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Differences What are the advantages of each

Front view of Radeon HD 8950

Reasons to consider the
AMD Radeon HD 8950

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Better floating-point performance 4,147 GFLOPS vs 3,494 GFLOPS Around 20% better floating-point performance
More shading units 2,304 vs 1,664 640 more shading units
More texture mapping units 144 vs 104 40 more texture mapping units
Slightly higher memory bandwidth 240 GB/s vs 224.4 GB/s More than 5% higher memory bandwidth
Higher texture rate 129.6 GTexel/s vs 109.2 GTexel/s Around 20% higher texture rate
Wider memory bus 384 bit vs 256 bit 50% wider memory bus
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 3,120 Around 2.8x better PassMark score
Significantly higher effective memory clock speed 7,012 MHz vs 5,000 MHz More than 40% higher effective memory clock speed
Higher clock speed 1,050 MHz vs 900 MHz More than 15% higher clock speed
Much better T-Rex score 8.69 frames/s vs 3.33 frames/s More than 2.5x better T-Rex score
More memory 4,096 MB vs 3,072 MB Around 35% more memory
Higher pixel rate 58.8 GPixel/s vs 43.2 GPixel/s More than 35% higher pixel rate
Significantly better PassMark direct compute score 4,375 vs 1,741 More than 2.5x better PassMark direct compute score
Significantly higher memory clock speed 1,753 MHz vs 1,250 MHz More than 40% higher memory clock speed
More render output processors 56 vs 48 8 more render output processors

Benchmarks Real world tests of Radeon HD 8950 vs GeForce GTX 970

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Bitcoin mining Data courtesy CompuBench

Radeon HD 8950
181.51 mHash/s
GeForce GTX 970
212.39 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 8950
40.31 mPixels/s
GeForce GTX 970
105.04 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 8950
795.33 frames/s
GeForce GTX 970
1,225.93 frames/s

Particle simulation Data courtesy CompuBench

Radeon HD 8950
321.98 mInteraction/s
GeForce GTX 970
1,017.16 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

Radeon HD 8950
3.33 frames/s
GeForce GTX 970
8.69 frames/s

Video composition Data courtesy CompuBench

Radeon HD 8950
64.21 frames/s
GeForce GTX 970
36.64 frames/s

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

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