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Differences What are the advantages of each

Front view of Radeon HD 3450 PCI

Reasons to consider the
ATi Radeon HD 3450 PCI

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Higher clock speed 600 MHz vs 520 MHz More than 15% higher 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 ATi Radeon HD 3450 PCI.

Features Key features of the Radeon HD 3450 PCI  vs GeForce 8400 GS 

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

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

Radeon HD 3450 PCI
2.4 GPixel/s
GeForce 8400 GS
2.08 GPixel/s

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

Radeon HD 3450 PCI
2.4 GTexel/s
GeForce 8400 GS
4.16 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 3450 PCI
48 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 3450 PCI  vs
GeForce 8400 GS 
GPU brand ATI Nvidia
GPU name RV620 GT218 B1
Market Desktop Desktop
Clock speed 600 MHz 520 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 40 16
Texture mapping units 4 8
Render output processors 4 4
Pixel rate 2.4 GPixel/s 2.08 GPixel/s
Texture rate 2.4 GTexel/s 4.16 GTexel/s
Floating-point performance 48 GFLOPS 39.36 GFLOPS

memory

Radeon HD 3450 PCI  vs
GeForce 8400 GS 
Memory clock speed 400 MHz 400 MHz
Effective memory clock speed 800 MHz 800 MHz
Memory bus 64 bit 64 bit
Memory 512 MB 512 MB
Memory type DDR2 DDR2
Memory bandwidth 6.4 GB/s 6.4 GB/s

noise and power

TDP 25W 25W

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