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Differences What are the advantages of each

Front view of Radeon HD 6970

Reasons to consider the
AMD Radeon HD 6970

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Higher effective memory clock speed 5,500 MHz vs 4,800 MHz Around 15% higher effective memory clock speed
Higher memory bandwidth 176 GB/s vs 153.6 GB/s Around 15% higher memory bandwidth
Slightly higher texture rate 84.48 GTexel/s vs 68 GTexel/s Around 25% higher texture rate
More texture mapping units 96 vs 80 16 more texture mapping units
Higher memory clock speed 1,375 MHz vs 1,200 MHz Around 15% higher memory clock speed
Slightly more compute units 24 vs 20 4 more compute units
Front view of Radeon HD 5870 Eyefinity 6

Reasons to consider the
ATi Radeon HD 5870 Eyefinity 6

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Lower TDP 228W vs 250W Around 10% lower TDP

Features Key features of the Radeon HD 6970  vs 5870 Eyefinity 6 

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

Radeon HD 6970
28.16 GPixel/s

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

Radeon HD 6970
84.48 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6970
2,703 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 6970  vs
5870 Eyefinity 6 
GPU name Cayman XT Cypress
Market Desktop Desktop
Clock speed 880 MHz 850 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 1,536 1,600
Texture mapping units 96 80
Render output processors 32 32
Compute units 24 20
Pixel rate 28.16 GPixel/s 27.2 GPixel/s
Texture rate 84.48 GTexel/s 68 GTexel/s
Floating-point performance 2,703 GFLOPS 2,720 GFLOPS


Radeon HD 6970  vs
5870 Eyefinity 6 
Memory clock speed 1,375 MHz 1,200 MHz
Effective memory clock speed 5,500 MHz 4,800 MHz
Memory bus 256 bit 256 bit
Memory 2,048 MB 2,048 MB
Memory type GDDR5 GDDR5
Memory bandwidth 176 GB/s 153.6 GB/s

noise and power

TDP 250W 228W


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