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Differences What are the advantages of each

Front view of Radeon R9 M395X Mac

Reasons to consider the
AMD Radeon R9 M395X Mac

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GPUBoss is not aware of any important advantages of the AMD Radeon R9 M395X Mac vs the Nvidia GeForce GTX 1080 Ti.

Front view of GeForce GTX 1080 Ti

Reasons to consider the
Nvidia GeForce GTX 1080 Ti

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Much higher clock speed 1,480 MHz vs 909 MHz Around 65% higher clock speed
Much higher memory bandwidth 484.4 GB/s vs 174.7 GB/s More than 2.8x higher memory bandwidth
Much better floating-point performance 11,340 GFLOPS vs 3,723 GFLOPS More than 3x better floating-point performance
Much higher effective memory clock speed 11,008 MHz vs 5,460 MHz More than 2x higher effective memory clock speed
Significantly more memory 11,264 MB vs 4,096 MB 2.8x more memory
Much higher pixel rate 139.2 GPixel/s vs 29.09 GPixel/s More than 4.8x higher pixel rate
Much higher texture rate 354.4 GTexel/s vs 116.4 GTexel/s More than 3x higher texture rate
Many more render output processors 88 vs 32 56 more render output processors
Significantly more shading units 3,584 vs 2,048 1536 more shading units
Significantly more texture mapping units 224 vs 128 96 more texture mapping units

Features Key features of the Radeon R9 M395X Mac  vs GeForce GTX 1080 Ti 

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

Radeon R9 M395X Mac
29.09 GPixel/s
GeForce GTX 1080 Ti
139.2 GPixel/s

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

Radeon R9 M395X Mac
116.4 GTexel/s
GeForce GTX 1080 Ti
354.4 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R9 M395X Mac
3,723 GFLOPS
GeForce GTX 1080 Ti
11,340 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


Radeon R9 M395X Mac  vs
GeForce GTX 1080 Ti 
GPU brand AMD Nvidia
GPU name Amethyst GP102
Clock speed 909 MHz 1,480 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 2,048 3,584
Texture mapping units 128 224
Render output processors 32 88
Pixel rate 29.09 GPixel/s 139.2 GPixel/s
Texture rate 116.4 GTexel/s 354.4 GTexel/s
Floating-point performance 3,723 GFLOPS 11,340 GFLOPS


Radeon R9 M395X Mac  vs
GeForce GTX 1080 Ti 
Memory clock speed 1,365 MHz 1,376 MHz
Effective memory clock speed 5,460 MHz 11,008 MHz
Memory bus 256 bit 352 bit
Memory 4,096 MB 11,264 MB
Memory type GDDR5 GDDR5
Memory bandwidth 174.7 GB/s 484.4 GB/s

noise and power

TDP 250W 250W


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