Checking WoW Shadowlands 9.1 performance and technical problems

Check out the new site at

Patch 9.1 for World of Warcraft gave us new content but also new technical issues. Let see how performance looks like versus 9.0.5 and 9.0 and what are currently reported problems.

Performance comparison

Lets start with a desktop PC. I've tested patch on 05.07.2021 - after few days of hotfixes since the patch 9.1 was released. I've used latest drivers and latest Windows 10 version as well as latest BIOS/AGESA available.

WoW 9.1 5900X benchmarks
WoW 9.1 5900X patch comparison

Performance looks good and there seems to be no regressions, maybe even slight performance increase when looking at previous results for 9.0.5 and 9.0.0. The bug in Spires of Ascension is still present in the game. I've analyzed SoA regression before, it was seen by Blizzard and even some NA Apple M1 users were able to get some responses from support stating that it won't be quick to fix.

Going down the stack let's check Lenovo IdeaPad 5 14ARE05 laptop with integrated graphics:

WoW 9.1 4800U benchmarks
WoW 9.1 4800U patch comparison

Here we see no changes. The game is playable at 1080p mode 3 without much problems.

In terms of RAM usage the highest one is usually in Oribos. Desktop PC used 12GB while the laptop used 9GB which is consistent with previous results - 8GB of RAM won't be enough for some locations in WoW.

9.1 problems

People are reporting severe FPS loss when opening map or when some interface elements activate. On both systems I saw some FPS drop when map is open but nothing that would cause stutter. The FPS drops seems bigger when newer zones maps are opened. Looking at frametimes a clear pattern becomes easily visible:

Stable and choppy framerate without and with map open

Stable and choppy framerate without and with map open on PC

On a laptop same pattern can be observed

On a laptop same pattern can be observed

Aside of that there were few cases of degraded SSD performance, overheating (hot weather?) and alike, not directly related to WoW. If you have problems with your PC or WoW you can check my troubleshooting guide.


Check out the new site at
Comment article
Comment article RkBlog main page Search RSS Contact