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Differences What are the advantages of each

Front view of GeForce GT 320M

Reasons to consider the
Nvidia GeForce GT 320M

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Lower TDP 23W vs 105W 4.6x lower TDP
Front view of GeForce 8800 GS Mac

Reasons to consider the
Nvidia GeForce 8800 GS Mac

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More texture mapping units 32 vs 8 24 more texture mapping units
More render output processors 16 vs 8 Twice as many render output processors

Features Key features of the GeForce GT 320M  vs 8800 GS Mac 

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

GeForce GT 320M
25.28 GB/s
GeForce 8800 GS Mac
51.14 GB/s

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

GeForce GT 320M
4 GPixel/s
GeForce 8800 GS Mac
8 GPixel/s

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

GeForce GT 320M
4 GTexel/s
GeForce 8800 GS Mac
16 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GT 320M
52.8 GFLOPS
GeForce 8800 GS Mac
160 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

Specifications Full list of technical specs

gpu

GeForce GT 320M  vs
8800 GS Mac 
GPU brand Nvidia Nvidia
GPU name GT216 G92
Market Laptop Desktop
Clock speed 500 MHz 500 MHz
Is dual GPU No No
Reference card Nvidia GeForce GT 320M 500 MHz 512 MB None

raw performance

Shading units 24 64
Texture mapping units 8 32
Render output processors 8 16
Pixel rate 4 GPixel/s 8 GPixel/s
Texture rate 4 GTexel/s 16 GTexel/s
Floating-point performance 52.8 GFLOPS 160 GFLOPS

memory

GeForce GT 320M  vs
8800 GS Mac 
Memory clock speed 790 MHz 799 MHz
Effective memory clock speed 1,580 MHz 1,598 MHz
Memory bus 128 bit 256 bit
Memory 1,024 MB 512 MB
Memory type DDR3 GDDR3
Memory bandwidth 25.28 GB/s 51.14 GB/s

noise and power

TDP 23W 105W

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