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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 16 Twice as many texture mapping units
More shading units 320 vs 96 224 more shading units
Front view of GeForce GT 440

Reasons to consider the
Nvidia GeForce GT 440

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Higher clock speed 810 MHz vs 600 MHz 35% higher clock speed
Higher effective memory clock speed 1,800 MHz vs 1,334 MHz Around 35% higher effective memory clock speed
Higher memory clock speed 900 MHz vs 667 MHz Around 35% higher memory clock speed

Features Key features of the Radeon HD 4720  vs GeForce GT 440 

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

Radeon HD 4720
21.34 GB/s
GeForce GT 440
28.8 GB/s

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

Radeon HD 4720
4.8 GPixel/s
GeForce GT 440
3.24 GPixel/s

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

Radeon HD 4720
19.2 GTexel/s
GeForce GT 440
12.96 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 4720
384 GFLOPS
GeForce GT 440
311.04 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 4720  vs
GeForce GT 440 
GPU brand ATI Nvidia
GPU name RV730 GF108
Market Desktop Desktop
Clock speed 600 MHz 810 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 320 96
Texture mapping units 32 16
Render output processors 8 4
Pixel rate 4.8 GPixel/s 3.24 GPixel/s
Texture rate 19.2 GTexel/s 12.96 GTexel/s
Floating-point performance 384 GFLOPS 311.04 GFLOPS

memory

Radeon HD 4720  vs
GeForce GT 440 
Memory clock speed 667 MHz 900 MHz
Effective memory clock speed 1,334 MHz 1,800 MHz
Memory bus 128 bit 128 bit
Memory 1,024 MB 1,024 MB
Memory type GDDR3 DDR3
Memory bandwidth 21.34 GB/s 28.8 GB/s

noise and power

TDP 55W 65W

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