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Differences What are the advantages of each

Front view of Radeon 3100 IGP

Reasons to consider the
ATi Radeon 3100 IGP

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GPUBoss is not aware of any important advantages of the ATi Radeon 3100 IGP vs the Nvidia GeForce 8400 GS.

Front view of GeForce 8400 GS

Reasons to consider the
Nvidia GeForce 8400 GS

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Higher clock speed 520 MHz vs 344 MHz More than 50% higher clock speed

Features Key features of the Radeon 3100 IGP  vs GeForce 8400 GS 

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

Radeon 3100 IGP
1.38 GPixel/s
GeForce 8400 GS
2.08 GPixel/s

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

Radeon 3100 IGP
1.38 GTexel/s
GeForce 8400 GS
4.16 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon 3100 IGP
27.52 GFLOPS
GeForce 8400 GS
39.36 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

render output processors GPU commponents responsible for transform pixels as they flow between memory buffers

Specifications Full list of technical specs


Radeon 3100 IGP  vs
GeForce 8400 GS 
GPU brand ATi Nvidia
GPU name RS780C GT218 B1
Clock speed 344 MHz 520 MHz
Is dual GPU No No
Reference card None None

raw performance

Radeon 3100 IGP  vs
GeForce 8400 GS 
Shading units 40 16
Texture mapping units 4 8
Render output processors 4 4
Pixel rate 1.38 GPixel/s 2.08 GPixel/s
Texture rate 1.38 GTexel/s 4.16 GTexel/s
Floating-point performance 27.52 GFLOPS 39.36 GFLOPS


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