Radeon HD 8790M vs Radeon RX Vega M GL

When choosing between Radeon HD 8790M 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 HD 8790M and Radeon RX Vega M GL.

Radeon HD 8790M and Radeon RX Vega M GL are Laptop Graphics Cards

Note: Radeon HD 8790M 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 HD 8790M or Radeon RX Vega M GL here:

Main Specs

  Radeon HD 8790M Radeon RX Vega M GL
Power consumption (TDP) 65 Watt
Interface MXM-A (3.0) IGP
Supplementary power connectors None
Memory type GDDR5 HBM2
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs No outputs
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  • Radeon HD 8790M is connected by MXM-A (3.0), and Radeon RX Vega M GL uses IGP interface.
  • Radeon RX Vega M GL has 2 GB more memory, than Radeon HD 8790M.
  • Both cards are used in Laptops.
  • Radeon HD 8790M is build with GCN architecture, and Radeon RX Vega M GL - with GCN 4.0.
  • Core clock speed of Radeon RX Vega M GL is 81 MHz higher, than Radeon HD 8790M.
  • Radeon HD 8790M is manufactured by 28 nm process technology, and Radeon RX Vega M GL - by 14 nm process technology.
  • Memory clock speed of Radeon HD 8790M is 3100 MHz higher, than Radeon RX Vega M GL.

Game benchmarks

high / 1080p 3−4 16−18
ultra / 1080p 1−2 10−11
QHD / 1440p 0−1 4−5
low / 720p 14−16 35−40
medium / 1080p 6−7 21−24
The average gaming FPS of Radeon RX Vega M GL in Assassin's Creed Odyssey is 250% more, than Radeon HD 8790M.

Full Specs

  Radeon HD 8790M Radeon RX Vega M GL
Architecture GCN GCN 4.0
Code name Mars XTX Polaris 22
Type Laptop Laptop
Release date 16 November 2012 1 February 2018
Pipelines 384 1280
Core clock speed 850 MHz 931 MHz
Boost Clock 900 MHz 1011 MHz
Transistor count 950 million 5,000 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 21.60 80.88
Floating-point performance 691.2 gflops 2,588 gflops
Memory bus width 128 Bit 1024 Bit
Memory clock speed 4500 MHz 1400 MHz
Memory bandwidth 64 GB/s 179.2 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
Bitcoin / BTC (SHA256) 80 Mh/s
Laptop size medium sized
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