"My PC is too old it lags."
"Very good graphics but my pc has lag with it!"
4/10 persons have lag, the rest have low FPS.
No no no!
Lag: To fall behind, the term is used when the application fails to respond in a timely fashion to inputs. (WKP)
Low FPS: or low Frames Per Second, is the frequency (rate) at which an imaging device produces unique consecutive images called frames. (WKP)
(A trick to remember: lag in red letters, just as your latency shows when you have lag. Low FPS in blue letters, because your screen might even freeze with low frames!)
I also found a quite nice video to explain the meaning of lag, give it a minute it's worth it:
So please, from now on, stop calling everything "lag" when you are experiencing performance issues due low frame rates and try things like turning your graphics a bit low, specially shadows, light reflections and other Sun related graphic matters. (that goes for almost every game).
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The point of the thread?
Share the fun video and point out the difference between the two most common issues on the "gaming world", lag is not the same as low FPS! So now there's no excuse to say "wait guys my screen is frozen, i'm lagging!"