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Differences What are the advantages of each

Front view of Radeon HD 7790

Reasons to consider the
AMD Radeon HD 7790

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Much better manhattan score 3,717.87 vs -1 More than 371875% better manhattan score
Significantly higher clock speed 1,000 MHz vs 750 MHz Around 35% higher clock speed
Much higher effective memory clock speed 6,000 MHz vs 1,600 MHz 3.8x higher effective memory clock speed
Better PassMark score 2,992 vs 548 Around 5.5x better PassMark score
Higher memory bandwidth 96 GB/s vs 25.6 GB/s 3.8x higher memory bandwidth
Better floating-point performance 1,792 GFLOPS vs 480 GFLOPS Around 3.8x better floating-point performance
Higher texture rate 56 GTexel/s vs 24 GTexel/s More than 2.2x higher texture rate
Much higher memory clock speed 1,500 MHz vs 800 MHz Around 90% higher memory clock speed
Higher pixel rate 16 GPixel/s vs 6 GPixel/s Around 2.8x higher pixel rate
More shading units 896 vs 320 576 more shading units
More compute units 14 vs 4 10 more compute units
Slightly more texture mapping units 56 vs 32 24 more texture mapping units
Slightly more render output processors 16 vs 8 Twice as many render output processors
Front view of Radeon HD 4670

Reasons to consider the
ATi Radeon HD 4670

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Slightly lower TDP 59W vs 85W More than 30% lower TDP

Benchmarks Real world tests of Radeon HD 7790 vs 4670

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

GFXBench 3.0 (T-Rex)

Radeon HD 7790
Radeon HD 4670

GFXBench 3.0 (Manhattan)


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