GeForce 820A vs Quadro P400

In this comparison between GeForce 820A and Quadro P400 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 GeForce 820A will be the best choice, for others Quadro P400 will be their preference. Study the comparison tables below and make your choice.

Main Specs

  GeForce 820A Quadro P400
Power consumption (TDP) 15 Watt 30 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors None
Memory type DDR3 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors No outputs 3x mini-DisplayPort
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  • Quadro P400 has 100% more power consumption, than GeForce 820A.
  • GeForce 820A is connected by PCIe 2.0 x16, and Quadro P400 uses PCIe 3.0 x16 interface.
  • Quadro P400 has 1 GB more memory, than GeForce 820A.
  • Both cards are used in Desktops.
  • GeForce 820A is build with Fermi 2.0 architecture, and Quadro P400 - with Pascal.
  • Core clock speed of Quadro P400 is 453 MHz higher, than GeForce 820A.
  • GeForce 820A is manufactured by 28 nm process technology, and Quadro P400 - by 14 nm process technology.
  • Memory clock speed of Quadro P400 is 2208 MHz higher, than GeForce 820A.

Game benchmarks

high / 1080p 0−1 7−8
ultra / 1080p 4−5
QHD / 1440p 0−1 0−1
low / 720p 1−2 18−20
medium / 1080p 0−1 9−10
The average gaming FPS of Quadro P400 in Assassin's Creed Odyssey is 1800% more, than GeForce 820A.

Full Specs

  GeForce 820A Quadro P400
Architecture Fermi 2.0 Pascal
Code name GF117 GP107
Type Desktop Workstation
Release date 17 March 2014 7 February 2017
Pipelines 96 256
Core clock speed 775 MHz 1228 MHz
Boost Clock 1252 MHz
Transistor count 585 million 3,300 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 12.40 20.03
Floating-point performance 297.6 gflops 679.9 gflops
Length 145 mm
Memory bus width 64 Bit 64 Bit
Memory clock speed 1800 MHz 4008 MHz
Memory bandwidth 14.4 GB/s 32.06 GB/s
DirectX 12 (11_0) 12 (12_1)
Shader Model 5.1 6.4
OpenGL 4.6 4.6
OpenCL 1.1 1.2
Vulkan N/A 1.2.131
CUDA 2.1 6.1
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