Radeon HD 6990 vs Radeon Pro 5600M

When choosing between Radeon HD 6990 and Radeon Pro 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 6990 and Radeon Pro 5600M.

Radeon Pro 5600M is a Laptop Graphics Card

Note: Radeon Pro 5600M 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 Pro 5600M here:

Main Specs

  Radeon HD 6990 Radeon Pro 5600M
Power consumption (TDP) 375 Watt 50 Watt
Interface PCIe 2.0 x16 PCIe 4.0 x16
Supplementary power connectors 2x 8-pin None
Memory type GDDR5 HBM2
Maximum RAM amount 2 GB 8 GB
Display Connectors 1x DVI, 4x mini-DisplayPort No outputs
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  • Radeon HD 6990 has 650% more power consumption, than Radeon Pro 5600M.
  • Radeon HD 6990 is connected by PCIe 2.0 x16, and Radeon Pro 5600M uses PCIe 4.0 x16 interface.
  • Radeon Pro 5600M has 6 GB more memory, than Radeon HD 6990.
  • Radeon HD 6990 is used in Desktops, and Radeon Pro 5600M - in Mobile workstations.
  • Radeon HD 6990 is build with TeraScale 3 architecture, and Radeon Pro 5600M - with Navi / RDNA.
  • Radeon HD 6990 is manufactured by 40 nm process technology, and Radeon Pro 5600M - by 7 nm process technology.
  • Memory clock speed of Radeon HD 6990 is 3460 MHz higher, than Radeon Pro 5600M.

Game benchmarks

high / 1080p 14−16 50−55
ultra / 1080p 9−10 30−35
QHD / 1440p 3−4 27−30
4K / 2160p 14−16
low / 720p 30−35 75−80
medium / 1080p 18−20 60−65
The average gaming FPS of Radeon Pro 5600M in Assassin's Creed Odyssey is 233% more, than Radeon HD 6990.

Full Specs

  Radeon HD 6990 Radeon Pro 5600M
Architecture TeraScale 3 Navi / RDNA
Code name Antilles Navi 10
Type Desktop Mobile workstation
Release date 8 March 2011 15 June 2020
Pipelines 1536 2560
Core clock speed 830 MHz
Boost Clock 1265 MHz
Transistor count 2,640 million
Manufacturing process technology 40 nm 7 nm
Texture fill rate 79.68 164.8
Floating-point performance 2x 2,549.8 gflops
Length 295 mm
Memory bus width 256 Bit 2048 Bit
Memory clock speed 5000 MHz 1540 MBps
Memory bandwidth 160.0 GB/s 394.2 GB/s
Shared memory -
DirectX 11.2 (11_0) 12 (12_1)
Shader Model 5.0 6.5
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan N/A 1.2
Bitcoin / BTC (SHA256) 265 Mh/s
Laptop size medium sized
Ethereum / ETH (DaggerHashimoto) 24 Mh/s
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