this post was submitted on 05 Aug 2023
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What’s your download rate? A high download rate is causing some CPU usage, I notice that on my build too. I’m downloading with ~120MB/s.
I wouldn’t worry about 30% cpu usage, seems fine to me. Downloads might be served compressed as well, so you pc has to decompress them on the fly.
Same goes for Steam^^
I just tested Steam download, it uses 1-2% with the same download speeds.
tbh i dont know if it's compression or something like that but some game downloads on steam are pushing my cpu up to around 50% sometimes.
I didn't see it go faster than 1.5 MB/s, my internet is slow and unstable. I never noticed any hightened CPU usage on my old PC and that was i5 8400.
Second this. Just today, I was moving a couple terabytes from my work PC to my media server at gigabit speeds, and the transfer was absolutely hammering the poor quad core i5 I've got in it. Surfing the web was less than pleasant for an a hour to two there.
Edit: I didn't see OP's reply to this comment when I first wrote it. I agree decompression is the most likely culprit, as it can be CPU intensive and compression ratios vary quite a lot from game to game.