Quadro P400 vs Radeon RX 550X mobile

When comparing Quadro P400 and Radeon RX 550X mobile, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Quadro P400 and Radeon RX 550X mobile is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon RX 550X mobile is a Laptop Graphics Card

Note: Radeon RX 550X mobile 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 Radeon RX 550X mobile here:

Main Specs

  Quadro P400 Radeon RX 550X mobile
Power consumption (TDP) 30 Watt 50 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 3x mini-DisplayPort No outputs
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  • Radeon RX 550X mobile has 66% more power consumption, than Quadro P400.
  • Quadro P400 is connected by PCIe 3.0 x16, and Radeon RX 550X mobile uses PCIe 3.0 x8 interface.
  • Radeon RX 550X mobile has 2 GB more memory, than Quadro P400.
  • Quadro P400 is used in Desktops, and Radeon RX 550X mobile - in Laptops.
  • Quadro P400 is build with Pascal architecture, and Radeon RX 550X mobile - with Polaris.
  • Core clock speed of Quadro P400 is 52 MHz higher, than Radeon RX 550X mobile.
  • Quadro P400 and Radeon RX 550X mobile are manufactured by 14 nm process technology.
  • Memory clock speed of Radeon RX 550X mobile is 2992 MHz higher, than Quadro P400.

Game benchmarks

high / 1080p 7−8 14−16
ultra / 1080p 4−5 9−10
QHD / 1440p 0−1 3−4
low / 720p 18−20 30−35
medium / 1080p 9−10 20−22
The average gaming FPS of Radeon RX 550X mobile in Assassin's Creed Odyssey is 90% more, than Quadro P400.

Full Specs

  Quadro P400 Radeon RX 550X mobile
Architecture Pascal Polaris
Code name GP107 Polaris 12
Type Workstation Laptop
Release date 7 February 2017 10 January 2019
Pipelines 256 640
Core clock speed 1228 MHz 1176 MHz
Boost Clock 1252 MHz 1287 MHz
Transistor count 3,300 million 2,200 million
Manufacturing process technology 14 nm 14 nm
Texture fill rate 20.03 51.48
Floating-point performance 679.9 gflops
Length 145 mm
Memory bus width 64 Bit 128 Bit
Memory clock speed 4008 MHz 7000 MHz
Memory bandwidth 32.06 GB/s 96 GB/s
Shared memory -
DirectX 12 (12_1) 12 (12_0)
Shader Model 6.4 6.4
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131 1.2.131
CUDA 6.1
FreeSync +
Laptop size large
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