Mobility Radeon HD 5870 Crossfire vs UHD Graphics 620

If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 5870 Crossfire and UHD Graphics 620, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Mobility Radeon HD 5870 Crossfire stacks up against UHD Graphics 620, check out specs charts below.

Mobility Radeon HD 5870 Crossfire and UHD Graphics 620 are Laptop Graphics Cards

Note: Mobility Radeon HD 5870 Crossfire and UHD Graphics 620 are only used in laptop graphics. They have 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 Mobility Radeon HD 5870 Crossfire or UHD Graphics 620 here:

Main Specs

  Mobility Radeon HD 5870 Crossfire UHD Graphics 620
Power consumption (TDP) 120 Watt 15 Watt
Interface PCIe 3.0 x1
Memory type DDR3, GDDR3, GDDR5 LPDDR3/DDR4
Maximum RAM amount 2x1 GB 32 GB
Display Connectors No outputs
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  • Mobility Radeon HD 5870 Crossfire has 700% more power consumption, than UHD Graphics 620.
  • UHD Graphics 620 has 30 GB more memory, than Mobility Radeon HD 5870 Crossfire.
  • Both cards are used in Laptops.
  • Mobility Radeon HD 5870 Crossfire is build with Terascale 2 architecture, and UHD Graphics 620 - with Gen. 9.5.
  • Core clock speed of Mobility Radeon HD 5870 Crossfire is 400 MHz higher, than UHD Graphics 620.
  • Mobility Radeon HD 5870 Crossfire is manufactured by 40 nm process technology, and UHD Graphics 620 - by 14 nm process technology.

Game benchmarks

high / 1080p 16−18 2−3
ultra / 1080p 9−10 0−1
QHD / 1440p 4−5 0−1
low / 720p 30−35 12−14
medium / 1080p 18−20 3−4
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Assassin's Creed Odyssey is 266% more, than UHD Graphics 620.

Full Specs

  Mobility Radeon HD 5870 Crossfire UHD Graphics 620
Architecture Terascale 2 Gen. 9.5
Code name Broadway-XT Kaby-Lake-Refresh GT2
Type Laptop Laptop
Release date 7 January 2010 1 September 2017
Pipelines 1600 24
Core clock speed 700 MHz 300 MHz
Boost Clock 1150 MHz
Transistor count 189 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 27.60
Memory bus width 128 Bit 64/128 Bit
Memory clock speed 1000 MHz
Shared memory - +
DirectX DirectX 11, Shader 5.0 12 (12_1)
Shader Model 6.4
OpenGL 4.6
OpenCL 2.1
Vulkan 1.1.103
Laptop size large
Quick Sync +
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