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Differences What are the advantages of each

Front view of Radeon HD 8670

Reasons to consider the
AMD Radeon HD 8670

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Much higher clock speed 1,000 MHz vs 576 MHz Around 75% higher clock speed
Significantly higher effective memory clock speed 4,600 MHz vs 1,998 MHz More than 2.2x higher effective memory clock speed
More memory 2,048 MB vs 896 MB More than 2.2x more memory
Higher memory clock speed 1,150 MHz vs 999 MHz More than 15% higher memory clock speed
Lower TDP 75W vs 182W 2.4x lower TDP
Front view of GeForce GTX 260

Reasons to consider the
Nvidia GeForce GTX 260

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Higher memory bandwidth 111.9 GB/s vs 73.6 GB/s More than 50% higher memory bandwidth
More render output processors 28 vs 8 20 more render output processors
Slightly higher pixel rate 16.1 GPixel/s vs 8 GPixel/s More than 2x higher pixel rate
More texture mapping units 64 vs 24 40 more texture mapping units
Wider memory bus 448 bit vs 128 bit 3.5x wider memory bus

Features Key features of the Radeon HD 8670  vs GeForce GTX 260 

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

Radeon HD 8670
73.6 GB/s
GeForce GTX 260
111.9 GB/s

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

Radeon HD 8670
8 GPixel/s
GeForce GTX 260
16.1 GPixel/s

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

Radeon HD 8670
24 GTexel/s
GeForce GTX 260
36.9 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8670
GeForce GTX 260
476.9 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


Radeon HD 8670  vs
GeForce GTX 260 
GPU brand AMD Nvidia
GPU name Oland XT GT200
Market Desktop Desktop
Clock speed 1,000 MHz 576 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 384 192
Texture mapping units 24 64
Render output processors 8 28
Pixel rate 8 GPixel/s 16.1 GPixel/s
Texture rate 24 GTexel/s 36.9 GTexel/s
Floating-point performance 768 GFLOPS 476.9 GFLOPS


Radeon HD 8670  vs
GeForce GTX 260 
Memory clock speed 1,150 MHz 999 MHz
Effective memory clock speed 4,600 MHz 1,998 MHz
Memory bus 128 bit 448 bit
Memory 2,048 MB 896 MB
Memory type GDDR5 GDDR3
Memory bandwidth 73.6 GB/s 111.9 GB/s

noise and power

TDP 75W 182W


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