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Differences What are the advantages of each

Front view of Radeon HD 5630

Reasons to consider the
ATi Radeon HD 5630

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Higher clock speed 650 MHz vs 550 MHz Around 20% higher clock speed
Front view of Radeon HD 5550

Reasons to consider the
ATi Radeon HD 5550

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Significantly higher effective memory clock speed 3,200 MHz vs 780 MHz More than 4x higher effective memory clock speed
Higher memory bandwidth 51.2 GB/s vs 12.48 GB/s More than 4x higher memory bandwidth
Significantly higher memory clock speed 800 MHz vs 390 MHz More than 2x higher memory clock speed

Features Key features of the Radeon HD 5630  vs 5550 

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

Radeon HD 5630
12.48 GB/s
Radeon HD 5550
51.2 GB/s

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

Radeon HD 5630
5.2 GPixel/s
Radeon HD 5550
4.4 GPixel/s

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

Radeon HD 5630
10.4 GTexel/s
Radeon HD 5550
8.8 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 5630
416 GFLOPS
Radeon HD 5550
352 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 5630  vs
5550 
GPU brand ATI ATI
GPU name Redwood Redwood
Market Desktop Desktop
Clock speed 650 MHz 550 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 320 320
Texture mapping units 16 16
Render output processors 8 8
Compute units 4 4
Pixel rate 5.2 GPixel/s 4.4 GPixel/s
Texture rate 10.4 GTexel/s 8.8 GTexel/s
Floating-point performance 416 GFLOPS 352 GFLOPS

memory

Radeon HD 5630  vs
5550 
Memory clock speed 390 MHz 800 MHz
Effective memory clock speed 780 MHz 3,200 MHz
Memory bus 128 bit 128 bit
Memory 1,024 MB 512 MB
Memory type GDDR3 GDDR5
Memory bandwidth 12.48 GB/s 51.2 GB/s

noise and power

TDP 39W 39W

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