Radeon R6 M340DX vs Radeon RX 550

Find out if it is worth upgrading your current GPU setup by comparing Radeon R6 M340DX and Radeon RX 550. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon R6 M340DX and Radeon RX 550. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Radeon R6 M340DX is a Laptop Graphics Card

Note: Radeon R6 M340DX 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 R6 M340DX here:

Main Specs

  Radeon R6 M340DX Radeon RX 550
Power consumption (TDP) 50 Watt
Interface IGP PCIe 3.0 x8
Supplementary power connectors None
Memory type DDR3 GDDR5
Maximum RAM amount 4 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R6 M340DX is connected by IGP, and Radeon RX 550 uses PCIe 3.0 x8 interface.
  • Radeon R6 M340DX is used in Laptops, and Radeon RX 550 - in Desktops.
  • Radeon R6 M340DX is build with GCN architecture, and Radeon RX 550 - with GCN 4.0.
  • Radeon R6 M340DX is manufactured by 28 nm process technology, and Radeon RX 550 - by 14 nm process technology.

Game benchmarks

high / 1080p 2−3 14−16
ultra / 1080p 2−3 8−9
QHD / 1440p 0−1 3−4
low / 720p 10−11 30−33
medium / 1080p 3−4 18−20
The average gaming FPS of Radeon RX 550 in Assassin's Creed Odyssey is 350% more, than Radeon R6 M340DX.

Full Specs

  Radeon R6 M340DX Radeon RX 550
Architecture GCN GCN 4.0
Code name Jet Lexa
Type Laptop Desktop
Release date 3 June 2015 20 April 2017
Pipelines 704 512
Core clock speed 1100 MHz
Boost Clock 1030 MHz 1183 MHz
Transistor count 690 million 2,200 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 24.72 37.86
Floating-point performance 1,211 gflops
Length 145 mm
Memory bus width 128 Bit
Memory clock speed 7000 MHz
Memory bandwidth 112.0 GB/s
Shared memory -
DirectX 12 (11_1) 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131 1.2.131
Laptop size medium sized
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