Sorry I didn’t see the appropriate tag for PIMAX to tag this post with…
Anyway,
I recently upgraded to a new PC with the following specs
i9-13900KF turbo’d to 5.5mhz (normal is 3.0mhz)
ASUS Z790-P motherboard
64GB Gskill Ripjaws 5600mhz (running at 4800mhz)
Nvidia RTX 4090 (Gigabyte version) (no OC)
HYTE Y60 case with with addon for RTX4090
1300W power Supply (no model/maker) with PCIe 5.0 plugs
Samsung 970 EVO plus 2TB NVME drive
PIMAX 8KX with .299 firmware and PIMAX Client 1.7.0.2
This system replaced my older RTX3090 and i9-10900KF I was using
the following is my MSFS2020 settings
ingame:
TAA 105%
All settings maxed (except grass/bushes set to OFF)(Bloom OFF)
OpenXR/PimaxXR
Using PIMAX XR 0.2.8
OpenXR Toolkit 1.2.2
Within OpenXR Toolkit
using CAS with Sharpening set to 100%
My frame rate is 19FPS on a clear day at a resolution of 4096 x 2160…doable for me
I have not turned off Hyperthreading or Visualization in BIOS, but HAGS is OFF and game recording is OFF…I can get close to 40FPS with TLOD set lower than 400-around 300 does it.
This is about the same frame rates I was getting with the older system, but everything is much sharper and runway signs are readable as you taxi by them now.
My impression of the sim in VR is now exceptional…before I would have called it very good with some blurriness…all that is gone…and my traffic/ground aircraft and boats are also set at 100%.
2 thumbs up for Mbucchia and MSFS2020 for all their hard work to get this software to look and run beautifully with the right hardware.
Sounds a nice setup, but 19FPS in VR with a 4090? Wow, i’m glad i got rid of my VR instead of going 4090 I can’t enjoy any flight at less than 30FPS, it just wrecks it for me.
19fps ! with a 4090…that tells me you are CPU limited by a lot and can improve your FPS if you want a bit more by turning down the settings that hammer the CPU more than the GPU. I have a 13900k and 4090 and am seeing 50-75 FPS consistently in VR on an Aero. I am using the MSFS preset graphics on High and the LODs at 150. If I were to for example move the 2 LOD sliders up to 300 it would hammer the CPU and quickly become main thread limited and drop the GPU usage way below 100% where I am now, therefore not getting the 4090 I paid for, and the FPS would drop quickly to where you are seeing it. Everyone has their own preferences on how to tune things, but 19 is really low for smooth VR and I would not be able to run that, but again I see that you are getting performance that you are very happy with so that’s the most important thing. I have also found that having cars and AI ground and air traffic is a CPU killer and quickly limits the sim (the CPU not the GPU) even with a 13900k so I have cars turned off and AI ground and air traffic down at like 15%.
I purchased the system through CyberpowerPC and it was listed as PCIe 5.0 capable, but did not have a brand name…now you cant even see the same one on their site…strange…I know they use lots of available name brand stuff, but occasionally they put up some stuff with no name, but good specs…I hope it lasts…so far I have had good luck with CyberpowerPC.
I use it in 4K res (4096 x 2160) so maybe that is why the 19 FPS…after an update I saw 67 FPS, but everything was on medium or low…and the res was 1920 x 1080…so not as good…the PIMAX 8KX uses 4K lenses so that it looks really great in 4K. And 19 FPS for me runs without stutters or blurriness…I don’t know what else to say.
It’s good to hear that you like the Pimax. I looked into it and the Aero and didn’t like the reviews. I really want VR but I guess I haven’t read enough positive experiences in. MSFS yet.
what fov/quality settings do you use in pitool? i use Normal fov, Quality on 1, msfs TAA on 150, msfs graphics settings mostly medium and LOD’s on 100, i get 35 fps average. that’s with a 4090 and i7 7700k. 19 fps would be too low for me to enjoy tbh.
Edit i also use Open XR Toolkit foveated rendering and PimaxXR which gives a good fps boost.
I use PIMAX Client 1.7.0.2, the headset is FOV Normal, Quality on 1, TAA on 105%, Graphic settings on Ultra and all AI at 100% (boats, ai parked AC, Airport people and vehicles, etc) TLOD at 400 and OLOD at 200. OpenXR toolkit is set to CAS with 100% sharpening…nothing else selected in OXRTK. I use PIMAX XR also…
As I stated in the initial post I could turn down many things to get better FPS, but running the Resolution at 4K in the headset makes everything sharp and beautiful…
I had one run after an update and MSFS2020 set everything to medium and 1920 x 1080 res…I was getting 67 FPS…but things were a little blurry…so I like the 4K and sharp images in the headset…and to me 19 FPS is not too hard on the eyes…I know lots of folks like the more fluid look of higher FPS…I don’t seem to notice that on the 8KX as derogatory to the game play.
