Cast your vote Do you agree or disagree with GPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!

Differences What are the advantages of each

Front view of Radeon HD 3450 PCI

Reasons to consider the
ATi Radeon HD 3450 PCI

Report a correction
Higher clock speed 600 MHz vs 520 MHz More than 15% higher clock speed
Front view of GeForce 8400 GS PCI

Reasons to consider the

Report a correction
Higher memory clock speed 500 MHz vs 400 MHz 25% higher memory clock speed

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

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 PCI
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 PCI
4.16 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 3450 PCI
GeForce 8400 GS PCI
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


Radeon HD 3450 PCI  vs
GeForce 8400 GS PCI 
GPU brand ATI Nvidia
GPU name RV620 G86
Market Desktop Desktop
Clock speed 600 MHz 520 MHz
Is dual GPU No No
Reference card None Nvidia GeForce 8400 GS PCI 520 MHz 512 MB

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


Radeon HD 3450 PCI  vs
GeForce 8400 GS PCI 
Memory clock speed 400 MHz 500 MHz
Effective memory clock speed 800 MHz 1,000 MHz
Memory bus 64 bit 64 bit
Memory 512 MB 512 MB
Memory type DDR2 DDR3
Memory bandwidth 6.4 GB/s 8 GB/s

noise and power

TDP 25W 40W


comments powered by Disqus