I've been having a very frustrating experience with this "choppiness". There are times when Photoshop works just fine, as intended and smoothly, but very often it starts doing very weird stuff when the brush line is very brick-like or choppy and zoom is choppy as well. It does that too often, so that's a big issue in my professional workflow. It does the same on all Photoshop versions around the board and yes, I have updated my drawing tablet drivers and Nvidia drivers to the latest version.
I have a video example of this happening, hopefully, it will clear out:
In the video, you see that the brush line is absolutely terrible and it's impossible to paint high-quality pictures with performance like this as well as very very choppy zoom. Hopefully, you got the idea. So, I really appreciate any fixes and tips so I don't need to "pray" every day that today my Photoshop will work ok. Thank you in advance.
Drawing Tablet: Cintiq 24HDT
Windows 10 Home 64-bit
Intel Core i7 @ 3.70GHz 39 °C
Coffee Lake 14nm Technology
16,0Gt Dual-Channel Unknown @ 1334MHz (16-18-18-35)
ASUSTeK COMPUTER INC. ROG STRIX Z370-F GAMING (LGA1151) 29 °C
Cintiq 24HDT (1920x1200@59Hz)
ZOWIE XL LCD (1920x1080@144Hz)
Intel UHD Graphics 630 (ASUStek Computer Inc)
4095MB NVIDIA GeForce GTX 1080 (ASUStek Computer Inc) 39 °C
1863GB Western Digital WDC WD20EFRX-68EUZN0 (SATA ) 33 °C
931GB NVMe Samsung SSD 970 SCSI Disk Device (Unknown (SSD))
465GB Samsung SSD 970 EVO Plus 500GB (Unknown (SSD))
931GB Seagate Expansion SCSI Disk Device (USB (SATA) ) 30 °C
No optical disk drives detected
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Maybe try this: Go to Preferences >Technology Previews and check Deactivate Native Canvas. Then quit and restart Photoshop; any better?
Unfortunately, it's still the same 😕
What if you disable GPU in preferences, better, worse, no difference?
Hmmm, no difference in my observation. Still doing the thing...
Hey, I think I solved the issue by resetting Preferences to Default. I still don't know the original cause of this choppiness I had, but looks like it was somewhere in the Preferences. I am going to use Photoshop for a week and if the issue comes back I'll let you know. Thank you for answering my desperate cry for help!