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Differences What are the advantages of each

Front view of Radeon HD 5770

Reasons to consider the
ATi Radeon HD 5770

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Much higher effective memory clock speed 4,800 MHz vs 2,268 MHz More than 2x higher effective memory clock speed
Higher clock speed 850 MHz vs 633 MHz Around 35% higher clock speed
Better floating-point performance 1,360 GFLOPS vs 673.9 GFLOPS More than 2x better floating-point performance
More shading units 800 vs 240 560 more shading units
Significantly lower TDP 108W vs 219W 2x lower TDP
Front view of GeForce GTX 275

Reasons to consider the
Nvidia GeForce GTX 275

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Higher memory bandwidth 127 GB/s vs 76.8 GB/s More than 65% higher memory bandwidth
Much wider memory bus 448 bit vs 128 bit 3.5x wider memory bus
More texture mapping units 80 vs 40 Twice as many texture mapping units
More render output processors 28 vs 16 12 more render output processors
Slightly higher texture rate 50.64 GTexel/s vs 34 GTexel/s Around 50% higher texture rate

Benchmarks Real world tests of Radeon HD 5770 vs GeForce GTX 275

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 5770
3,353.2
GeForce GTX 275
3,195.46

Cloud Gate Factor Data courtesy FutureMark

Reviews Word on the street

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