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Differences What are the advantages of each

Front view of Radeon HD 8470D IGP

Reasons to consider the
IGP Radeon HD 8470D IGP

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Significantly lower TDP 65W vs 188W 2.9x lower TDP
Front view of Radeon HD 5870

Reasons to consider the
PowerColor Radeon HD 5870

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Better floating-point performance 2,800 GFLOPS vs 307.2 GFLOPS More than 9x better floating-point performance
Higher pixel rate 28 GPixel/s vs 3.2 GPixel/s 8.8x higher pixel rate
Slightly higher clock speed 875 MHz vs 800 MHz Around 10% higher clock speed
Significantly more shading units 1,600 vs 192 1408 more shading units
Higher texture rate 70 GTexel/s vs 9.6 GTexel/s More than 7.2x higher texture rate
Significantly more render output processors 32 vs 4 28 more render output processors
More texture mapping units 80 vs 12 68 more texture mapping units
More compute units 20 vs 3 17 more compute units

Features Key features of the Radeon HD 8470D IGP  vs 5870 

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

Radeon HD 8470D IGP
3.2 GPixel/s
Radeon HD 5870
28 GPixel/s

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

Radeon HD 8470D IGP
9.6 GTexel/s
Radeon HD 5870
70 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8470D IGP
307.2 GFLOPS
Radeon HD 5870
2,800 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

compute units Discrete cores within the GPU

Specifications Full list of technical specs

gpu

Radeon HD 8470D IGP  vs
5870 
GPU brand AMD ATI
GPU name Scrapper Cypress
Clock speed 800 MHz 875 MHz
Is dual GPU No No
Reference card None ATi Radeon HD 5870 850 MHz 1 GB

noise and power

TDP 65W 188W

raw performance

Radeon HD 8470D IGP  vs
5870 
Shading units 192 1,600
Texture mapping units 12 80
Render output processors 4 32
Compute units 3 20
Pixel rate 3.2 GPixel/s 28 GPixel/s
Texture rate 9.6 GTexel/s 70 GTexel/s
Floating-point performance 307.2 GFLOPS 2,800 GFLOPS

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