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Differences What are the advantages of each

Front view of Mobility Radeon HD 3850 X2

Reasons to consider the
ATi Mobility Radeon HD 3850 X2

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Is dual GPU Yes vs No About half of graphics cards are dual GPU
Higher memory bandwidth 96 GB/s vs 54.4 GB/s More than 75% higher memory bandwidth
More render output processors 32 vs 8 24 more render output processors
Higher pixel rate 18.56 GPixel/s vs 4.4 GPixel/s Around 4.2x higher pixel rate
More shading units 640 vs 96 544 more shading units
Wider memory bus 512 bit vs 128 bit 4x wider memory bus
Front view of GeForce GT 240

Reasons to consider the
Nvidia GeForce GT 240

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Higher effective memory clock speed 3,400 MHz vs 1,500 MHz More than 2.2x higher effective memory clock speed
Slightly higher memory clock speed 850 MHz vs 750 MHz Around 15% higher memory clock speed

Features Key features of the Mobility Radeon HD 3850 X2  vs GeForce GT 240 

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

GeForce GT 240
4.4 GPixel/s

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

GeForce GT 240
17.6 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GT 240
257.3 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


Mobility Radeon HD 3850 X2  vs
GeForce GT 240 
GPU brand ATI Nvidia
GPU name M88 GT215
Market Laptop Desktop
Clock speed 580 MHz 550 MHz
Is dual GPU Yes No
Reference card None None

raw performance

Shading units 640 96
Texture mapping units 32 32
Render output processors 32 8
Pixel rate 18.56 GPixel/s 4.4 GPixel/s
Texture rate 18.56 GTexel/s 17.6 GTexel/s
Floating-point performance 742.4 GFLOPS 257.3 GFLOPS


Mobility Radeon HD 3850 X2  vs
GeForce GT 240 
Memory clock speed 750 MHz 850 MHz
Effective memory clock speed 1,500 MHz 3,400 MHz
Memory bus 512 bit 128 bit
Memory 1,024 MB 1,024 MB
Memory type GDDR3 GDDR5
Memory bandwidth 96 GB/s 54.4 GB/s

noise and power

TDP 70W 69W

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