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Differences What are the advantages of each

Front view of Radeon HD 8510

Reasons to consider the
AMD Radeon HD 8510

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Significantly lower TDP 39W vs 130W 3.3x lower TDP
Front view of Radeon HD 7850

Reasons to consider the
AMD Radeon HD 7850

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Much higher effective memory clock speed 4,800 MHz vs 1,000 MHz More than 4.8x higher effective memory clock speed
Much higher memory bandwidth 153.6 GB/s vs 16 GB/s More than 9.5x higher memory bandwidth
Higher clock speed 860 MHz vs 650 MHz More than 30% higher clock speed
Better floating-point performance 1,761.3 GFLOPS vs 520 GFLOPS Around 3.5x better floating-point performance
Higher pixel rate 27.52 GPixel/s vs 5.2 GPixel/s More than 5.2x higher pixel rate
More memory 2,048 MB vs 1,024 MB 2x more memory
Higher texture rate 55 GTexel/s vs 13 GTexel/s Around 4.2x higher texture rate
Significantly more render output processors 32 vs 8 24 more render output processors
Much higher memory clock speed 1,200 MHz vs 500 MHz Around 2.5x higher memory clock speed
More texture mapping units 64 vs 20 44 more texture mapping units
More shading units 1,024 vs 400 624 more shading units
More compute units 16 vs 5 11 more compute units
Wider memory bus 256 bit vs 128 bit 2x wider memory bus

Features Key features of the Radeon HD 8510  vs 7850 

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

Radeon HD 8510
16 GB/s
Radeon HD 7850
153.6 GB/s

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

Radeon HD 8510
5.2 GPixel/s
Radeon HD 7850
27.52 GPixel/s

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

Radeon HD 8510
13 GTexel/s
Radeon HD 7850
55 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8510
520 GFLOPS
Radeon HD 7850
1,761.3 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

gpu

Radeon HD 8510  vs
7850 
GPU brand AMD AMD
GPU name Redwood Pitcairn PRO
Market Desktop Desktop
Clock speed 650 MHz 860 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 400 1,024
Texture mapping units 20 64
Render output processors 8 32
Compute units 5 16
Pixel rate 5.2 GPixel/s 27.52 GPixel/s
Texture rate 13 GTexel/s 55 GTexel/s
Floating-point performance 520 GFLOPS 1,761.3 GFLOPS

memory

Radeon HD 8510  vs
7850 
Memory clock speed 500 MHz 1,200 MHz
Effective memory clock speed 1,000 MHz 4,800 MHz
Memory bus 128 bit 256 bit
Memory 1,024 MB 2,048 MB
Memory type GDDR3 GDDR5
Memory bandwidth 16 GB/s 153.6 GB/s

noise and power

TDP 39W 130W

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