80% usage watching HD youtube video with a i5 4670k? Also random lagspikes in games and videos

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jpazn47

Reputable
Jan 27, 2015
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4,510
Regular browsing is 2-15% but when I play a youtube video at 4k resolution my CPU usage immediately goes up and the video drops in framerate and becomes choppy.

About 2 months ago when I watched the same 4k video the framerate was fine and not choppy. I have been noticing this choppy framerate when I watch videos on VLC, play hearthstone, or league of legends. There is an occasional spike where the frame freezes and then continues. This has never happened before.

My specs are i5 4670k, GTX 760, 8g RAM, 1TB HDD, 400g HDD, with an old Antec Power Supply with 750W (About 4 years old).
 
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nukemaster

nukemaster

Titan
Nov 23, 2004
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Ensure your drivers are ALL upto date and try to defrag the hard drive you are using to watch videos on VLC with. Too much fragmentation can lead so some delays when a game loads things on the fly as well(common practice on MMO type games).

The bandwidth needs of 4k video can be pretty high so if others are using the network it could cause the streaming issues for sure.

It never hurts to check your system temps while in a game as well as the hard drive health with something like HWMonitor and CrystalDiskInfo.

http://www.cpuid.com/softwares/hwmonitor.html
http://crystalmark.info/download/index-e.html
 
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luckystrikes

luckystrikes

Honorable
Jan 27, 2015
151
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I am not the expert however I can point out few things that even may be Obvious to you already....

(thinking it's more about your unstable internet connection.)

FPS - CPU + GPU related.
Ping - Internet (internal, or the provider)
ofc, there are much more reason for this to happen.

Do you know if, when you play LOL, your fps drop causing you the issue or your Sudden Ping Spike causing this problem?

If it is the ping (internet connection),
1) Your provider issue.
2) You are upstreaming something high enough to break the stable connection over time. (Caused by high bandwidth)
Sometime you don't even know. Once, I called my provider to check my internet traffic record and was told my upstream was 500G in 1 month and I didn't realized that until even without any Torrenting, Cloud/window auto back up on....

If it is FPS

1) check if your GPU is producing more than the monitor's framerate/refresh rate.
Usually normal monitors have 60 Hz and cannot handle higher volume from its GPU causing the screen to spike.
This case, use the V sync for games if they support that. ( Anti-Aliasing?)


I am just shouting stuff that I know hope this will give you some idea.

Sorry I couldn't give you the firm solution to this....lol
 
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