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Differences What are the advantages of each

Front view of Radeon HD 4770

Reasons to consider the
ATi Radeon HD 4770

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Significantly higher effective memory clock speed 3,200 MHz vs 1,600 MHz 2x higher effective memory clock speed
Higher memory bandwidth 51.2 GB/s vs 25.6 GB/s 2x higher memory bandwidth
Slightly better floating-point performance 960 GFLOPS vs 480 GFLOPS 2x better floating-point performance
More render output processors 16 vs 8 Twice as many render output processors
More shading units 640 vs 320 Twice as many shading units
Slightly more compute units 8 vs 4 Twice as many compute units
View of Radeon HD 4710

Reasons to consider the
ATi Radeon HD 4710

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Lower TDP 59W vs 80W More than 25% lower TDP

Features Key features of the Radeon HD 4770  vs 4710 

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

Radeon HD 4770
51.2 GB/s
Radeon HD 4710
25.6 GB/s

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

Radeon HD 4770
12 GPixel/s
Radeon HD 4710
6 GPixel/s

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

Radeon HD 4770
24 GTexel/s
Radeon HD 4710
24 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 4770
960 GFLOPS
Radeon HD 4710
480 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 4770  vs
4710 
GPU brand ATI ATI
GPU name RV740 RV730
Market Desktop Desktop
Clock speed 750 MHz 750 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 640 320
Texture mapping units 32 32
Render output processors 16 8
Compute units 8 4
Pixel rate 12 GPixel/s 6 GPixel/s
Texture rate 24 GTexel/s 24 GTexel/s
Floating-point performance 960 GFLOPS 480 GFLOPS

memory

Radeon HD 4770  vs
4710 
Memory clock speed 800 MHz 800 MHz
Effective memory clock speed 3,200 MHz 1,600 MHz
Memory bus 128 bit 128 bit
Memory 512 MB 512 MB
Memory type GDDR5 GDDR3
Memory bandwidth 51.2 GB/s 25.6 GB/s

noise and power

TDP 80W 59W

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