For me, on an intel mac, the issue is overheating. The CPU will throttle down to about 25% once it gets to hot and everything gets laggy/janky. Teams seems to crank stuff up enough to trigger this.
I've found that disconnecting the external monitor helps. (I'm guessing additional heat from the discrete GPU is part of the problem, but that is just a guess.) Probably wouldn't hurt to clean out the fans too.
For my non-work laptop that had performance issues while hot (for non-teams reasons), I resolved the issue by buying an M1.
I've found that disconnecting the external monitor helps. (I'm guessing additional heat from the discrete GPU is part of the problem, but that is just a guess.) Probably wouldn't hurt to clean out the fans too.
For my non-work laptop that had performance issues while hot (for non-teams reasons), I resolved the issue by buying an M1.