Radeon Pro Vega 20 vs Radeon R6 M340DX

In this comparison between Radeon Pro Vega 20 and Radeon R6 M340DX you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon Pro Vega 20 will be the best choice, for others Radeon R6 M340DX will be their preference. Study the comparison tables below and make your choice.

Radeon Pro Vega 20 and Radeon R6 M340DX are Laptop Graphics Cards

Note: Radeon Pro Vega 20 and Radeon R6 M340DX 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 R6 M340DX here:

Main Specs

  Radeon Pro Vega 20 Radeon R6 M340DX
Power consumption (TDP) 100 Watt
Interface PCIe 3.0 x16 IGP
Supplementary power connectors 1x 6-pin + 1x 8-pin
Memory type HBM2 DDR3
Maximum RAM amount 4 GB
Display Connectors No outputs No outputs
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  • Radeon Pro Vega 20 is connected by PCIe 3.0 x16, and Radeon R6 M340DX uses IGP interface.
  • Radeon Pro Vega 20 is used in Mobile workstations, and Radeon R6 M340DX - in Laptops.
  • Radeon Pro Vega 20 is build with Vega architecture, and Radeon R6 M340DX - with GCN.
  • Radeon Pro Vega 20 is manufactured by 14 nm process technology, and Radeon R6 M340DX - by 28 nm process technology.

Game benchmarks

high / 1080p 35−40 2−3
ultra / 1080p 21−24 2−3
QHD / 1440p 16−18 0−1
4K / 2160p 10−11
low / 720p 60−65 10−11
medium / 1080p 40−45 3−4
The average gaming FPS of Radeon Pro Vega 20 in Assassin's Creed Odyssey is 925% more, than Radeon R6 M340DX.

Full Specs

  Radeon Pro Vega 20 Radeon R6 M340DX
Architecture Vega GCN
Code name Vega Mobile Jet
Type Mobile workstation Laptop
Release date 15 November 2018 3 June 2015
Pipelines 1280 704
Core clock speed 815 MHz
Boost Clock 1283 MHz 1030 MHz
Transistor count 690 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 102.6 24.72
Memory bus width 1024 Bit
Memory clock speed 1480 MHz
Memory bandwidth 189.4 GB/s
Shared memory - -
DirectX 12 (12_1) 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
Laptop size large medium sized
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