Poor performance is a huge issue and I hope it will be adressed and improved before launch.
Out of Path of Exile, Grim Dawn, Diablo 3, Wolcen, Torchlight - LE performance is definitely the worst and by a lot too.
Obviously D3 is silky smooth due to that Blizzards polish and optimization. All of their games are - you can play Overwatch on shitty rig and it will run and look good compared to let’s say Battlefield or Warzone.
I will say that it is HEAVILY dependant on the area/type of enemies. There is something seriously wrong with certain mobs/spell effects and tilesets. I suspect it’s something with shaders,illumination or lightning in general. Also the game for sure does not handle rendering many models at the same time. This is obviously visible the most with half of the map chasing you with multiply mobs casting. Some builds easily showcase it as well - for example running with 15 or so Skeleton Mages / Archers - each of their projectiles pierces/forks or whatever and they attack super fast. I can literally hear my fan going crazy while that happens.
Now - PoE performance can and is right now a complete shitshow and always has been a huge issue in the game. Though while I do not condone it - somehow it can be justified with the crazy spells/MTX and mob density in that game and obviously party play and multiplayer involved.
And that is the thing - there is nothing imo that justifies this kind of performance in LE. Maps are not huge and hand crafted and there is no exploration - like in Grim Dawn. Mob density is scarce compared to normal mapping experience of PoE (let’s not even compare to fully juiced up Delirium maps for example). Graphics are ok - I like them personally but let’s not pretend they are of higher fidelity than let’s say Wolcen. And ofcourse as of now - LE does not have multiplayer - I can only dread playing 4xNecromancer summoner build.
I am playing on a decent system that handles all of the above games and can EASILY sustain the target fps. Same goes for modern AAA releases like idk Witcher 3, AC:Valhalla, Death Stranding - obviously these games look amazing and play smoothly.
To me it’s unacceptable to have waaaaay simpler looking game LE (or any aRPG for that matter) yet have worse performance - all of that while playing SOLO.
I also play on 144 HZ monitor and 1440p resolution with G-Sync support.
You might check LE reddit for more opinions and issues that people got. I noticed that here on official forum a lot of people still believe 60 fps in 1080p is what games should strive for and that is the standard. Many folks do not even run any real life time diagnostics to measure/analyze fps during intense gameplay and will just straight up tell you that they ‘‘feel’’ performance is just fine.
I am glad LE devs do check reddit.