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Differences What are the advantages of each

Front view of GeForce GT 730

Reasons to consider the
Nvidia GeForce GT 730

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Much higher effective memory clock speed 5,012 MHz vs 1,020 MHz Around 5x higher effective memory clock speed
Significantly higher clock speed 902 MHz vs 500 MHz More than 80% higher clock speed
Much higher memory clock speed 1,253 MHz vs 510 MHz Around 2.5x higher memory clock speed
Higher memory bandwidth 40.1 GB/s vs 16.32 GB/s Around 2.5x higher memory bandwidth
Slightly more memory 1,024 MB vs 256 MB 4x more memory
Slightly better floating-point performance 692.7 GFLOPS vs 240 GFLOPS Around 3x better floating-point performance
Better cloud gate factor score 9.48 vs 6.8 Around 40% better cloud gate factor score
More shading units 384 vs 96 288 more shading units
Lower TDP 38W vs 75W Around 50% lower TDP
Front view of GeForce GT 330

Reasons to consider the
Nvidia GeForce GT 330

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More texture mapping units 48 vs 16 Three times as many texture mapping units
More render output processors 16 vs 8 Twice as many render output processors
Wider memory bus 128 bit vs 64 bit 2x wider memory bus

Benchmarks Real world tests of GeForce GT 730 vs 330

Cloud Gate Factor Data courtesy FutureMark

Features Key features of the GeForce GT 730  vs 330 

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

GeForce GT 730
40.1 GB/s
GeForce GT 330
16.32 GB/s

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

GeForce GT 730
7.22 GPixel/s
GeForce GT 330
8 GPixel/s

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

GeForce GT 730
14.43 GTexel/s
GeForce GT 330
24 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GT 730
692.7 GFLOPS
GeForce GT 330
240 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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