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Differences What are the advantages of each

Front view of GeForce GTX 770

Reasons to consider the
Nvidia GeForce GTX 770

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Much higher effective memory clock speed 7,012 MHz vs 1,600 MHz Around 4.5x higher effective memory clock speed
Much higher memory bandwidth 224 GB/s vs 25.6 GB/s 8.8x higher memory bandwidth
Significantly higher clock speed 1,046 MHz vs 550 MHz More than 90% higher clock speed
Significantly better floating-point performance 3,213 GFLOPS vs 89.6 GFLOPS More than 35.8x better floating-point performance
Much higher texture rate 134 GTexel/s vs 8.8 GTexel/s Around 15.2x higher texture rate
Many more texture mapping units 128 vs 16 112 more texture mapping units
More memory 2,048 MB vs 512 MB 4x more memory
Higher pixel rate 33.5 GPixel/s vs 4.4 GPixel/s More than 7.5x higher pixel rate
Many more shading units 1,536 vs 32 1504 more shading units
Much higher memory clock speed 1,753 MHz vs 800 MHz Around 2.2x higher memory clock speed
Significantly more render output processors 32 vs 8 24 more render output processors
Wider memory bus 256 bit vs 128 bit 2x wider memory bus
Front view of GeForce GT 120 Mac

Reasons to consider the
Nvidia GeForce GT 120 Mac

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Much lower TDP 50W vs 230W 4.6x lower TDP

Features Key features of the GeForce GTX 770  vs GT 120 Mac 

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

GeForce GTX 770
224 GB/s
GeForce GT 120 Mac
25.6 GB/s

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

GeForce GTX 770
33.5 GPixel/s
GeForce GT 120 Mac
4.4 GPixel/s

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

GeForce GTX 770
134 GTexel/s
GeForce GT 120 Mac
8.8 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GTX 770
3,213 GFLOPS
GeForce GT 120 Mac

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 770  vs
GT 120 Mac 
GPU brand Nvidia Nvidia
GPU name GK104 G96 C1
Market Desktop Desktop
Clock speed 1,046 MHz 550 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 1,536 32
Texture mapping units 128 16
Render output processors 32 8
Pixel rate 33.5 GPixel/s 4.4 GPixel/s
Texture rate 134 GTexel/s 8.8 GTexel/s
Floating-point performance 3,213 GFLOPS 89.6 GFLOPS


GeForce GTX 770  vs
GT 120 Mac 
Memory clock speed 1,753 MHz 800 MHz
Effective memory clock speed 7,012 MHz 1,600 MHz
Memory bus 256 bit 128 bit
Memory 2,048 MB 512 MB
Memory type GDDR5 GDDR3
Memory bandwidth 224 GB/s 25.6 GB/s

noise and power

TDP 230W 50W


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