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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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More shading units 400 vs 48 352 more shading units
More texture mapping units 20 vs 4 16 more texture mapping units
Front view of GeForce GT 420

Reasons to consider the
Nvidia GeForce GT 420

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Higher effective memory clock speed 1,800 MHz vs 1,000 MHz 80% higher effective memory clock speed
Significantly higher memory clock speed 900 MHz vs 500 MHz 80% higher memory clock speed

Features Key features of the Radeon HD 8510  vs GeForce GT 420 

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

Radeon HD 8510
16 GB/s
GeForce GT 420
28.8 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 GT 420
1.4 GPixel/s

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

Radeon HD 8510
13 GTexel/s
GeForce GT 420
2.8 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8510
GeForce GT 420
134.4 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


Radeon HD 8510  vs
GeForce GT 420 
GPU brand AMD Nvidia
GPU name Redwood GF108
Market Desktop Desktop
Clock speed 650 MHz 700 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 400 48
Texture mapping units 20 4
Render output processors 8 4
Pixel rate 5.2 GPixel/s 1.4 GPixel/s
Texture rate 13 GTexel/s 2.8 GTexel/s
Floating-point performance 520 GFLOPS 134.4 GFLOPS


Radeon HD 8510  vs
GeForce GT 420 
Memory clock speed 500 MHz 900 MHz
Effective memory clock speed 1,000 MHz 1,800 MHz
Memory bus 128 bit 128 bit
Memory 1,024 MB 1,048 MB
Memory type GDDR3 DDR3
Memory bandwidth 16 GB/s 28.8 GB/s

noise and power

TDP 39W 50W


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