Quadro P400 vs Radeon RX 550X

In this comparison between Quadro P400 and Radeon RX 550X 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 Quadro P400 will be the best choice, for others Radeon RX 550X will be their preference. Study the comparison tables below and make your choice.

Main Specs

  Quadro P400 Radeon RX 550X
Power consumption (TDP) 30 Watt 50 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors None None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 3x mini-DisplayPort 1x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon RX 550X has 66% more power consumption, than Quadro P400.
  • Quadro P400 is connected by PCIe 3.0 x16, and Radeon RX 550X uses PCIe 3.0 x8 interface.
  • Radeon RX 550X has 2 GB more memory, than Quadro P400.
  • Both cards are used in Desktops.
  • Quadro P400 is build with Pascal architecture, and Radeon RX 550X - with GCN 4.0.
  • Core clock speed of Quadro P400 is 128 MHz higher, than Radeon RX 550X.
  • Quadro P400 and Radeon RX 550X are manufactured by 14 nm process technology.
  • Both graphics cards are the same length of 145 mm.
  • Memory clock speed of Radeon RX 550X is 1992 MHz higher, than Quadro P400.

Game benchmarks

high / 1080p 7−8 10−11
ultra / 1080p 4−5 6−7
QHD / 1440p 0−1 0−1
low / 720p 18−20 21−24
medium / 1080p 9−10 12−14
The average gaming FPS of Radeon RX 550X in Assassin's Creed Odyssey is 30% more, than Quadro P400.

Full Specs

  Quadro P400 Radeon RX 550X
Architecture Pascal GCN 4.0
Code name GP107 Lexa
Type Workstation Desktop
Release date 7 February 2017 16 December 2018
Pipelines 256 512
Core clock speed 1228 MHz 1100 MHz
Boost Clock 1252 MHz 1183 MHz
Transistor count 3,300 million 2,200 million
Manufacturing process technology 14 nm 14 nm
Texture fill rate 20.03 37.86
Floating-point performance 679.9 gflops 1,211 gflops
Length 145 mm 145 mm
Memory bus width 64 Bit 128 Bit
Memory clock speed 4008 MHz 6000 MHz
Memory bandwidth 32.06 GB/s 96 GB/s
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
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