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When watching a video on YouTube in 1080p 60 FPS the video runs very smooth and looks nice. When I play games on my PC with more than 60 FPS it does not feel as nice.

Is there a difference between YouTube's 60fps and 'actual' 60fps?

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4 Answers 4

If you're comparing PC games to Youtube video shot with a camera (as opposed to Youtube video of games captured via HDMI), then you're probably noticing the natural motion blur that cameras introduce. Gaming hardware can't reproduce this effect very well because it either has to render intermediate frames and blur them together or perform "optical flow" or vector-based analysis in real time.

If you are, however, asking about Youtube videos of video games (which presently comprise most of Youtube's 60p content), then my only suggestion is perhaps a performance difference between your machine and the ones in the videos.

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I indeed watched a gamingvideo from a PC. If I have 100fps on a game it's still not as smooth as the videos with 60fps. Your answer suggests I might have different hardware but what difference could that be? –  Jonas B Dec 22 at 12:26
    
sorry. I'm not an expert on that. AJ Henderson's answer seems informative, but perhaps this question might be served best by moving to gaming.stackexchange.com ? –  Jason Conrad Dec 22 at 18:12
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@JasonConrad - gaming didn't seem to particularly want it. This is a bit on the edge of our scope, but game streaming is a very real video production effort these days and this question would be relevant to them, even if it isn't necessarily directly what this particular OP was looking for an answer for. With a lack of a better home, I think it is probably okay to stay unless the community wants to VTC (which would be fine too). –  AJ Henderson Dec 25 at 3:45

My best guess is that your computer may be having trouble actually producing 60fps fast enough. Try turning on triple buffering and see if that helps. If the buffer doesn't fully fill before a frame goes to display, you will get an artifact known as screen tearing (some of the buffer has the current frame, some has the previous). Triple buffering fixes this by fully pre-rendering a frame in advance but results in increased latency due to the extra processing delay.

Additionally, if you are comparing videos from games that other people are running vs your own recordings, the game quality settings make a huge difference. Things like Anti-aliasing are very demanding on computer hardware, but make edges look far smoother. Motion blur and shadows are also rather processing intensive effects that make a big difference. If your system isn't super, super powerful, keeping up with 60fps while also keeping those settings on all the way is quite hard.

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It's very likely that your framerate drops below the refresh rate of your display while you have v-sync on which can produce a noticeable stuttering or input lag in that situation.

Disabling vsync will probably give you a more "fluid" experience but can introduce screen tearing, which vsync is meant to prevent by locking the framerate to the refresh rate of your monitor, though if your pc doesnt render fast enough it waits for a short amount of time which you can notice in this lag/stuttering appearing.

Unlike games, the framerate of a youtube video in this case is consistent at 60fps and isn't depending as much (by far) on the rendering speed of your computer as a game does.

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60 fps videos on YouTube are progressive while many video games cheat with interlacing.

Another potential cause is the refresh rate of your monitor. Most monitors refresh at 60Hz, meaning 60 times a second. But because of the way GPUs cycle when rendering video games, you need a 120Hz monitor to appreciate 60 fps.

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I searched for this but found no way to deinterlace or how to make my computer display the content 'progressively'. Can I make my OS do this to everything? –  Jonas B Dec 22 at 12:45
    
He is talking about PCs not consoles. PC games are doing full frame buffers for frame counts normally. –  AJ Henderson Dec 22 at 16:44
    
@KCMcLaughlin - do you have anything to back up your new edit either? To the best of my knowledge, both statements here are incorrect. There is no reason I'm aware of that a proper buffer configuration can't produce true 60fps on a 60hz monitor. Either way, if his monitor being unable to display 60fps was the problem, then not only would the game have issues, but the Youtube video would have the exact same issue, since it is going to play from the same frame buffer. –  AJ Henderson 2 days ago
    

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