Quadro P400 vs UHD Graphics 620

Find out if it is worth upgrading your current GPU setup by comparing Quadro P400 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 Quadro P400 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.

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

  Quadro P400 UHD Graphics 620
Power consumption (TDP) 30 Watt 15 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x1
Supplementary power connectors None
Memory type GDDR5 LPDDR3/DDR4
Maximum RAM amount 2 GB 32 GB
Display Connectors 3x mini-DisplayPort No outputs
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  • Quadro P400 has 100% more power consumption, than UHD Graphics 620.
  • Quadro P400 is connected by PCIe 3.0 x16, and UHD Graphics 620 uses PCIe 3.0 x1 interface.
  • UHD Graphics 620 has 30 GB more memory, than Quadro P400.
  • Quadro P400 is used in Desktops, and UHD Graphics 620 - in Laptops.
  • Quadro P400 is build with Pascal architecture, and UHD Graphics 620 - with Gen. 9.5.
  • Core clock speed of Quadro P400 is 928 MHz higher, than UHD Graphics 620.
  • Quadro P400 and UHD Graphics 620 are manufactured by 14 nm process technology.

Game benchmarks

high / 1080p 7−8 2−3
ultra / 1080p 4−5 0−1
QHD / 1440p 0−1 0−1
low / 720p 18−20 12−14
medium / 1080p 9−10 3−4
The average gaming FPS of Quadro P400 in Assassin's Creed Odyssey is 100% more, than UHD Graphics 620.

Full Specs

  Quadro P400 UHD Graphics 620
Architecture Pascal Gen. 9.5
Code name GP107 Kaby-Lake-Refresh GT2
Type Workstation Laptop
Release date 7 February 2017 1 September 2017
Pipelines 256 24
Core clock speed 1228 MHz 300 MHz
Boost Clock 1252 MHz 1150 MHz
Transistor count 3,300 million 189 million
Manufacturing process technology 14 nm 14 nm
Texture fill rate 20.03 27.60
Floating-point performance 679.9 gflops
Length 145 mm
Memory bus width 64 Bit 64/128 Bit
Memory clock speed 4008 MHz
Memory bandwidth 32.06 GB/s
Shared memory +
DirectX 12 (12_1) 12 (12_1)
Shader Model 6.4 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.1
Vulkan 1.2.131 1.1.103
CUDA 6.1
Quick Sync +
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