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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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Significantly higher clock speed 1,000 MHz vs 810 MHz Around 25% higher clock speed
Higher effective memory clock speed 4,500 MHz vs 3,200 MHz More than 40% higher effective memory clock speed
Better floating-point performance 1,280 GFLOPS vs 311 GFLOPS More than 4x better floating-point performance
Higher pixel rate 16 GPixel/s vs 3.24 GPixel/s Around 5x higher pixel rate
Slightly higher memory bandwidth 72 GB/s vs 51.2 GB/s More than 40% higher memory bandwidth
Higher texture rate 40 GTexel/s vs 13 GTexel/s More than 3x higher texture rate
Higher memory clock speed 1,125 MHz vs 800 MHz More than 40% higher memory clock speed
More shading units 640 vs 96 544 more shading units
More render output processors 16 vs 4 12 more render output processors
Better particle simulation score 290.07 mInteraction/s vs 65.98 mInteraction/s Around 4.5x better particle simulation score
Slightly more texture mapping units 40 vs 16 24 more texture mapping units
Front view of GeForce GT 630

Reasons to consider the
EVGA GeForce GT 630

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Slightly lower TDP 65W vs 80W Around 20% lower TDP

Benchmarks Real world tests of Radeon HD 7770 vs GeForce GT 630

Bitcoin mining Data courtesy CompuBench

Radeon HD 7770
164.93 mHash/s
GeForce GT 630
20.5 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 7770
32.16 mPixels/s
GeForce GT 630
9.67 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 7770
506.71 frames/s
GeForce GT 630
145.72 frames/s

Particle simulation Data courtesy CompuBench

Radeon HD 7770
290.07 mInteraction/s
GeForce GT 630
65.98 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

Radeon HD 7770
3.07 frames/s
GeForce GT 630
0.63 frames/s

Video composition Data courtesy CompuBench

Radeon HD 7770
49.47 frames/s
GeForce GT 630
10.06 frames/s

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