Radeon Pro Vega 20 vs Radeon R9 M485X

When comparing Radeon Pro Vega 20 and Radeon R9 M485X, 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 Pro Vega 20 and Radeon R9 M485X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon Pro Vega 20 and Radeon R9 M485X are Laptop Graphics Cards

Note: Radeon Pro Vega 20 and Radeon R9 M485X are only used in laptop graphics. They have 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 Pro Vega 20 or Radeon R9 M485X here:

Main Specs

  Radeon Pro Vega 20 Radeon R9 M485X
Power consumption (TDP) 100 Watt 250 Watt
Interface PCIe 3.0 x16 MXM-B (3.0)
Supplementary power connectors 1x 6-pin + 1x 8-pin None
Memory type HBM2 GDDR5
Maximum RAM amount 4 GB 8 GB MB
Display Connectors No outputs No outputs
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  • Radeon R9 M485X has 150% more power consumption, than Radeon Pro Vega 20.
  • Radeon Pro Vega 20 is connected by PCIe 3.0 x16, and Radeon R9 M485X uses MXM-B (3.0) interface.
  • Radeon R9 M485X has 4 GB more memory, than Radeon Pro Vega 20.
  • Radeon Pro Vega 20 is used in Mobile workstations, and Radeon R9 M485X - in Laptops.
  • Radeon Pro Vega 20 is build with Vega architecture, and Radeon R9 M485X - with GCN 3.
  • Core clock speed of Radeon Pro Vega 20 is 92 MHz higher, than Radeon R9 M485X.
  • Radeon Pro Vega 20 is manufactured by 14 nm process technology, and Radeon R9 M485X - by 28 nm process technology.
  • Memory clock speed of Radeon R9 M485X is 3520 MHz higher, than Radeon Pro Vega 20.

Game benchmarks

high / 1080p 35−40 24−27
ultra / 1080p 21−24 14−16
QHD / 1440p 16−18 10−11
4K / 2160p 10−11 6−7
low / 720p 60−65 45−50
medium / 1080p 40−45 30−35
The average gaming FPS of Radeon Pro Vega 20 in Assassin's Creed Odyssey is 45% more, than Radeon R9 M485X.

Full Specs

  Radeon Pro Vega 20 Radeon R9 M485X
Architecture Vega GCN 3
Code name Vega Mobile Amethyst
Type Mobile workstation Laptop
Release date 15 November 2018 14 May 2016
Pipelines 1280 2048
Core clock speed 815 MHz 723 MHz
Boost Clock 1283 MHz
Transistor count 5,000 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 102.6 92.54
Floating-point performance 2,961 gflops
Memory bus width 1024 Bit 256 Bit
Memory clock speed 1480 MHz 5000 MHz
Memory bandwidth 189.4 GB/s 160.0 GB/s
Shared memory - -
DirectX 12 (12_1) 12 (12_0)
Shader Model 6.3 6.3
OpenGL 4.6 4.6
OpenCL 2.0 2.0
Vulkan 1.2.131 1.2.131
Laptop size large large
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