Radeon HD 7990 vs Radeon RX 5600M

When choosing between Radeon HD 7990 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 7990 and Radeon RX 5600M.

Radeon RX 5600M is a Laptop Graphics Card

Note: Radeon RX 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 RX 5600M here:

Main Specs

  Radeon HD 7990 Radeon RX 5600M
Power consumption (TDP) 375 Watt 150 Watt
Interface PCIe 3.0 x16 PCIe 4.0 x16
Supplementary power connectors 2x 8-pin None
Memory type GDDR5 GDDR6
Maximum RAM amount 3 GB 6 GB
Display Connectors 1x DVI, 4x mini-DisplayPort No outputs
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  • Radeon HD 7990 has 150% more power consumption, than Radeon RX 5600M.
  • Radeon HD 7990 is connected by PCIe 3.0 x16, and Radeon RX 5600M uses PCIe 4.0 x16 interface.
  • Radeon RX 5600M has 3 GB more memory, than Radeon HD 7990.
  • Radeon HD 7990 is used in Desktops, and Radeon RX 5600M - in Laptops.
  • Radeon HD 7990 is build with GCN 1.0 architecture, and Radeon RX 5600M - with Navi / RDNA.
  • Radeon HD 7990 is manufactured by 28 nm process technology, and Radeon RX 5600M - by 7 nm process technology.
  • Memory clock speed of Radeon RX 5600M is 6000 MHz higher, than Radeon HD 7990.

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 7990 and Radeon RX 5600M have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  Radeon HD 7990 Radeon RX 5600M
Architecture GCN 1.0 Navi / RDNA
Code name Malta Navi 10
Type Desktop Laptop
Release date 24 April 2013 7 January 2020
Pipelines 2048 2304
Core clock speed 950 MHz
Boost Clock 1000 MHz 1265 MHz
Transistor count 4,313 million 10,300 million
Manufacturing process technology 28 nm 7 nm
Texture fill rate 128.0 182.2
Floating-point performance 2x 4,096 gflops
Length 307 mm
Memory bus width 384 Bit 192 Bit
Memory clock speed 6000 MHz 12000 MHz
Memory bandwidth 288.0 GB/s 288.0 GB/s
Shared memory -
DirectX 12 (11_1) 12 (12_1)
Shader Model 5.1 6.5
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131 1.2
Bitcoin / BTC (SHA256) 459 Mh/s
Laptop size medium sized
Ethereum / ETH (DaggerHashimoto) 44 Mh/s
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