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Differences What are the advantages of each

Front view of Radeon HD 5450

Reasons to consider the
ATi Radeon HD 5450

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Slightly lower TDP 19W vs 30W More than 35% lower TDP
Front view of Radeon HD 3570

Reasons to consider the
ATi Radeon HD 3570

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Higher clock speed 796 MHz vs 650 MHz More than 20% higher clock speed
Higher memory clock speed 495 MHz vs 400 MHz Around 25% higher memory clock speed

Features Key features of the Radeon HD 5450  vs 3570 

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

Radeon HD 5450
6.4 GB/s
Radeon HD 3570
7.92 GB/s

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

Radeon HD 5450
2.6 GPixel/s
Radeon HD 3570
3.18 GPixel/s

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

Radeon HD 5450
5.2 GTexel/s
Radeon HD 3570
3.18 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 5450
104 GFLOPS
Radeon HD 3570
63.68 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 5450  vs
3570 
GPU brand ATI ATI
GPU name Cedar RV620
Market Desktop Desktop
Clock speed 650 MHz 796 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 80 40
Texture mapping units 8 4
Render output processors 4 4
Compute units 2 2
Pixel rate 2.6 GPixel/s 3.18 GPixel/s
Texture rate 5.2 GTexel/s 3.18 GTexel/s
Floating-point performance 104 GFLOPS 63.68 GFLOPS

memory

Radeon HD 5450  vs
3570 
Memory clock speed 400 MHz 495 MHz
Effective memory clock speed 800 MHz 990 MHz
Memory bus 64 bit 64 bit
Memory 512 MB 512 MB
Memory type DDR2 DDR2
Memory bandwidth 6.4 GB/s 7.92 GB/s

noise and power

TDP 19W 30W

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