I have owned 3 PIMAX headsets, the 4K, the 8K and now the 8KX…I will be buying the 12K when it comes out…I just hope the 4090 is enough power to run it well.
I also had the HTC Vive 1.0 and each step up was better and better until now the 8KX to me is as good as it gets.
I tried having everything turned down and a lower res…but found the quality of the image and sensation of Real World was lost by not having things sharp and lots of stuff moving in the world…I use FSLTL for air traffic and my only complaint as of now is the Satellite images that Asobo used have the tail lights of cars in them and they are a distraction to VR. I fly X-plane 12 only at night and it looks fantastic on the roadways and the airports…much better than MSFS2020 (but only for night ops) FS2020 blows away all others for the daytime ops.
that’s gonna hammer your cpu. i wonder if you are cpu or gpu limited? if u get chance, open task manager when in vr (put the 8kx to 1 side and then center your vr view, then look at task manager on your monitor) and see what your cpu/gpu utilization is. if your gpu is not at >97% then you’re leaving fps on the table.
enabling foveated rendering in oxrtk gives a good fps boost you know. you can hardly tell it’s being used.
i’m not sure i understand how you are selecting these resolutions for your 8kx, they look like monitor settings resolutions. the FOV and Quality setting in pitool and msfs vr TAA setting dictate your 8kx’s resolution. maybe i am misunderstanding you?
I had the PC res set to 4096 x 2160 and TAA set to 105%…then I had OXRTK set to CAS and Sharpening to 100%…
The only thing I changed after looking into it was PC Res set now to 3840 x 2160, which is the 2D screen native res and the per eye native res in the PIMAX 8KX (I was mistaken thinking that the PIMAX res was higher). Now with just that change I have somewhat blurrier visuals (but not too bad) and FPS has increased to 30FPS in clear skies…on actual weather (Seattle area in December, cloudy and rainy) it runs about 22FPS. This is acceptable to me and looks almost as good.
the FPS counter in OpenXR Toolkit shows no CPU bound (maybe once every minute or so) and the following FPS 30 (clear skies), cpu 28ms, rdr 18ms, GPU 44ms, VRAM use at 60-70%…the cockpit is clear but has a slight blur when looking around and it was much less on 4K…and looking outside the aircraft (from inside) left and right there is a noticeable pause the first time you look left and right, but the next time it is gone completely…again I have not set Hyperthreading to OFF nor Visualization to OFF in BIOS…but game recording is off and HAGS is OFF in Windows 11. I am also using directX 12 (beta) on the PC page in FS2020. I have not tried FFR in the sim as it looks so good right now I don’t need anything else and Turbo is not on in OXRTK. This is a huge jump in visual quality for me from the i9-10900KF and RTX 3090. So I am very happy with it and the 20-30FPS is good. I am concerned that if this is the best the 4090 can do with all up…then when the PIMAX 12K comes out it might need a 5090 or 6090 to run it full res. We will see.
I just did a test and got some very interesting results
I tried DLSS and TAA and when in DLSS mode (Quality) the CPU was bound all the time, when in TAA mode the CPU only showed bound when I looked at AI objects on the airport (vehicles, aircraft, etc.) also if I tried to lower the % on TAA (lower or higher than 100%) by more than 5% the CPU became bound all the time…just interesting…so my settings are 100% on TAA slider and CAS in OXRTK with 100% sharpening…gives about 37 FPS on clear skies with very little CPU binding and GPU VRAM around 65-70%. Clear skies and the aircraft not started nor panels alive.
The FPS display in OXRTK showed the following
FPS 37
app CPU 26.0ms
rdr CPU 19.9ms
GPU 26.5ms
VRAM 16.0 (69%)
Thanks for chatting about this and setting me straight on the PC/VR res issue.
in the msfs graphics options there are separate pages for VR and PC monitor displays. you’ve been adjusting the PC page. towards the top of the graphics setting page it’ll say “PC” somewhere with a white arrow close by, click on that arrow and it will take you to the VR graphics page where you can adjust VR graphics options.
i do not think you are stupid, you were getting mixed up as to what page of the graphics section sets your vr headset resolution, i was just pointing out there are different pages for that.
I can’t enjoy any flight at less than 30FPS, it just wrecks it for me.