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Differences What are the advantages of each

Front view of Mobility Radeon HD 4670 Mac

Reasons to consider the
ATi Mobility Radeon HD 4670 Mac

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Higher clock speed 680 MHz vs 600 MHz Around 15% higher clock speed
Slightly more shading units 320 vs 48 272 more shading units
Lower TDP 35W vs 75W 2.1x lower TDP
Front view of GeForce GT 130 Mac

Reasons to consider the
Nvidia GeForce GT 130 Mac

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Slightly higher memory bandwidth 38.02 GB/s vs 25.28 GB/s More than 50% higher memory bandwidth
Slightly more render output processors 12 vs 8 4 more render output processors
Slightly wider memory bus 192 bit vs 128 bit 50% wider memory bus

Features Key features of the Mobility Radeon HD 4670 Mac  vs GeForce GT 130 Mac 

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 130 Mac
7.2 GPixel/s

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

GeForce GT 130 Mac
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


Mobility Radeon HD 4670 Mac  vs
GeForce GT 130 Mac 
GPU brand ATI Nvidia
GPU name M96 G94 B1
Market Laptop Desktop
Clock speed 680 MHz 600 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 320 48
Texture mapping units 32 24
Render output processors 8 12
Pixel rate 5.44 GPixel/s 7.2 GPixel/s
Texture rate 21.76 GTexel/s 14.4 GTexel/s
Floating-point performance 435.2 GFLOPS 144 GFLOPS


Mobility Radeon HD 4670 Mac  vs
GeForce GT 130 Mac 
Memory clock speed 790 MHz 792 MHz
Effective memory clock speed 1,580 MHz 1,584 MHz
Memory bus 128 bit 192 bit
Memory 256 MB 512 MB
Memory type GDDR3 GDDR3
Memory bandwidth 25.28 GB/s 38.02 GB/s

noise and power

TDP 35W 75W


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