Which video card for PC to choose?
What is PCI express?
Video cards for PC attach to the motherboard through PCI express slots that can be as large as x1 x4 x8 and x16.
The PCI express standar currently used is PCI Express 2.0 with a frequency of 250MHz and a bandwidth of up to 8GB / s and the most modern PCI Express 3.0 with a bandwidth of up to 15.754 GB / s.
In 2018 the PCI express 4.0 should be launched
What are the best video cards for PC?
The main manufacturers of video cards are AMD and Nvidia, these are the best video cards on the market.
The best AMD video cards
The AMD Radeon video cards are: Radeon RX Vega, Radeon RX, AMD Radeon R9, AMD Radeon R7, AMD Radeon R5
Best NVIDIA video cards
The best video cards of Nvidia are: NVIDIA TITAN Xp, GeForce GTX 1080 Ti, GeForce GTX 1080, GeForce GTX 1070 Ti, GeForce GTX 1070, GeForce GTX 1060, GeForce GTX 1050 Ti, GeForce GTX 1050.
Nvidia also has a class of professional video boards in the Quadro and are: Quadro GP100, Quadro P6000, Quadro P5000, Quadro P4000, Quadro P2000, Quadro P1000, Quadro P600, Quadro P400.
PCI express compatibility 1.0 2.0 3.0
The PCI express video cards are compatible with each other. The only problem using a PCI Express 1.0 slot with a PCI Express 2.0 or 3.0 is that
the base frequency and bandwidth is much lower, reducing performance and also power is lower, only 75W in a PCI 1.0
What are SLI video cards?
Do SLI video cards need to be the same?
SLI is the parallel computing capability of Voodoo 2 and 3dfx cards. It increases the computing capacity by coupling two or three video cards together, the video cards must be the same.
What are CrossFire video cards?
Do the CrossFire video cards need to be the same?
The CrossFire is a system with two PCI express slots so you can put two cards. Unlike the SLI the graphics cards may be different but one must have a CrossFire Master certification.