Radeon R7 M340 vs Radeon RX Vega M GL

When choosing between Radeon R7 M340 and Radeon RX Vega M GL, 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 R7 M340 and Radeon RX Vega M GL.

Radeon R7 M340 and Radeon RX Vega M GL are Laptop Graphics Cards

Note: Radeon R7 M340 and Radeon RX Vega M GL 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 R7 M340 or Radeon RX Vega M GL here:

Main Specs

  Radeon R7 M340 Radeon RX Vega M GL
Power consumption (TDP) 65 Watt
Interface PCIe 3.0 x8 IGP
Supplementary power connectors None
Memory type DDR3 HBM2
Maximum RAM amount 4 GB 4 GB
Display Connectors No outputs No outputs
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  • Radeon R7 M340 is connected by PCIe 3.0 x8, and Radeon RX Vega M GL uses IGP interface.
  • Radeon R7 M340 and Radeon RX Vega M GL have maximum RAM of 4 GB.
  • Both cards are used in Laptops.
  • Radeon R7 M340 is build with GCN architecture, and Radeon RX Vega M GL - with GCN 4.0.
  • Core clock speed of Radeon R7 M340 is 90 MHz higher, than Radeon RX Vega M GL.
  • Radeon R7 M340 is manufactured by 28 nm process technology, and Radeon RX Vega M GL - by 14 nm process technology.
  • Memory clock speed of Radeon RX Vega M GL is 400 MHz higher, than Radeon R7 M340.

Game benchmarks

high / 1080p 0−1 16−18
ultra / 1080p 10−11
QHD / 1440p 0−1 4−5
low / 720p 1−2 35−40
medium / 1080p 0−1 21−24
The average gaming FPS of Radeon RX Vega M GL in Assassin's Creed Odyssey is 3600% more, than Radeon R7 M340.

Full Specs

  Radeon R7 M340 Radeon RX Vega M GL
Architecture GCN GCN 4.0
Code name Meso Pro DDR3 Polaris 22
Type Laptop Laptop
Release date 16 June 2015 1 February 2018
Pipelines 320 1280
Core clock speed 1021 MHz 931 MHz
Boost Clock 1021 MHz 1011 MHz
Transistor count 950 million 5,000 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 17.16 80.88
Floating-point performance 549.1 gflops 2,588 gflops
Memory bus width 128 Bit 1024 Bit
Memory clock speed 1000 MHz 1400 MHz
Memory bandwidth 16 GB/s 179.2 GB/s
Shared memory - -
DirectX 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.4 4.6
OpenCL Not Listed 2.0
Vulkan + 1.2.131
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 74 Mh/s
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 6
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