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Differences What are the advantages of each

Front view of Radeon HD 6400

Reasons to consider the
AMD Radeon HD 6400

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Lower TDP 18W vs 60W 3.3x lower TDP
Front view of GeForce GTX 750 Ti

Reasons to consider the
Nvidia GeForce GTX 750 Ti

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Much higher effective memory clock speed 5,400 MHz vs 1,600 MHz Around 3.5x higher effective memory clock speed
Significantly higher clock speed 1,020 MHz vs 625 MHz Around 65% higher clock speed
Significantly higher memory bandwidth 86.4 GB/s vs 12.8 GB/s 6.8x higher memory bandwidth
Significantly higher texture rate 82.64 GTexel/s vs 5 GTexel/s More than 16.5x higher texture rate
Better floating-point performance 1,728 GFLOPS vs 200 GFLOPS Around 8.8x better floating-point performance
More memory 2,048 MB vs 512 MB 4x more memory
Much higher memory clock speed 1,502 MHz vs 800 MHz Around 90% higher memory clock speed
Higher pixel rate 16.32 GPixel/s vs 2.5 GPixel/s More than 6.5x higher pixel rate
More texture mapping units 40 vs 8 32 more texture mapping units
More render output processors 16 vs 4 12 more render output processors
More shading units 640 vs 160 480 more shading units
Better manhattan score 3,702.15 vs 803.03 More than 4.5x better manhattan score
Wider memory bus 128 bit vs 64 bit 2x wider memory bus

Benchmarks Real world tests of Radeon HD 6400 vs GeForce GTX 750 Ti

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Manhattan (GFXBench 3.0) Data courtesy CompuBench


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