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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 3,213 GFLOPS Around 30% better floating-point performance
More memory 3,072 MB vs 2,048 MB 50% more memory
More shading units 2,304 vs 1,536 768 more shading units
More render output processors 48 vs 32 16 more render output processors
Slightly higher memory bandwidth 240 GB/s vs 224 GB/s More than 5% higher memory bandwidth
Higher pixel rate 43.2 GPixel/s vs 33.5 GPixel/s Around 30% higher pixel rate
Wider memory bus 384 bit vs 256 bit 50% wider memory bus
More texture mapping units 144 vs 128 16 more texture mapping units
Front view of GeForce GTX 770

Reasons to consider the
Nvidia GeForce GTX 770

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Significantly better PassMark score 6,099 vs 3,120 More than 95% 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 1,046 MHz vs 900 MHz More than 15% higher clock speed
Significantly better ocean surface simulation score 1,631.29 frames/s vs 795.33 frames/s More than 2x better ocean surface simulation score
Significantly higher memory clock speed 1,753 MHz vs 1,250 MHz More than 40% higher memory clock speed
Better PassMark direct compute score 3,083 vs 1,741 More than 75% better PassMark direct compute score

Benchmarks Real world tests of Radeon HD 8950 vs GeForce GTX 770

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 770
112.94 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 8950
40.31 mPixels/s
GeForce GTX 770
50.95 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 8950
795.33 frames/s
GeForce GTX 770
1,631.29 frames/s

Particle simulation Data courtesy CompuBench

Radeon HD 8950
321.98 mInteraction/s
GeForce GTX 770
480.54 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

Radeon HD 8950
3.33 frames/s
GeForce GTX 770
3.87 frames/s

Video composition Data courtesy CompuBench

Radeon HD 8950
64.21 frames/s
GeForce GTX 770
83.26 frames/s

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

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