Radeon HD 7990 vs Radeon RX Vega M GL

When choosing between Radeon HD 7990 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 7990 and Radeon RX Vega M GL.

Radeon RX Vega M GL is a Laptop Graphics Card

Note: Radeon RX Vega M GL 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 RX Vega M GL here:

Main Specs

  Radeon HD 7990 Radeon RX Vega M GL
Power consumption (TDP) 375 Watt 65 Watt
Interface PCIe 3.0 x16 IGP
Supplementary power connectors 2x 8-pin
Memory type GDDR5 HBM2
Maximum RAM amount 3 GB 4 GB
Display Connectors 1x DVI, 4x mini-DisplayPort No outputs
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  • Radeon HD 7990 has 476% more power consumption, than Radeon RX Vega M GL.
  • Radeon HD 7990 is connected by PCIe 3.0 x16, and Radeon RX Vega M GL uses IGP interface.
  • Radeon RX Vega M GL has 1 GB more memory, than Radeon HD 7990.
  • Radeon HD 7990 is used in Desktops, and Radeon RX Vega M GL - in Laptops.
  • Radeon HD 7990 is build with GCN 1.0 architecture, and Radeon RX Vega M GL - with GCN 4.0.
  • Core clock speed of Radeon HD 7990 is 19 MHz higher, than Radeon RX Vega M GL.
  • Radeon HD 7990 is manufactured by 28 nm process technology, and Radeon RX Vega M GL - by 14 nm process technology.
  • Memory clock speed of Radeon HD 7990 is 4600 MHz higher, than Radeon RX Vega M GL.

Game benchmarks

high / 1080p 35−40 16−18
ultra / 1080p 21−24 10−11
QHD / 1440p 16−18 4−5
4K / 2160p 10−11
low / 720p 60−65 35−40
medium / 1080p 40−45 21−24
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 100% more, than Radeon RX Vega M GL.

Full Specs

  Radeon HD 7990 Radeon RX Vega M GL
Architecture GCN 1.0 GCN 4.0
Code name Malta Polaris 22
Type Desktop Laptop
Release date 24 April 2013 1 February 2018
Pipelines 2048 1280
Core clock speed 950 MHz 931 MHz
Boost Clock 1000 MHz 1011 MHz
Transistor count 4,313 million 5,000 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 128.0 80.88
Floating-point performance 2x 4,096 gflops 2,588 gflops
Length 307 mm
Memory bus width 384 Bit 1024 Bit
Memory clock speed 6000 MHz 1400 MHz
Memory bandwidth 288.0 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) 459 Mh/s
Ethereum / ETH (DaggerHashimoto) 44 Mh/s
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