Radeon R9 M395X vs Radeon Sky 500

If you are going to buy a new graphics card and are choosing between Radeon R9 M395X and Radeon Sky 500, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon R9 M395X stacks up against Radeon Sky 500, check out specs charts below.

Radeon R9 M395X is a Laptop Graphics Card

Note: Radeon R9 M395X is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon R9 M395X here:

Main Specs

  Radeon R9 M395X Radeon Sky 500
Power consumption (TDP) 250 Watt 150 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors None 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 4 GB
Display Connectors No outputs 1x DisplayPort
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  • Radeon R9 M395X has 66% more power consumption, than Radeon Sky 500.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon R9 M395X and Radeon Sky 500 have maximum RAM of 4 GB.
  • Radeon R9 M395X is used in Laptops, and Radeon Sky 500 - in Desktops.
  • Radeon R9 M395X is build with GCN 3 architecture, and Radeon Sky 500 - with GCN 1.0.
  • Core clock speed of Radeon Sky 500 is 227 MHz higher, than Radeon R9 M395X.
  • Radeon R9 M395X and Radeon Sky 500 are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon Sky 500 is 3550 MHz higher, than Radeon R9 M395X.

Game benchmarks

high / 1080p 24−27 35−40
ultra / 1080p 14−16 21−24
QHD / 1440p 9−10 16−18
4K / 2160p 6−7 10−11
low / 720p 45−50 60−65
medium / 1080p 30−35 40−45
The average gaming FPS of Radeon Sky 500 in Assassin's Creed Odyssey is 45% more, than Radeon R9 M395X.

Full Specs

  Radeon R9 M395X Radeon Sky 500
Architecture GCN 3 GCN 1.0
Code name Amethyst XT Pitcairn
Type Laptop Desktop
Release date 16 October 2014 27 March 2013
Pipelines 2048 1280
Core clock speed 723 MHz 950 MHz
Transistor count 5,000 million 2,800 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 92.54 76.00
Floating-point performance 2,961 gflops 2,432 gflops
Length 242 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 1250 MHz 4800 MHz
Memory bandwidth 160.0 GB/s 154 GB/s
Shared memory -
DirectX 12 (11_1)
Shader Model 6.3 5.1
OpenGL 4.4 4.6
OpenCL Not Listed 1.2
Vulkan 1.2.131
FreeSync +
Bus support PCIe 3.0 PCIe 3.0
Bitcoin / BTC (SHA256) 413 Mh/s
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
TrueAudio +
ZeroCore +
Switchable graphics +
Mantle +
Form factor full height / full length
DisplayPort count 1
Dual-link DVI support +
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