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Differences What are the advantages of each

Front view of Radeon R9 270X

Reasons to consider the
AMD Radeon R9 270X

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Higher clock speed 1,000 MHz vs 720 MHz Around 40% higher clock speed
Better floating-point performance 2,688 GFLOPS vs 553 GFLOPS More than 4.8x better floating-point performance
Higher pixel rate 33.6 GPixel/s vs 5.76 GPixel/s More than 5.8x higher pixel rate
Higher texture rate 84 GTexel/s vs 17.3 GTexel/s More than 4.8x 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
Higher turbo clock speed 1,050 MHz vs 844 MHz Around 25% higher turbo clock speed
More compute units 20 vs 4 16 more compute units
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 180W 2.8x lower TDP

Features Key features of the Radeon R9 270X  vs HD 8650D IGP 

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

Radeon R9 270X
33.6 GPixel/s
Radeon HD 8650D IGP
5.76 GPixel/s

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

Radeon R9 270X
84 GTexel/s
Radeon HD 8650D IGP
17.3 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R9 270X
2,688 GFLOPS
Radeon HD 8650D IGP
553 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 R9 270X  vs
HD 8650D IGP 
GPU brand AMD AMD
GPU name Curacao Scrapper
Clock speed 1,000 MHz 720 MHz
Turbo clock speed 1,050 MHz 844 MHz
Is dual GPU No No
Reference card None None

noise and power

TDP 180W 65W

raw performance

Radeon R9 270X  vs
HD 8650D IGP 
Shading units 1,280 384
Texture mapping units 80 24
Render output processors 32 8
Compute units 20 4
Pixel rate 33.6 GPixel/s 5.76 GPixel/s
Texture rate 84 GTexel/s 17.3 GTexel/s
Floating-point performance 2,688 GFLOPS 553 GFLOPS

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