Radeon HD 6990M Crossfire vs Radeon RX 5600M

When choosing between Radeon HD 6990M Crossfire and Radeon RX 5600M, 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 6990M Crossfire and Radeon RX 5600M.

Radeon HD 6990M Crossfire and Radeon RX 5600M are Laptop Graphics Cards

Note: Radeon HD 6990M Crossfire and Radeon RX 5600M 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 6990M Crossfire or Radeon RX 5600M here:

Main Specs

  Radeon HD 6990M Crossfire Radeon RX 5600M
Power consumption (TDP) 150 Watt
Interface PCIe 4.0 x16
Supplementary power connectors None
Memory type GDDR5 GDDR6
Maximum RAM amount 2x2 GB 6 GB
Display Connectors No outputs
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  • Radeon RX 5600M has 4 GB more memory, than Radeon HD 6990M Crossfire.
  • Both cards are used in Laptops.
  • Radeon HD 6990M Crossfire is build with Terascale 2 architecture, and Radeon RX 5600M - with Navi / RDNA.
  • Radeon HD 6990M Crossfire is manufactured by 40 nm process technology, and Radeon RX 5600M - by 7 nm process technology.
  • Memory clock speed of Radeon RX 5600M is 11100 MHz higher, than Radeon HD 6990M Crossfire.

Game benchmarks

high / 1080p 35−40 35−40
ultra / 1080p 21−24 21−24
QHD / 1440p 16−18 16−18
4K / 2160p 10−11 10−11
low / 720p 60−65 60−65
medium / 1080p 40−45 40−45
Radeon HD 6990M Crossfire and Radeon RX 5600M have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  Radeon HD 6990M Crossfire Radeon RX 5600M
Architecture Terascale 2 Navi / RDNA
Code name Blackcomb XTX Navi 10
Type Laptop Laptop
Release date 12 July 2011 7 January 2020
Pipelines 2240 2304
Core clock speed 715 MHz
Boost Clock 1265 MHz
Transistor count 2x1700 Million 10,300 million
Manufacturing process technology 40 nm 7 nm
Texture fill rate 182.2
Memory bus width 256 Bit 192 Bit
Memory clock speed 900 MHz 12000 MHz
Memory bandwidth 288.0 GB/s
Shared memory - -
DirectX DirectX 11, Shader 5.0 12 (12_1)
Shader Model 6.5
OpenGL 4.6
OpenCL 2.0
Vulkan 1.2
Laptop size large medium sized
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