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AMD Radeon HD 7770

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Front view of Radeon HD 7770

Differences What are the advantages of each

Front view of Radeon HD 7770

Reasons to consider the
AMD Radeon HD 7770

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Higher clock speed 1,000 MHz vs 800 MHz 25% higher clock speed
Slightly better PassMark score 2,174 vs 1,398 More than 55% better PassMark score
Slightly better floating-point performance 1,280 GFLOPS vs 614.4 GFLOPS More than 2x better floating-point performance
Higher pixel rate 16 GPixel/s vs 6.4 GPixel/s Around 2.5x higher pixel rate
Slightly higher texture rate 40 GTexel/s vs 19.2 GTexel/s More than 2x higher texture rate
More render output processors 16 vs 8 Twice as many render output processors
Slightly more shading units 640 vs 384 256 more shading units
Slightly more texture mapping units 40 vs 24 16 more texture mapping units
Better CLBenchmark raytrace score 105,396 vs 56,993 Around 85% better CLBenchmark raytrace score
Front view of Radeon HD 7730

Reasons to consider the
AMD Radeon HD 7730

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Lower TDP 47W vs 80W More than 40% lower TDP

Benchmarks Real world tests of Radeon HD 7770 vs 7730

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

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

CLBenchmark Raytrace Measures compute performance using OpenCL to do raytracing

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