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30 votes
5 answers
6k views

What is ray tracing?

I'm not a big tech person so the first time I've heard about it is in Cyberpunk 2077 discussions. Apparently only the really high end GPUs can support it properly. What exactly is ray tracing? How ...
saraserin's user avatar
  • 453
63 votes
0 answers
87k views

What is V-Sync and when should I enable it? [duplicate]

Most modern 3D games have a graphics option "V-Sync". It's usually an on/off setting. I'd like to understand settings I tweak with, and this one kind of eludes me. What does "V-Sync" mean, and when ...
Jeroen's user avatar
  • 3,314
55 votes
3 answers
15k views

What is a "pixel shader"?

I have noticed that some games quote the requirement for "pixel shader 3.0 or better". What is a pixel shader and is it some software requirements or hardware requirements?
Sisir's user avatar
  • 830