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Differences What are the advantages of each

Front view of Radeon HD 6330M

Reasons to consider the
AMD Radeon HD 6330M

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Higher effective memory clock speed 1,600 MHz vs 800 MHz 2x higher effective memory clock speed
Higher memory clock speed 800 MHz vs 400 MHz 2x higher memory clock speed
Front view of GeForce 8400 GS

Reasons to consider the
Nvidia GeForce 8400 GS

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GPUBoss is not aware of any important advantages of the Nvidia GeForce 8400 GS vs the AMD Radeon HD 6330M.

Features Key features of the Radeon HD 6330M  vs GeForce 8400 GS 

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

Radeon HD 6330M
12.8 GB/s
GeForce 8400 GS
6.4 GB/s

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

Radeon HD 6330M
2 GPixel/s
GeForce 8400 GS
2.08 GPixel/s

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

Radeon HD 6330M
4 GTexel/s
GeForce 8400 GS
4.16 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6330M
80 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

Specifications Full list of technical specs

gpu

Radeon HD 6330M  vs
GeForce 8400 GS 
GPU brand AMD Nvidia
GPU name Robson GT218 B1
Market Laptop Desktop
Clock speed 500 MHz 520 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 80 16
Texture mapping units 8 8
Render output processors 4 4
Pixel rate 2 GPixel/s 2.08 GPixel/s
Texture rate 4 GTexel/s 4.16 GTexel/s
Floating-point performance 80 GFLOPS 39.36 GFLOPS

memory

Radeon HD 6330M  vs
GeForce 8400 GS 
Memory clock speed 800 MHz 400 MHz
Effective memory clock speed 1,600 MHz 800 MHz
Memory bus 64 bit 64 bit
Memory 1,024 MB 512 MB
Memory type GDDR3 DDR2
Memory bandwidth 12.8 GB/s 6.4 GB/s

noise and power

TDP 7W 25W

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