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Differences What are the advantages of each

Front view of GeForce GTX TITAN Z

Reasons to consider the
Nvidia GeForce GTX TITAN Z

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Much higher memory bandwidth 672 GB/s vs 25.34 GB/s More than 26.5x higher memory bandwidth
Is dual GPU Yes vs No About half of graphics cards are dual GPU
Much more memory 12,288 MB vs 256 MB 48x more memory
Much better floating-point performance 10,092 GFLOPS vs 80 GFLOPS Around 126.2x better floating-point performance
Much higher texture rate 420.4 GTexel/s vs 8 GTexel/s More than 52.5x higher texture rate
Much higher effective memory clock speed 7,000 MHz vs 1,584 MHz Around 4.5x higher effective memory clock speed
Many more texture mapping units 480 vs 16 464 more texture mapping units
Much higher pixel rate 105.12 GPixel/s vs 4 GPixel/s More than 26.2x higher pixel rate
Many more shading units 5,760 vs 32 5728 more shading units
Many more render output processors 96 vs 8 88 more render output processors
Higher clock speed 705 MHz vs 500 MHz More than 40% higher clock speed
Much higher memory clock speed 1,750 MHz vs 792 MHz Around 2.2x higher memory clock speed
Significantly wider memory bus 768 bit vs 128 bit 6x wider memory bus
Front view of GeForce GT 120M Mac

Reasons to consider the
Nvidia GeForce GT 120M Mac

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Much lower TDP 14W vs 375W 26.8x lower TDP

Features Key features of the GeForce GTX TITAN Z  vs GT 120M 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

105.12 GPixel/s
GeForce GT 120M Mac
4 GPixel/s

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

420.4 GTexel/s
GeForce GT 120M Mac
8 GTexel/s

floating point performance How fast the gpu can crunch numbers

10,092 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


GeForce GTX TITAN Z  vs
GT 120M Mac 
GPU brand Nvidia Nvidia
GPU name GK110B G96C
Market Desktop Laptop
Clock speed 705 MHz 500 MHz
Is dual GPU Yes No
Reference card None None

raw performance

Shading units 5,760 32
Texture mapping units 480 16
Render output processors 96 8
Pixel rate 105.12 GPixel/s 4 GPixel/s
Texture rate 420.4 GTexel/s 8 GTexel/s
Floating-point performance 10,092 GFLOPS 80 GFLOPS


GeForce GTX TITAN Z  vs
GT 120M Mac 
Memory clock speed 1,750 MHz 792 MHz
Effective memory clock speed 7,000 MHz 1,584 MHz
Memory bus 768 bit 128 bit
Memory 12,288 MB 256 MB
Memory type GDDR5 GDDR3
Memory bandwidth 672 GB/s 25.34 GB/s

noise and power

TDP 375W 14W


Showing 1 comment.
Okay, seeing now that the 120m has a 26.8x lower TDP, it seems that the Mac version of the 120m is better than the Titan Z maczzz rulezzzz
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