Radeon HD 6790 vs UHD Graphics 630

In this comparison between Radeon HD 6790 and UHD Graphics 630 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 HD 6790 will be the best choice, for others UHD Graphics 630 will be their preference. Study the comparison tables below and make your choice.

Main Specs

  Radeon HD 6790 UHD Graphics 630
Power consumption (TDP) 150 Watt 15 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x1
Supplementary power connectors 2x 6-pin
Memory type GDDR5 System Shared
Maximum RAM amount 1 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • Radeon HD 6790 has 900% more power consumption, than UHD Graphics 630.
  • Radeon HD 6790 is connected by PCIe 2.0 x16, and UHD Graphics 630 uses PCIe 3.0 x1 interface.
  • Both cards are used in Desktops.
  • Radeon HD 6790 is build with Terascale 2 architecture, and UHD Graphics 630 - with Gen. 9.5.
  • Core clock speed of Radeon HD 6790 is 540 MHz higher, than UHD Graphics 630.
  • Radeon HD 6790 is manufactured by 40 nm process technology, and UHD Graphics 630 - by 14 nm process technology.

Game benchmarks

high / 1080p 7−8 3−4
ultra / 1080p 4−5 1−2
QHD / 1440p 0−1 0−1
low / 720p 18−20 14−16
medium / 1080p 9−10 5−6
The average gaming FPS of Radeon HD 6790 in Assassin's Creed Odyssey is 66% more, than UHD Graphics 630.

Full Specs

  Radeon HD 6790 UHD Graphics 630
Architecture Terascale 2 Gen. 9.5
Code name Barts Kaby-Lake-H-GT2
Type Desktop Desktop
Release date 4 April 2011 1 October 2017
Pipelines 800 24
Core clock speed 840 MHz 300 MHz
Boost Clock 1150 MHz
Transistor count 1,700 million 189 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 33.60 26.45
Floating-point performance 1,344.0 gflops 460.8 gflops
Length 198 mm
Memory bus width 256 Bit 64/128 Bit
Memory clock speed 1050 MHz
Memory bandwidth 134.4 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 2.1
Vulkan N/A 1.1.103
Bitcoin / BTC (SHA256) 122 Mh/s
Quick Sync +
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