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Differences What are the advantages of each

Front view of Radeon HD 6450

Reasons to consider the
AMD Radeon HD 6450

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Significantly higher effective memory clock speed 3,200 MHz vs 800 MHz 4x higher effective memory clock speed
Significantly higher memory clock speed 800 MHz vs 400 MHz 2x higher memory clock speed
Front view of Radeon HD 4350

Reasons to consider the
Sapphire Radeon HD 4350

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More memory 1,024 MB vs 512 MB 2x more memory

Features Key features of the Radeon HD 6450  vs 4350 

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

Radeon HD 6450
25.6 GB/s
Radeon HD 4350
6.4 GB/s

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

Radeon HD 6450
2.5 GPixel/s
Radeon HD 4350
2.4 GPixel/s

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

Radeon HD 6450
5 GTexel/s
Radeon HD 4350
4.8 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6450
200 GFLOPS
Radeon HD 4350
96 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 6450  vs
4350 
GPU brand AMD ATi
GPU name Caicos PRO RV710
Market Desktop Desktop
Clock speed 625 MHz 600 MHz
Is dual GPU No No
Reference card None ATi Radeon HD 4350 600 MHz 512 MB

raw performance

Shading units 160 80
Texture mapping units 8 8
Render output processors 4 4
Compute units 2 1
Pixel rate 2.5 GPixel/s 2.4 GPixel/s
Texture rate 5 GTexel/s 4.8 GTexel/s
Floating-point performance 200 GFLOPS 96 GFLOPS

memory

Radeon HD 6450  vs
4350 
Memory clock speed 800 MHz 400 MHz
Effective memory clock speed 3,200 MHz 800 MHz
Memory bus 64 bit 64 bit
Memory 512 MB 1,024 MB
Memory type GDDR5 DDR2
Memory bandwidth 25.6 GB/s 6.4 GB/s

noise and power

TDP 18W 20W

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