7 Graphics

Reasons to consider the
AMD Radeon R7 Graphics

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Significantly lower TDP 15W vs 165W 11x lower TDP
Front view of Radeon HD 3870 X2

Reasons to consider the
ATi Radeon HD 3870 X2

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Is dual GPU Yes vs No About half of graphics cards are dual GPU
Higher clock speed 825 MHz vs 720 MHz Around 15% higher clock speed
Higher pixel rate 26.4 GPixel/s vs 7.84 GPixel/s More than 3.2x higher pixel rate
More render output processors 32 vs 8 24 more render output processors

Benchmarks Real world tests of Radeon R7 Graphics vs HD 3870 X2

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Features Key features of the Radeon R7 Graphics  vs HD 3870 X2 

pixel rate Number of pixels a graphics card can render to the screen every second

Radeon R7 Graphics
7.84 GPixel/s
Radeon HD 3870 X2
26.4 GPixel/s

texture rate Speed at which a graphics card can perform texture mapping

Radeon R7 Graphics
31.36 GTexel/s
Radeon HD 3870 X2
26.4 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R7 Graphics
1,003.5 GFLOPS
Radeon HD 3870 X2
1,056 GFLOPS

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

compute units Discrete cores within the GPU

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