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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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Slightly more shading units 400 vs 96 304 more shading units
Front view of GeForce 820M

Reasons to consider the
Nvidia GeForce 820M

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Higher effective memory clock speed 1,800 MHz vs 1,000 MHz 80% higher effective memory clock speed
Higher memory clock speed 900 MHz vs 500 MHz 80% higher memory clock speed
Lower TDP 15W vs 39W 2.6x lower TDP

Features Key features of the Radeon HD 8510  vs GeForce 820M 

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

Radeon HD 8510
16 GB/s
GeForce 820M
14.4 GB/s

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

Radeon HD 8510
5.2 GPixel/s
GeForce 820M
2.5 GPixel/s

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

Radeon HD 8510
13 GTexel/s
GeForce 820M
10 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8510
520 GFLOPS
GeForce 820M
240 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
GeForce 820M 
GPU brand AMD Nvidia
GPU name Redwood GF117
Market Desktop Laptop
Clock speed 650 MHz 625 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 400 96
Texture mapping units 20 16
Render output processors 8 8
Pixel rate 5.2 GPixel/s 2.5 GPixel/s
Texture rate 13 GTexel/s 10 GTexel/s
Floating-point performance 520 GFLOPS 240 GFLOPS

memory

Radeon HD 8510  vs
GeForce 820M 
Memory clock speed 500 MHz 900 MHz
Effective memory clock speed 1,000 MHz 1,800 MHz
Memory bus 128 bit 64 bit
Memory 1,024 MB 1,024 MB
Memory type GDDR3 DDR3
Memory bandwidth 16 GB/s 14.4 GB/s

noise and power

TDP 39W 15W

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