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Differences What are the advantages of each

Front view of Radeon HD 8530M

Reasons to consider the
AMD Radeon HD 8530M

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More shading units 384 vs 96 288 more shading units
Front view of GeForce 820M

Reasons to consider the
Nvidia GeForce 820M

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GPUBoss is not aware of any important advantages of the Nvidia GeForce 820M vs the AMD Radeon HD 8530M.

Features Key features of the Radeon HD 8530M  vs GeForce 820M 

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

Radeon HD 8530M
14.4 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 8530M
5.6 GPixel/s
GeForce 820M
2.5 GPixel/s

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

Radeon HD 8530M
16.8 GTexel/s
GeForce 820M
10 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8530M
537.6 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 8530M  vs
GeForce 820M 
GPU brand AMD Nvidia
GPU name Mars GF117
Market Laptop Laptop
Clock speed 650 MHz 625 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 384 96
Texture mapping units 24 16
Render output processors 8 8
Pixel rate 5.6 GPixel/s 2.5 GPixel/s
Texture rate 16.8 GTexel/s 10 GTexel/s
Floating-point performance 537.6 GFLOPS 240 GFLOPS

memory

Radeon HD 8530M  vs
GeForce 820M 
Memory clock speed 900 MHz 900 MHz
Effective memory clock speed 1,800 MHz 1,800 MHz
Memory bus 64 bit 64 bit
Memory 1,024 MB 1,024 MB
Memory type DDR3 DDR3
Memory bandwidth 14.4 GB/s 14.4 GB/s

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