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Differences What are the advantages of each

Front view of Radeon HD 8650D IGP

Reasons to consider the
IGP Radeon HD 8650D IGP

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Significantly lower TDP 65W vs 175W 2.7x lower TDP
Front view of Radeon HD 7870

Reasons to consider the
AMD Radeon HD 7870

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Higher clock speed 1,000 MHz vs 720 MHz Around 40% higher clock speed
Better floating-point performance 2,560 GFLOPS vs 553 GFLOPS Around 4.8x better floating-point performance
Higher pixel rate 32 GPixel/s vs 5.76 GPixel/s More than 5.5x higher pixel rate
Higher texture rate 80 GTexel/s vs 17.3 GTexel/s More than 4.5x higher texture rate
More render output processors 32 vs 8 24 more render output processors
More shading units 1,280 vs 384 896 more shading units
More texture mapping units 80 vs 24 56 more texture mapping units
More compute units 20 vs 4 16 more compute units

Features Key features of the Radeon HD 8650D IGP  vs 7870 

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

Radeon HD 8650D IGP
5.76 GPixel/s
Radeon HD 7870
32 GPixel/s

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

Radeon HD 8650D IGP
17.3 GTexel/s
Radeon HD 7870
80 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8650D IGP
553 GFLOPS
Radeon HD 7870
2,560 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 8650D IGP  vs
7870 
GPU brand AMD AMD
GPU name Scrapper Pitcairn XT
Clock speed 720 MHz 1,000 MHz
Is dual GPU No No
Reference card None None

noise and power

TDP 65W 175W

raw performance

Radeon HD 8650D IGP  vs
7870 
Shading units 384 1,280
Texture mapping units 24 80
Render output processors 8 32
Compute units 4 20
Pixel rate 5.76 GPixel/s 32 GPixel/s
Texture rate 17.3 GTexel/s 80 GTexel/s
Floating-point performance 553 GFLOPS 2,560 GFLOPS

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