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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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Significantly higher memory bandwidth 112.9 GB/s vs 35.2 GB/s Around 3.2x higher memory bandwidth
More memory 1,792 MB vs 256 MB 7x more memory
Higher effective memory clock speed 2,016 MHz vs 1,100 MHz Around 85% higher effective memory clock speed
Slightly higher clock speed 518 MHz vs 450 MHz More than 15% higher clock speed
More texture mapping units 64 vs 16 48 more texture mapping units
Higher texture rate 33.15 GTexel/s vs 7.2 GTexel/s More than 4.5x higher texture rate
Significantly higher memory clock speed 1,008 MHz vs 550 MHz Around 85% higher memory clock speed
Significantly wider memory bus 448 bit vs 256 bit 75% wider memory bus
More render output processors 28 vs 16 12 more render output processors
Slightly higher pixel rate 14.5 GPixel/s vs 7.2 GPixel/s More than 2x higher pixel rate
Front view of GeForce 6800 Ultra Extreme AGP

Reasons to consider the
Nvidia GeForce 6800 Ultra Extreme AGP

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GPUBoss is not aware of any important advantages of the GeForce 6800 Ultra Extreme AGP vs the GeForce GTX 260.

Features Key features of the GeForce GTX 260  vs 6800 Ultra Extreme AGP 

effective memory clock speed Frequency at which memory can be read from and written to

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

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

GeForce GTX 260
14.5 GPixel/s

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

GeForce GTX 260
33.15 GTexel/s

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

render output processors GPU commponents responsible for transform pixels as they flow between memory buffers

Specifications Full list of technical specs

gpu

GeForce GTX 260  vs
6800 Ultra Extreme AGP 
GPU brand Nvidia Nvidia
GPU name GT200B NV40
Market Desktop Desktop
Clock speed 518 MHz 450 MHz
Is dual GPU No No
Reference card Nvidia GeForce GTX 260 576 MHz 896 MB None

raw performance

Texture mapping units 64 16
Render output processors 28 16
Pixel rate 14.5 GPixel/s 7.2 GPixel/s
Texture rate 33.15 GTexel/s 7.2 GTexel/s

memory

GeForce GTX 260  vs
6800 Ultra Extreme AGP 
Memory clock speed 1,008 MHz 550 MHz
Effective memory clock speed 2,016 MHz 1,100 MHz
Memory bus 448 bit 256 bit
Memory 1,792 MB 256 MB
Memory type GDDR3 GDDR3
Memory bandwidth 112.9 GB/s 35.2 GB/s

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