so, at work I use an iMac with Big Sur installed, 32gb ram - 1gb hd - 4ghz - 5k monitor.
Issue is: When I place a mask on a photo and use the brush to mask small areas near the subject the brush lags making it extremely hard to accuratley do. Unfortunately, I don't know if there's a setting in photoshop I can double check or if it's a part within the computer itself?
Also, when I do the same task on my little 2015 macbook pro, 2.2ghz - 16gb ram - 256gb hd, I have no issue whatsover.
I'd love any input on what I might be able to check to solve this.