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Differences What are the advantages of each

Front view of Radeon HD 6570M

Reasons to consider the
AMD Radeon HD 6570M

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Higher clock speed 600 MHz vs 500 MHz 20% higher clock speed
More render output processors 16 vs 8 Twice as many render output processors
Higher memory clock speed 800 MHz vs 600 MHz Around 35% higher memory clock speed
Front view of Mobility Radeon HD 4650

Reasons to consider the
ATi Mobility Radeon HD 4650

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Slightly more texture mapping units 32 vs 24 8 more texture mapping units

Features Key features of the Radeon HD 6570M  vs Mobility Radeon HD 4650 

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

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

Radeon HD 6570M
9.6 GPixel/s

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

Radeon HD 6570M
14.4 GTexel/s

floating point performance How fast the gpu can crunch numbers

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 6570M  vs
Mobility Radeon HD 4650 
GPU name Whistler M96
Market Laptop Laptop
Clock speed 600 MHz 500 MHz
Is dual GPU No No
Reference card AMD Radeon HD 6570M 650 MHz 1 GB None

raw performance

Shading units 480 320
Texture mapping units 24 32
Render output processors 16 8
Compute units 6 4
Pixel rate 9.6 GPixel/s 4 GPixel/s
Texture rate 14.4 GTexel/s 16 GTexel/s
Floating-point performance 576 GFLOPS 320 GFLOPS


Radeon HD 6570M  vs
Mobility Radeon HD 4650 
Memory clock speed 800 MHz 600 MHz
Effective memory clock speed 1,600 MHz 1,200 MHz
Memory bus 128 bit 128 bit
Memory 1,024 MB 512 MB
Memory type GDDR3 DDR2
Memory bandwidth 25.6 GB/s 19.2 GB/s

noise and power

TDP 30W 35W


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