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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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Significantly lower TDP 55W vs 160W 2.9x lower TDP
Front view of GeForce GTX 460

Reasons to consider the
Nvidia GeForce GTX 460

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Significantly higher effective memory clock speed 3,600 MHz vs 1,334 MHz Around 2.8x higher effective memory clock speed
Significantly higher memory bandwidth 115.2 GB/s vs 21.34 GB/s Around 5.5x higher memory bandwidth
Slightly higher clock speed 675 MHz vs 600 MHz Around 15% higher clock speed
Significantly more render output processors 32 vs 8 24 more render output processors
Slightly better floating-point performance 907.2 GFLOPS vs 384 GFLOPS More than 2.2x better floating-point performance
Higher texture rate 37.8 GTexel/s vs 19.2 GTexel/s More than 95% higher texture rate
Wider memory bus 256 bit vs 128 bit 2x wider memory bus
More texture mapping units 56 vs 32 24 more texture mapping units
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 GTX 460 

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

Radeon HD 4720
21.34 GB/s
GeForce GTX 460
115.2 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 GTX 460
9.45 GPixel/s

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

Radeon HD 4720
19.2 GTexel/s
GeForce GTX 460
37.8 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 4720
384 GFLOPS
GeForce GTX 460
907.2 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 GTX 460 
GPU brand ATI Nvidia
GPU name RV730 GF104
Market Desktop Desktop
Clock speed 600 MHz 675 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 320 336
Texture mapping units 32 56
Render output processors 8 32
Pixel rate 4.8 GPixel/s 9.45 GPixel/s
Texture rate 19.2 GTexel/s 37.8 GTexel/s
Floating-point performance 384 GFLOPS 907.2 GFLOPS

memory

Radeon HD 4720  vs
GeForce GTX 460 
Memory clock speed 667 MHz 900 MHz
Effective memory clock speed 1,334 MHz 3,600 MHz
Memory bus 128 bit 256 bit
Memory 1,024 MB 1,024 MB
Memory type GDDR3 GDDR5
Memory bandwidth 21.34 GB/s 115.2 GB/s

noise and power

TDP 55W 160W

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