GeForce GTX 850A vs Radeon Pro Vega 20

When comparing GeForce GTX 850A and Radeon Pro Vega 20, 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 GeForce GTX 850A and Radeon Pro Vega 20 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon Pro Vega 20 is a Laptop Graphics Card

Note: Radeon Pro Vega 20 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 Pro Vega 20 here:

Main Specs

  GeForce GTX 850A Radeon Pro Vega 20
Power consumption (TDP) 45 Watt 100 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin
Memory type DDR3 HBM2
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs No outputs
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  • Radeon Pro Vega 20 has 122% more power consumption, than GeForce GTX 850A.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon Pro Vega 20 has 2 GB more memory, than GeForce GTX 850A.
  • GeForce GTX 850A is used in Desktops, and Radeon Pro Vega 20 - in Mobile workstations.
  • GeForce GTX 850A is build with Maxwell architecture, and Radeon Pro Vega 20 - with Vega.
  • Core clock speed of GeForce GTX 850A is 87 MHz higher, than Radeon Pro Vega 20.
  • GeForce GTX 850A is manufactured by 28 nm process technology, and Radeon Pro Vega 20 - by 14 nm process technology.
  • Memory clock speed of GeForce GTX 850A is 320 MHz higher, than Radeon Pro Vega 20.

Game benchmarks

high / 1080p 1−2 35−40
ultra / 1080p 0−1 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 12−14 60−65
medium / 1080p 3−4 40−45
The average gaming FPS of Radeon Pro Vega 20 in Assassin's Creed Odyssey is 683% more, than GeForce GTX 850A.

Full Specs

  GeForce GTX 850A Radeon Pro Vega 20
Architecture Maxwell Vega
Code name GM107 Vega Mobile
Type Desktop Mobile workstation
Release date 17 March 2014 15 November 2018
Pipelines 640 1280
Core clock speed 902 MHz 815 MHz
Boost Clock 936 MHz 1283 MHz
Transistor count 1,870 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 37.44 102.6
Floating-point performance 1,198 gflops
Memory bus width 128 Bit 1024 Bit
Memory clock speed 1800 MHz 1480 MHz
Memory bandwidth 28.8 GB/s 189.4 GB/s
Shared memory -
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.3
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.1.126 1.2.131
CUDA 5.0
Laptop size large
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