Radeon 630 vs Radeon HD 7990

In this comparison between Radeon 630 and Radeon HD 7990 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon 630 will be the best choice, for others Radeon HD 7990 will be their preference. Study the comparison tables below and make your choice.

Radeon 630 is a Laptop Graphics Card

Note: Radeon 630 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 630 here:

Main Specs

  Radeon 630 Radeon HD 7990
Power consumption (TDP) 50 Watt 375 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 3 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort 1x DVI, 4x mini-DisplayPort
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  • Radeon HD 7990 has 650% more power consumption, than Radeon 630.
  • Radeon 630 is connected by PCIe 3.0 x8, and Radeon HD 7990 uses PCIe 3.0 x16 interface.
  • Radeon 630 has 1 GB more memory, than Radeon HD 7990.
  • Radeon 630 is used in Laptops, and Radeon HD 7990 - in Desktops.
  • Radeon 630 and Radeon HD 7990 are build with GCN 1.0 architecture.
  • Radeon 630 is manufactured by 14 nm process technology, and Radeon HD 7990 - by 28 nm process technology.
  • Memory clock speed of Radeon 630 and Radeon HD 7990 is 6000 MHz.

Game benchmarks

high / 1080p 3−4 35−40
ultra / 1080p 1−2 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 14−16 60−65
medium / 1080p 6−7 40−45
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 583% more, than Radeon 630.

Full Specs

  Radeon 630 Radeon HD 7990
Architecture GCN 1.0 GCN 1.0
Code name Lexa Malta
Type Laptop Desktop
Release date 12 August 2019 24 April 2013
Pipelines 512 2048
Core clock speed 950 MHz
Boost Clock 1219 MHz 1000 MHz
Transistor count 2,200 million 4,313 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 128.0
Floating-point performance 2x 4,096 gflops
Length 307 mm
Memory bus width 64 Bit 384 Bit
Memory clock speed 6000 MHz 6000 MHz
Memory bandwidth 288.0 GB/s
Shared memory -
DirectX DirectX 12, Shader 5.0 12 (11_1)
Shader Model 5.1
OpenGL 4.6 4.6
OpenCL 1.2
Vulkan + 1.2.131
Bitcoin / BTC (SHA256) 459 Mh/s
Ethereum / ETH (DaggerHashimoto) 44 Mh/s
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