Radeon Pro 555 vs Radeon R6 M340DX

When choosing between Radeon Pro 555 and Radeon R6 M340DX, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon Pro 555 and Radeon R6 M340DX.

Radeon Pro 555 and Radeon R6 M340DX are Laptop Graphics Cards

Note: Radeon Pro 555 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 555 or Radeon R6 M340DX here:

Main Specs

  Radeon Pro 555 Radeon R6 M340DX
Power consumption (TDP) 75 Watt
Interface PCIe 3.0 x8 IGP
Supplementary power connectors None
Memory type GDDR5 DDR3
Maximum RAM amount 2 GB
Display Connectors No outputs No outputs
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  • Radeon Pro 555 is connected by PCIe 3.0 x8, and Radeon R6 M340DX uses IGP interface.
  • Radeon Pro 555 is used in Mobile workstations, and Radeon R6 M340DX - in Laptops.
  • Radeon Pro 555 is build with Polaris architecture, and Radeon R6 M340DX - with GCN.
  • Radeon Pro 555 is manufactured by 14 nm process technology, and Radeon R6 M340DX - by 28 nm process technology.

Game benchmarks

high / 1080p 16−18 2−3
ultra / 1080p 9−10 2−3
QHD / 1440p 4−5 0−1
4K / 2160p 4−5
low / 720p 30−35 10−11
medium / 1080p 20−22 3−4
The average gaming FPS of Radeon Pro 555 in Assassin's Creed Odyssey is 400% more, than Radeon R6 M340DX.

Full Specs

  Radeon Pro 555 Radeon R6 M340DX
Architecture Polaris GCN
Code name Polaris 21 Jet
Type Mobile workstation Laptop
Release date 5 June 2017 3 June 2015
Pipelines 768 704
Core clock speed 855 MHz
Boost Clock 1030 MHz
Transistor count 3,000 million 690 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 40.80 24.72
Floating-point performance 1,306 gflops
Memory bus width 128 Bit
Memory clock speed 5080 MHz
Memory bandwidth 81.6 GB/s
Shared memory - -
DirectX 12 (12_0) 12 (11_1)
Shader Model 6.4 5.1
OpenGL 4.6 4.6
OpenCL 2.0 1.2
Vulkan 1.2.131 1.2.131
FreeSync +
Laptop size large medium sized
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