Quadro P400 vs Radeon R8 M445DX

In this comparison between Quadro P400 and Radeon R8 M445DX 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 R8 M445DX will be their preference. Study the comparison tables below and make your choice.

Radeon R8 M445DX is a Laptop Graphics Card

Note: Radeon R8 M445DX 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 R8 M445DX here:

Main Specs

  Quadro P400 Radeon R8 M445DX
Power consumption (TDP) 30 Watt
Interface PCIe 3.0 x16 IGP
Supplementary power connectors None
Memory type GDDR5 DDR4/DDR3
Maximum RAM amount 2 GB
Display Connectors 3x mini-DisplayPort No outputs
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  • Quadro P400 is connected by PCIe 3.0 x16, and Radeon R8 M445DX uses IGP interface.
  • Quadro P400 is used in Desktops, and Radeon R8 M445DX - in Laptops.
  • Quadro P400 is build with Pascal architecture, and Radeon R8 M445DX - with GCN.
  • Core clock speed of Quadro P400 is 508 MHz higher, than Radeon R8 M445DX.
  • Quadro P400 is manufactured by 14 nm process technology, and Radeon R8 M445DX - by 28 nm process technology.
  • Memory clock speed of Quadro P400 is 3075 MHz higher, than Radeon R8 M445DX.

Game benchmarks

high / 1080p 7−8 0−1
ultra / 1080p 4−5
QHD / 1440p 0−1 0−1
low / 720p 18−20 1−2
medium / 1080p 9−10 0−1
The average gaming FPS of Quadro P400 in Assassin's Creed Odyssey is 1800% more, than Radeon R8 M445DX.

Full Specs

  Quadro P400 Radeon R8 M445DX
Architecture Pascal GCN
Code name GP107 Meso
Type Workstation Laptop
Release date 7 February 2017 1 June 2016
Pipelines 256 704
Core clock speed 1228 MHz 720 / 1020 MHz
Boost Clock 1252 MHz 1021 MHz
Transistor count 3,300 million 1,550 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 20.03 20.42
Floating-point performance 679.9 gflops
Length 145 mm
Memory bus width 64 Bit 128 + 64 Bit
Memory clock speed 4008 MHz 933 / 1000 MHz
Memory bandwidth 32.06 GB/s
Shared memory -
DirectX 12 (12_1) 12 (12_0)
Shader Model 6.4 6.0
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131 1.2.131
CUDA 6.1
Laptop size medium sized
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