Radeon HD 7870 vs UHD Graphics 620

In this comparison between Radeon HD 7870 and UHD Graphics 620 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 7870 will be the best choice, for others UHD Graphics 620 will be their preference. Study the comparison tables below and make your choice.

UHD Graphics 620 is a Laptop Graphics Card

Note: UHD Graphics 620 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 UHD Graphics 620 here:

Main Specs

  Radeon HD 7870 UHD Graphics 620
Power consumption (TDP) 175 Watt 15 Watt
Interface PCIe 3.0 x1
Memory type GDDR5 LPDDR3/DDR4
Maximum RAM amount 2 GB 32 GB
Display Connectors No outputs
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  • Radeon HD 7870 has 1066% more power consumption, than UHD Graphics 620.
  • UHD Graphics 620 has 30 GB more memory, than Radeon HD 7870.
  • Radeon HD 7870 is used in Desktops, and UHD Graphics 620 - in Laptops.
  • Radeon HD 7870 is build with GCN architecture, and UHD Graphics 620 - with Gen. 9.5.
  • Core clock speed of Radeon HD 7870 is 700 MHz higher, than UHD Graphics 620.
  • Radeon HD 7870 is manufactured by 28 nm process technology, and UHD Graphics 620 - by 14 nm process technology.

Game benchmarks

high / 1080p 24−27 2−3
ultra / 1080p 14−16 0−1
QHD / 1440p 9−10 0−1
4K / 2160p 6−7
low / 720p 45−50 12−14
medium / 1080p 30−33 3−4
The average gaming FPS of Radeon HD 7870 in Assassin's Creed Odyssey is 466% more, than UHD Graphics 620.

Full Specs

  Radeon HD 7870 UHD Graphics 620
Architecture GCN Gen. 9.5
Code name Pitcairn XT Kaby-Lake-Refresh GT2
Type Desktop Laptop
Release date 5 March 2012 1 September 2017
Pipelines 1280 24
Core clock speed 1000 MHz 300 MHz
Boost Clock 1150 MHz
Transistor count 2800 Million 189 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 27.60
Memory bus width 256 Bit 64/128 Bit
Memory clock speed 4800 MHz
Shared memory - +
DirectX DirectX 11.1, Shader 5.1 12 (12_1)
Shader Model 6.4
OpenGL 4.6
OpenCL 2.1
Vulkan 1.1.103
Monero / XMR (CryptoNight) 0.39 kh/s
Eyefinity +
Decred / DCR (Decred) 0.63 Gh/s
Ethereum / ETH (DaggerHashimoto) 16.6 Mh/s
Zcash / ZEC (Equihash) 145 Sol/s
Quick Sync +
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