Radeon R9 M485X vs Radeon Sky 500

When comparing Radeon R9 M485X and Radeon Sky 500, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon R9 M485X and Radeon Sky 500 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon R9 M485X is a Laptop Graphics Card

Note: Radeon R9 M485X 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 M485X here:

Main Specs

  Radeon R9 M485X Radeon Sky 500
Power consumption (TDP) 250 Watt 150 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Supplementary power connectors None 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 8 GB MB 4 GB
Display Connectors No outputs 1x DisplayPort
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  • Radeon R9 M485X has 66% more power consumption, than Radeon Sky 500.
  • Radeon R9 M485X is connected by MXM-B (3.0), and Radeon Sky 500 uses PCIe 3.0 x16 interface.
  • Radeon R9 M485X has 4 GB more memory, than Radeon Sky 500.
  • Radeon R9 M485X is used in Laptops, and Radeon Sky 500 - in Desktops.
  • Radeon R9 M485X 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 M485X.
  • Radeon R9 M485X and Radeon Sky 500 are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon R9 M485X is 200 MHz higher, than Radeon Sky 500.

Game benchmarks

high / 1080p 24−27 35−40
ultra / 1080p 14−16 21−24
QHD / 1440p 10−11 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 M485X.

Full Specs

  Radeon R9 M485X Radeon Sky 500
Architecture GCN 3 GCN 1.0
Code name Amethyst Pitcairn
Type Laptop Desktop
Release date 14 May 2016 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 5000 MHz 4800 MHz
Memory bandwidth 160.0 GB/s 154 GB/s
Shared memory -
DirectX 12 (12_0) 12 (11_1)
Shader Model 6.3 5.1
OpenGL 4.6 4.6
OpenCL 2.0 1.2
Vulkan 1.2.131 1.2.131
Bus support PCIe 3.0
Laptop size large
Form factor full height / full length
DisplayPort count 1
Dual-link DVI support +
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