Radeon R9 M395X Mac 

Released May, 2015
  • 909 MHz
  • 4 GB GDDR5

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Features Key features of the Radeon R9 M395X Mac

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

Radeon R9 M395X Mac
174.7 GB/s
Radeon R9 M395X
160 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
Radeon R9 M395X
23.14 GPixel/s
GeForce GTX 780M Mac
24.67 GPixel/s

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

Radeon R9 M395X Mac
116.4 GTexel/s
Radeon R9 M395X
92.5 GTexel/s
GeForce GTX 780M Mac
98.7 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R9 M395X Mac
3,723 GFLOPS
GeForce GTX 780M Mac
2,368.5 GFLOPS
Radeon R9 M395X
2,961.4 GFLOPS

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

Radeon R9 M395X Mac

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

Radeon R9 M395X Mac

In The News From around the web


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by Fuad Abazovic |
This is a significant win for AMD, but the real winner is Intel since most Apple notebooks will continue using integrated Intel HD or Iris graphics.
We are not sure what Nvidia did to upset Apple, but this round of devices will be powered either by Intel integrated graphics or AMD discrete graphics.
Slow rotations and pans didn’t cause any of the typical “crawling” effect on the screen, and targeting on enemies, even at low frame rates, was easy to do.
Any movement that was tracking on the screen would suddenly appear to stop – and then would quickly “jump” to the next location faster than your mind thought it should.

Apple Mac Pro: Teardown Images and Detailed Benchmarks

by Shaikh Rafia |
Non-proprietary Torx screws are used throughout, and several components can be replaced independently.
The very much famous Michael Kukielka has released his Apple Mac Pro benchmark video.

Gaming At 3840x2160: Is Your PC Ready For A 4K Display?

by Chris Angelini |
Even the top thousand-dollar GPUs are quickly overwhelmed by any of those three games at their highest detail settings.
Of course, taxing titles like Crysis 3, Metro: Last Light, and Arma 3 show us that developers are still very much pushing the envelope of PC gaming.

Specifications Full list of technical specs


GPU brand AMD
GPU name Amethyst
Market Laptop
Clock speed 909 MHz
Is dual GPU No
Reference card None

raw performance

Shading units 2,048
Texture mapping units 128
Render output processors 32
Compute units 32
Pixel rate 29.09 GPixel/s
Texture rate 116.4 GTexel/s
Floating-point performance 3,723 GFLOPS


Memory clock speed 1,365 MHz
Effective memory clock speed 5,460 MHz
Memory bus 256 bit
Memory 4,096 MB
Memory type GDDR5
Memory bandwidth 174.7 GB/s

noise and power

TDP 250W
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