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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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Slightly more shading units 2,048 vs 1,920 128 more shading units
Slightly more texture mapping units 128 vs 120 8 more texture mapping units
Front view of GeForce GTX 1070

Reasons to consider the
Generic GeForce GTX 1070

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Much higher clock speed 1,506 MHz vs 909 MHz More than 65% higher clock speed
Much higher pixel rate 96.4 GPixel/s vs 29.09 GPixel/s More than 3.2x higher pixel rate
More memory 8,192 MB vs 4,096 MB 2x more memory
Higher effective memory clock speed 8,008 MHz vs 5,460 MHz More than 45% higher effective memory clock speed
Higher memory bandwidth 256.3 GB/s vs 174.7 GB/s More than 45% higher memory bandwidth
Better floating-point performance 5,783 GFLOPS vs 3,723 GFLOPS More than 55% better floating-point performance
Significantly more render output processors 64 vs 32 Twice as many render output processors
Higher texture rate 180.7 GTexel/s vs 116.4 GTexel/s More than 55% higher texture rate
Significantly higher memory clock speed 2,002 MHz vs 1,365 MHz More than 45% higher memory clock speed
Significantly lower TDP 150W vs 250W 40% lower TDP

Features Key features of the Radeon R9 M395X Mac  vs GeForce GTX 1070 

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

Radeon R9 M395X Mac
174.7 GB/s
GeForce GTX 1070
256.3 GB/s

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 1070
96.4 GPixel/s

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

Radeon R9 M395X Mac
116.4 GTexel/s
GeForce GTX 1070
180.7 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R9 M395X Mac
3,723 GFLOPS
GeForce GTX 1070
5,783 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

Radeon R9 M395X Mac  vs
GeForce GTX 1070 
GPU brand AMD Nvidia
GPU name Amethyst GP104
Market Laptop Desktop
Clock speed 909 MHz 1,506 MHz
Is dual GPU No No
Reference card None Nvidia GeForce GTX 1070 1.5 GHz 8 GB

raw performance

Shading units 2,048 1,920
Texture mapping units 128 120
Render output processors 32 64
Pixel rate 29.09 GPixel/s 96.4 GPixel/s
Texture rate 116.4 GTexel/s 180.7 GTexel/s
Floating-point performance 3,723 GFLOPS 5,783 GFLOPS

memory

Radeon R9 M395X Mac  vs
GeForce GTX 1070 
Memory clock speed 1,365 MHz 2,002 MHz
Effective memory clock speed 5,460 MHz 8,008 MHz
Memory bus 256 bit 256 bit
Memory 4,096 MB 8,192 MB
Memory type GDDR5 GDDR5
Memory bandwidth 174.7 GB/s 256.3 GB/s

noise and power

TDP 250W 150W

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