Game becomes very slow at certain times

I want to start by saying I recently built a new PC (2 months ago). It has 32gb of ram, Ryzen 7 7800X3D, 4070 ti super. My previous rig was 5 years old and had 16gig of ram, i7 9700k and a 2080 ti.

I play both Cata classic and SoD and I experience this issue in both games. The game becomes very slow and choppy almost anytime I alt tab and tab back into the game. It’s also fairly slow and choppy when loading into the game or reloading ui. It doesn’t last “long” but its still annoying considering it didnt do this on my previous, less powerful pc.

I only recently came back to SoD (Like a week ago) and with Cata I have been playing since launch. I was getting a bunch of lua errors on cata so I deleted overwolf along with the cache, interface and WTF folders for the game. Upon relaunching the game I reinstalled all the addons and reconfigured them manually without importing in the old profiles. This got rid of my lua errors and overall my gameplay improved. With the lua errors I was having the slowness when tabbing out and in along with general random slowness when not tabbing out or in. Now the gameplay is smooth if I dont tab out and no issues in raids as well, I get pretty good FPS there and not really any complains for performance in raids.

With SoD its pretty much the same story except today I had a bit of a hiccup during the razorgore fight. There were a few moments in the fight where my FPS dropped massively, almost like my game froze. It didnt last long or make me unable to finish the fight, its just irritating. Another strange thing that happened in SoD, I was running to get a rune and put my character on auto run, tabbed out for a moment, tabbed back in, it did the usual lagggy part but once it stopped i couldn’t even move my character or stop the auto run, like no keys were registering. I did /reload and still couldnt stop the auto run or move my character, the only thing that worked was closing the game and restarting it. Now this particular thing has only happened once but I thought it was worth noting.

Today while playing I wanted to trouble shoot a bit and check memory usage. Memory usage is at 94% when only WoW and discord running, along with a few other background things like vpn and threat protection. But no chrome or any other browsers. Is this normal for a game like wow? I’ve checked my system memory and its showing 32gb is whats installed. Any tips on how I can get the game to run better?

Quick update. When I closed all applications my memory usage only dropped to around 80% which seems really high for idle. I restarted my computer and after restart its at around 32% with only the start up programs running(things like steam, discord, vpn)

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If you’re using several apps that rely on hardware acceleration, or your drives are too full, you can see effects on your RAM.

I understand that more apps will mean more ram usage. But after killing all those apps isnt it strange that my ram usage was still 80%?