Quadro P400 vs Radeon Pro 555

In this comparison between Quadro P400 and Radeon Pro 555 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 Pro 555 will be their preference. Study the comparison tables below and make your choice.

Radeon Pro 555 is a Laptop Graphics Card

Note: Radeon Pro 555 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 Pro 555 here:

Main Specs

  Quadro P400 Radeon Pro 555
Power consumption (TDP) 30 Watt 75 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors None None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 3x mini-DisplayPort No outputs
  Check Price Check Price
  • Radeon Pro 555 has 150% more power consumption, than Quadro P400.
  • Quadro P400 is connected by PCIe 3.0 x16, and Radeon Pro 555 uses PCIe 3.0 x8 interface.
  • Quadro P400 and Radeon Pro 555 have maximum RAM of 2 GB.
  • Quadro P400 is used in Desktops, and Radeon Pro 555 - in Mobile workstations.
  • Quadro P400 is build with Pascal architecture, and Radeon Pro 555 - with Polaris.
  • Core clock speed of Quadro P400 is 373 MHz higher, than Radeon Pro 555.
  • Quadro P400 and Radeon Pro 555 are manufactured by 14 nm process technology.
  • Memory clock speed of Radeon Pro 555 is 1072 MHz higher, than Quadro P400.

Game benchmarks

high / 1080p 7−8 16−18
ultra / 1080p 4−5 9−10
QHD / 1440p 0−1 4−5
4K / 2160p 4−5
low / 720p 18−20 30−35
medium / 1080p 9−10 20−22
The average gaming FPS of Radeon Pro 555 in Assassin's Creed Odyssey is 100% more, than Quadro P400.

Full Specs

  Quadro P400 Radeon Pro 555
Architecture Pascal Polaris
Code name GP107 Polaris 21
Type Workstation Mobile workstation
Release date 7 February 2017 5 June 2017
Pipelines 256 768
Core clock speed 1228 MHz 855 MHz
Boost Clock 1252 MHz
Transistor count 3,300 million 3,000 million
Manufacturing process technology 14 nm 14 nm
Texture fill rate 20.03 40.80
Floating-point performance 679.9 gflops 1,306 gflops
Length 145 mm
Memory bus width 64 Bit 128 Bit
Memory clock speed 4008 MHz 5080 MHz
Memory bandwidth 32.06 GB/s 81.6 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
  Check Price Check Price