Graphics chip manufacturers include NVIDIA and ati.
ATi(Array Technology Industry) is a world-renowned manufacturer of display chips, equal to NVIDIA. Between 1985 and 2006, it was an important display chip company in the world, headquartered in Markham, Ontario, Canada, and became a part of AMD after being acquired by AMD in 2006 for a huge sum of 5.4 billion US dollars.
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The performance of the display main chip directly determines the performance of the display card. Different display chips, whether from the internal structure or its performance, there are differences, and their prices are also very different. The position of the display chip in the graphics card is equivalent to the position of the CPU in the computer and is the core of the entire graphics card.
Because of the complexity of display chips, the design and manufacture of display chips are only two companies, NVIDIA and ATI. SIS, VIA and other companies are producing integrated graphics chips. Home entertainment graphics cards all use a single chip design of the display chip, and in some professional workstation graphics cards have a combination of multiple display chips.