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Differences What are the advantages of each

Front view of Radeon HD 3470

Reasons to consider the
ATi Radeon HD 3470

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Higher clock speed 800 MHz vs 600 MHz Around 35% higher clock speed
Higher effective memory clock speed 1,900 MHz vs 800 MHz Around 2.5x higher effective memory clock speed
Significantly higher memory clock speed 950 MHz vs 400 MHz Around 2.5x higher memory clock speed
Front view of Radeon HD 3450 PCI

Reasons to consider the
ATi Radeon HD 3450 PCI

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GPUBoss is not aware of any important advantages of the 3450 PCI vs the 3470.

Features Key features of the Radeon HD 3470  vs 3450 PCI 

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

Radeon HD 3470
15.2 GB/s

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

Radeon HD 3470
3.2 GPixel/s
Radeon HD 3450 PCI
2.4 GPixel/s

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

Radeon HD 3470
3.2 GTexel/s
Radeon HD 3450 PCI
2.4 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 3470
Radeon HD 3450 PCI

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 3470  vs
3450 PCI 
GPU name RV620 RV620
Market Desktop Desktop
Clock speed 800 MHz 600 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 40 40
Texture mapping units 4 4
Render output processors 4 4
Compute units 2 2
Pixel rate 3.2 GPixel/s 2.4 GPixel/s
Texture rate 3.2 GTexel/s 2.4 GTexel/s
Floating-point performance 64 GFLOPS 48 GFLOPS


Radeon HD 3470  vs
3450 PCI 
Memory clock speed 950 MHz 400 MHz
Effective memory clock speed 1,900 MHz 800 MHz
Memory bus 64 bit 64 bit
Memory 256 MB 512 MB
Memory type GDDR3 DDR2
Memory bandwidth 15.2 GB/s 6.4 GB/s

noise and power

TDP 30W 25W


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