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Differences What are the advantages of each

Front view of Quadro M4000M

Reasons to consider the
Nvidia Quadro M4000M

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Significantly higher clock speed 975 MHz vs 648 MHz More than 50% higher clock speed
Higher effective memory clock speed 5,012 MHz vs 2,484 MHz More than 2x higher effective memory clock speed
More memory 4,096 MB vs 1,024 MB 4x more memory
Significantly higher pixel rate 62.4 GPixel/s vs 20.74 GPixel/s More than 3x higher pixel rate
Better floating-point performance 2,496 GFLOPS vs 708.5 GFLOPS More than 3.5x better floating-point performance
Significantly more render output processors 64 vs 32 Twice as many render output processors
More shading units 1,280 vs 240 1040 more shading units
Slightly higher texture rate 78 GTexel/s vs 51.84 GTexel/s More than 50% higher texture rate
Significantly lower TDP 100W vs 204W 2x lower TDP
Front view of GeForce GTX 285 Mac

Reasons to consider the
Nvidia GeForce GTX 285 Mac

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Wider memory bus 512 bit vs 256 bit 2x wider memory bus

Features Key features of the Quadro M4000M  vs GeForce GTX 285 Mac 

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

Quadro M4000M
160.4 GB/s

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

Quadro M4000M
62.4 GPixel/s
GeForce GTX 285 Mac
20.74 GPixel/s

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

Quadro M4000M
78 GTexel/s
GeForce GTX 285 Mac
51.84 GTexel/s

floating point performance How fast the gpu can crunch numbers

Quadro M4000M
2,496 GFLOPS
GeForce GTX 285 Mac
708.5 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

gpu

Quadro M4000M  vs
GeForce GTX 285 Mac 
GPU brand Nvidia Nvidia
GPU name GM204 GT200 B3
Market Laptop Desktop
Clock speed 975 MHz 648 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 1,280 240
Texture mapping units 80 80
Render output processors 64 32
Pixel rate 62.4 GPixel/s 20.74 GPixel/s
Texture rate 78 GTexel/s 51.84 GTexel/s
Floating-point performance 2,496 GFLOPS 708.5 GFLOPS

memory

Quadro M4000M  vs
GeForce GTX 285 Mac 
Memory clock speed 1,253 MHz 1,242 MHz
Effective memory clock speed 5,012 MHz 2,484 MHz
Memory bus 256 bit 512 bit
Memory 4,096 MB 1,024 MB
Memory type GDDR5 GDDR3
Memory bandwidth 160.4 GB/s 159 GB/s

noise and power

TDP 100W 204W

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