HD Graphics 4400 vs UHD Graphics 620

Find out if it is worth upgrading your current GPU setup by comparing HD Graphics 4400 and UHD Graphics 620. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between HD Graphics 4400 and UHD Graphics 620. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

HD Graphics 4400 and UHD Graphics 620 are Laptop Graphics Cards

Note: HD Graphics 4400 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 HD Graphics 4400 or UHD Graphics 620 here:

Main Specs

  HD Graphics 4400 UHD Graphics 620
Power consumption (TDP) 20 Watt 15 Watt
Interface PCIe 1.0 x16 PCIe 3.0 x1
Memory type System Shared LPDDR3/DDR4
Maximum RAM amount 32 GB
Display Connectors No outputs No outputs
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  • HD Graphics 4400 has 33% more power consumption, than UHD Graphics 620.
  • HD Graphics 4400 is connected by PCIe 1.0 x16, and UHD Graphics 620 uses PCIe 3.0 x1 interface.
  • Both cards are used in Laptops.
  • HD Graphics 4400 is build with Gen. 7.5 Haswell architecture, and UHD Graphics 620 - with Gen. 9.5.
  • Core clock speed of UHD Graphics 620 is 100 MHz higher, than HD Graphics 4400.
  • HD Graphics 4400 is manufactured by 22 nm process technology, and UHD Graphics 620 - by 14 nm process technology.

Game benchmarks

high / 1080p 0−1 2−3
ultra / 1080p 0−1
QHD / 1440p 0−1 0−1
low / 720p 2−3 12−14
medium / 1080p 0−1 3−4
The average gaming FPS of UHD Graphics 620 in Assassin's Creed Odyssey is 550% more, than HD Graphics 4400.

Full Specs

  HD Graphics 4400 UHD Graphics 620
Architecture Gen. 7.5 Haswell Gen. 9.5
Code name Haswell GT2 Kaby-Lake-Refresh GT2
Type Laptop Laptop
Release date 5 June 2013 1 September 2017
Pipelines 20 24
Core clock speed 200 MHz 300 MHz
Boost Clock 1100 MHz 1150 MHz
Transistor count 392 million 189 million
Manufacturing process technology 22 nm 14 nm
Texture fill rate 22.00 27.60
Floating-point performance 46 gflops
Memory bus width 64/128 Bit 64/128 Bit
Shared memory + +
DirectX 12 (11_1) 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.3 4.6
OpenCL 1.2 2.1
Vulkan 1.1.80 1.1.103
Quick Sync + +
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