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Differences What are the advantages of each

Front view of Radeon HD 8830M

Reasons to consider the
AMD Radeon HD 8830M

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Slightly more memory 2,048 MB vs 1,024 MB 2x more memory
More render output processors 16 vs 8 Twice as many render output processors
More texture mapping units 40 vs 20 Twice as many texture mapping units
Higher memory clock speed 1,000 MHz vs 800 MHz 25% higher memory clock speed
Slightly more compute units 10 vs 5 Twice as many compute units
Front view of Radeon HD 5570

Reasons to consider the
ATi Radeon HD 5570

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Slightly higher clock speed 650 MHz vs 575 MHz Around 15% higher clock speed

Features Key features of the Radeon HD 8830M  vs 5570 

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

Radeon HD 8830M
32 GB/s
Radeon HD 5570
25.6 GB/s

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

Radeon HD 8830M
10 GPixel/s
Radeon HD 5570
5.2 GPixel/s

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

Radeon HD 8830M
25 GTexel/s
Radeon HD 5570
13 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8830M
Radeon HD 5570

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 8830M  vs
GPU name Venus Redwood
Market Laptop Desktop
Clock speed 575 MHz 650 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 640 400
Texture mapping units 40 20
Render output processors 16 8
Compute units 10 5
Pixel rate 10 GPixel/s 5.2 GPixel/s
Texture rate 25 GTexel/s 13 GTexel/s
Floating-point performance 800 GFLOPS 520 GFLOPS


Radeon HD 8830M  vs
Memory clock speed 1,000 MHz 800 MHz
Effective memory clock speed 2,000 MHz 1,600 MHz
Memory bus 128 bit 128 bit
Memory 2,048 MB 1,024 MB
Memory type DDR3 GDDR3
Memory bandwidth 32 GB/s 25.6 GB/s


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