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Differences What are the advantages of each

Front view of GeForce GTX 750

Reasons to consider the
Nvidia GeForce GTX 750

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Much higher effective memory clock speed 5,012 MHz vs 1,200 MHz Around 4.2x higher effective memory clock speed
Significantly better PassMark score 3,277 vs 191 Around 17.2x better PassMark score
Significantly higher clock speed 1,020 MHz vs 589 MHz Around 75% higher clock speed
Significantly higher memory bandwidth 80.2 GB/s vs 9.6 GB/s More than 8.2x higher memory bandwidth
Better floating-point performance 1,044.5 GFLOPS vs 44.86 GFLOPS More than 23.2x better floating-point performance
Much higher memory clock speed 1,253 MHz vs 600 MHz More than 2x higher memory clock speed
Higher pixel rate 16.32 GPixel/s vs 2.36 GPixel/s Around 7x higher pixel rate
Higher texture rate 32.6 GTexel/s vs 4.71 GTexel/s Around 7x higher texture rate
More render output processors 16 vs 4 12 more render output processors
More shading units 512 vs 16 496 more shading units
More texture mapping units 32 vs 8 24 more texture mapping units
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Front view of GeForce 505

Reasons to consider the
Nvidia GeForce 505

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Lower TDP 25W vs 55W 2.2x lower TDP

Benchmarks Real world tests of GeForce GTX 750 vs 505

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the GeForce GTX 750  vs 505 

memory bandwidth Rate at which data can be read from or stored in onboard memory

GeForce GTX 750
80.2 GB/s
GeForce 505
9.6 GB/s

pixel rate Number of pixels a graphics card can render to the screen every second

GeForce GTX 750
16.32 GPixel/s
GeForce 505
2.36 GPixel/s

texture rate Speed at which a graphics card can perform texture mapping

GeForce GTX 750
32.6 GTexel/s
GeForce 505
4.71 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GTX 750
1,044.5 GFLOPS
GeForce 505
44.86 GFLOPS

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

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