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Differences What are the advantages of each

Front view of GeForce GT 8800

Reasons to consider the
ASUS GeForce GT 8800

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Higher clock speed 700 MHz vs 475 MHz More than 45% higher clock speed
Higher memory bandwidth 64.6 GB/s vs 12.64 GB/s More than 5x higher memory bandwidth
Higher texture rate 39.2 GTexel/s vs 7.6 GTexel/s Around 5.2x higher texture rate
Higher effective memory clock speed 2,020 MHz vs 1,580 MHz Around 30% higher effective memory clock speed
More texture mapping units 56 vs 16 40 more texture mapping units
Significantly wider memory bus 256 bit vs 64 bit 4x wider memory bus
Slightly higher pixel rate 11.2 GPixel/s vs 3.8 GPixel/s Around 3x higher pixel rate
More render output processors 16 vs 8 Twice as many render output processors
Higher memory clock speed 1,010 MHz vs 790 MHz Around 30% higher memory clock speed
Front view of GeForce 315

Reasons to consider the
Nvidia GeForce 315

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Significantly lower TDP 33W vs 125W 3.8x lower TDP

Benchmarks Real world tests of GeForce GT 8800 vs 315

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the GeForce GT 8800  vs 315 

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

GeForce GT 8800
64.6 GB/s
GeForce 315
12.64 GB/s

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

GeForce GT 8800
11.2 GPixel/s
GeForce 315
3.8 GPixel/s

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

GeForce GT 8800
39.2 GTexel/s
GeForce 315
7.6 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GT 8800
392 GFLOPS
GeForce 315
105.6 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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