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Differences What are the advantages of each

Front view of Radeon HD 4720

Reasons to consider the
ATi Radeon HD 4720

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More texture mapping units 32 vs 8 24 more texture mapping units
Slightly more shading units 320 vs 120 200 more shading units
Front view of Radeon HD 3650

Reasons to consider the
Sapphire Radeon HD 3650

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Higher clock speed 725 MHz vs 600 MHz More than 20% higher clock speed
Higher memory clock speed 800 MHz vs 667 MHz Around 20% higher memory clock speed

Features Key features of the Radeon HD 4720  vs 3650 

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

Radeon HD 4720
21.34 GB/s
Radeon HD 3650
25.6 GB/s

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

Radeon HD 4720
4.8 GPixel/s
Radeon HD 3650
2.9 GPixel/s

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

Radeon HD 4720
19.2 GTexel/s
Radeon HD 3650
5.8 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 4720
Radeon HD 3650

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 4720  vs
GPU name RV730 RV635
Market Desktop Desktop
Clock speed 600 MHz 725 MHz
Is dual GPU No No
Reference card None ATi Radeon HD 3650 725 MHz 256 MB

raw performance

Shading units 320 120
Texture mapping units 32 8
Render output processors 8 4
Compute units 4 3
Pixel rate 4.8 GPixel/s 2.9 GPixel/s
Texture rate 19.2 GTexel/s 5.8 GTexel/s
Floating-point performance 384 GFLOPS 174 GFLOPS


Radeon HD 4720  vs
Memory clock speed 667 MHz 800 MHz
Effective memory clock speed 1,334 MHz 1,600 MHz
Memory bus 128 bit 128 bit
Memory 1,024 MB 512 MB
Memory type GDDR3 DDR2
Memory bandwidth 21.34 GB/s 25.6 GB/s

noise and power

TDP 55W 65W


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