Does Bitcoin mining wear out GPU

It doesn’t matter when you’re mining with your PC, during the day or during the night, components degrade either way . As far as if it’s safe to let your PC running all night long: Yes. It’s most profitable when mining rigs are run 24/7, just like all the servers.

If you run your mining setup 24/7 at a high temperature – above 80 oC or 90 oC – the GPU could sustain damage that will severely affect its lifespan .1 Mar 2022

If you were to run your video card at full 100% load 24/7 without any breaks, then the fans on it would die in about 2 years . Now, unless you’re a mining rig, you will never run under full load all day, every day for 730 days straight.