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Differences What are the advantages of each

Front view of Radeon HD 4850

Reasons to consider the
ATi Radeon HD 4850

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Higher memory bandwidth 63.55 GB/s vs 25.6 GB/s Around 2.5x higher memory bandwidth
Higher effective memory clock speed 1,986 MHz vs 1,600 MHz Around 25% higher effective memory clock speed
Slightly better floating-point performance 1,000 GFLOPS vs 480 GFLOPS More than 2x better floating-point performance
More shading units 800 vs 320 480 more shading units
Wider memory bus 256 bit vs 128 bit 2x wider memory bus
More render output processors 16 vs 8 Twice as many render output processors
More compute units 10 vs 4 6 more compute units
Higher memory clock speed 993 MHz vs 800 MHz Around 25% higher memory clock speed
View of Radeon HD 4710

Reasons to consider the
ATi Radeon HD 4710

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Higher clock speed 750 MHz vs 625 MHz 20% higher clock speed
Lower TDP 59W vs 110W More than 45% lower TDP

Features Key features of the Radeon HD 4850  vs 4710 

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

Radeon HD 4850
63.55 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 4850
10 GPixel/s
Radeon HD 4710
6 GPixel/s

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

Radeon HD 4850
25 GTexel/s
Radeon HD 4710
24 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 4850
1,000 GFLOPS
Radeon HD 4710

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 4850  vs
GPU name RV770 RV730
Market Desktop Desktop
Clock speed 625 MHz 750 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 800 320
Texture mapping units 40 32
Render output processors 16 8
Compute units 10 4
Pixel rate 10 GPixel/s 6 GPixel/s
Texture rate 25 GTexel/s 24 GTexel/s
Floating-point performance 1,000 GFLOPS 480 GFLOPS


Radeon HD 4850  vs
Memory clock speed 993 MHz 800 MHz
Effective memory clock speed 1,986 MHz 1,600 MHz
Memory bus 256 bit 128 bit
Memory 512 MB 512 MB
Memory type GDDR3 GDDR3
Memory bandwidth 63.55 GB/s 25.6 GB/s

noise and power

TDP 110W 59W


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