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Differences What are the advantages of each

Front view of GeForce GTX 260

Reasons to consider the
Nvidia GeForce GTX 260

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Higher memory bandwidth 112.9 GB/s vs 22.4 GB/s More than 5x higher memory bandwidth
Slightly higher clock speed 518 MHz vs 450 MHz More than 15% higher clock speed
More render output processors 28 vs 8 20 more render output processors
Slightly higher effective memory clock speed 2,016 MHz vs 1,400 MHz Around 45% higher effective memory clock speed
More texture mapping units 64 vs 16 48 more texture mapping units
Higher pixel rate 14.5 GPixel/s vs 3.6 GPixel/s More than 4x higher pixel rate
Slightly higher texture rate 33.15 GTexel/s vs 7.2 GTexel/s More than 4.5x higher texture rate
Higher memory clock speed 1,008 MHz vs 700 MHz Around 45% higher memory clock speed
Wider memory bus 448 bit vs 128 bit 3.5x wider memory bus
Front view of GeForce GT 325M

Reasons to consider the
Nvidia GeForce GT 325M

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Much lower TDP 23W vs 182W 7.9x lower TDP

Features Key features of the GeForce GTX 260  vs GT 325M 

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

GeForce GTX 260
112.9 GB/s
GeForce GT 325M
22.4 GB/s

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

GeForce GTX 260
14.5 GPixel/s
GeForce GT 325M
3.6 GPixel/s

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

GeForce GTX 260
33.15 GTexel/s
GeForce GT 325M
7.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GTX 260
414.7 GFLOPS
GeForce GT 325M
95.04 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 GTX 260  vs
GT 325M 
GPU brand Nvidia Nvidia
GPU name GT200B GT216
Market Desktop Laptop
Clock speed 518 MHz 450 MHz
Is dual GPU No No
Reference card Nvidia GeForce GTX 260 576 MHz 896 MB None

raw performance

Shading units 192 48
Texture mapping units 64 16
Render output processors 28 8
Pixel rate 14.5 GPixel/s 3.6 GPixel/s
Texture rate 33.15 GTexel/s 7.2 GTexel/s
Floating-point performance 414.7 GFLOPS 95.04 GFLOPS

memory

GeForce GTX 260  vs
GT 325M 
Memory clock speed 1,008 MHz 700 MHz
Effective memory clock speed 2,016 MHz 1,400 MHz
Memory bus 448 bit 128 bit
Memory 1,792 MB 1,024 MB
Memory type GDDR3 DDR3
Memory bandwidth 112.9 GB/s 22.4 GB/s

noise and power

TDP 182W 23W

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