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Differences What are the advantages of each

Front view of GeForce GTX TITAN X

Reasons to consider the
Nvidia GeForce GTX TITAN X

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Much more memory 12,288 MB vs 256 MB 48x more memory
Significantly higher clock speed 1,000 MHz vs 500 MHz 2x higher clock speed
Much higher effective memory clock speed 7,012 MHz vs 1,584 MHz Around 4.5x higher effective memory clock speed
Much better floating-point performance 6,144 GFLOPS vs 80 GFLOPS More than 76.8x better floating-point performance
Much higher pixel rate 96 GPixel/s vs 4 GPixel/s 24x higher pixel rate
Many more render output processors 96 vs 8 88 more render output processors
Much higher texture rate 192 GTexel/s vs 8 GTexel/s 24x higher texture rate
Many more shading units 3,072 vs 32 3040 more shading units
Many more texture mapping units 192 vs 16 176 more texture mapping units
Much higher memory clock speed 1,753 MHz vs 792 MHz Around 2.2x higher memory clock speed
Wider memory bus 384 bit vs 128 bit 3x 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 250W 17.9x lower TDP

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

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

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

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

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

floating point performance How fast the gpu can crunch numbers

6,144 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

render output processors GPU commponents responsible for transform pixels as they flow between memory buffers

Specifications Full list of technical specs


GeForce GTX TITAN X  vs
GT 120M Mac 
GPU brand Nvidia Nvidia
GPU name GM200 G96C
Market Desktop Laptop
Clock speed 1,000 MHz 500 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 3,072 32
Texture mapping units 192 16
Render output processors 96 8
Pixel rate 96 GPixel/s 4 GPixel/s
Texture rate 192 GTexel/s 8 GTexel/s
Floating-point performance 6,144 GFLOPS 80 GFLOPS


GeForce GTX TITAN X  vs
GT 120M Mac 
Memory clock speed 1,753 MHz 792 MHz
Effective memory clock speed 7,012 MHz 1,584 MHz
Memory bus 384 bit 128 bit
Memory 12,288 MB 256 MB
Memory type GDDR5 GDDR3

noise and power

TDP 250W 14W


Showing 4 comments.
I'm guessing I'll take the 120M, it's going to be very good for my electricity bill
I wonder why they were considering the upgrade I see no advantages to getting the Titan X with the 120m having such a low tdp what whats so funny lolz ROFL MUHAHAHAHAAHAHAAAAAAAAA
this is funny.
17.9x lower TDP LOL
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