Hello,
 
As of about 5 to 6 weeks ago I've noticed a performance drop in my 3080. Where I use to be able to run Forza Horizon 4 in 2K, full settings @ 144 FPS and the video card only running around 80% usage. I'm now seeing around 120FPS @2K with 98% GPU Usage. This is an example game, but I'm seeing a drop in all games, in streaming, etc.
 
Things I've Done:

• Latest Gaming & Studio Drivers
• Latest Windows Updates
• Latest Drivers for all hardware
• Latest BIOS updates for Mobo (Multiple)
• Pulled all hardware and cables, rebuilt system
• BIOS Slot is set to AUTO
• Multiple Windows Formats with different pieces of hardware removed with different bios versions
• Latest Firmware Drivers from Precision X1
• VF Curve Tuner (Multiple times / os formats)
• GeForce Experience Performance Tuning (Multiple times / os formats)
• Multiple Monitor Refresh Rate changes / settings.

 
 
At this moment, my EVGA 2070 OC is out performing my 3080, which it really shouldn't. Thank you for any and all help, it is greatly appreciated.
 

The issue I've been seeing started around 5 weeks ago. 330 was released on the 14th of April, just after my last format. I work on Servers all day, I've done update management for windows for several years so over my several formats I ran test between each set of updates. Install system, turn off updates, test, turn on updates, patch, test, reboot, patch test reboot. I'll attempt to uninstall this and see if there is any change though I doubt it. It's a computer, written by humans so you NEVER know whats going to happen.  :-)

I don't know where you live but if it's really warmed up you could be down clocking a bit due to temps. My pc slows down during summer a little. Im gonna fire up fh4 when I get home to see if I notice anything.

yarrokon
The issue I've been seeing started around 5 weeks ago. 330 was released on the 14th of April, just after my last format. I work on Servers all day, I've done update management for windows for several years so over my several formats I ran test between each set of updates. Install system, turn off updates, test, turn on updates, patch, test, reboot, patch test reboot. I'll attempt to uninstall this and see if there is any change though I doubt it. It's a computer, written by humans so you NEVER know whats going to happen.  :-)

Try an install of W10E 1809 LTSC and see if your performance comes back.

yarrokon

kevinc313
 
Try an install of W10E 1809 LTSC and see if your performance comes back.

LOL That would make sense if the issue started happening in any other release after 1809, but I've not had the system that long. It worked just fine with 20H2. 20H2 was released on October and my system was built in December of 2020 and benched in January of 2021.
 
Remember, I have another system running a EVGA GeForce RTX 2070 SUPER XC ULTRA, OVERCLOCKED that I can run games in 2K, full FPS, and Stream with OBS XSplit or GeForce Experience.  I'm about ready to bench that system, pull the card, put in this system and then bench again and compare.

Yeah I'm sure it did run fine at some point, but who knows with these rando windows updates.  I've been running LTSC for about two years now and only got one bad update some time last year.  I'm up to date and on the rebar bios, seems to be running good.  Plenty of people run LTSC for gaming.  Here's my latest Port Royal after rebar install with normal high stability gaming OC and fans (hybrid), +90/+1000/118%:
 
https://www.3dmark.com/pr/971710
 
Just saying it might be worth the effort if you want to completely rule out the OS.

This is my time spy test trying PR now. - 
 

I'm trying to post a link but it never stays - "  " <- Link should be here between quotes

yarrokon

kevinc313
Yeah I'm sure it did run fine at some point, but who knows with these rando windows updates.  I've been running LTSC for about two years now and only got one bad update some time last year.  I'm up to date and on the rebar bios, seems to be running good.  Plenty of people run LTSC for gaming.  Here's my latest Port Royal after rebar install with normal high stability gaming OC and fans (hybrid), +90/+1000/118%:
 
Just saying it might be worth the effort if you want to completely rule out the OS.

 
Everything on your system is a bit overclocked than mine, additionally looks like your card is liquid cooled with that low temp of "51 °C"
 
It's odd that my driver is not approved in this 3DMark Test but it was for timed spy
 
Most seem to be forgetting, that my temps, etc have NOT changed, the only thing that has changed is my performance in running games (getting lower framerates). I've gone over my 3DMark History, and even though my score changes, my temps are the same, my vide card is clocked a bit higher. Even when watching 3DMark run, I would see missing textures. The Port Royal test crashed 3 times before I could get it to run.

Yeah that's just a run with zero effort, so it's a good example of a card running fairly well under normal conditions.  The hybrid is maybe good for 2-3% vs. an Ultra air cooler with GOOD case air flow, plenty of people clocking ~50-55C runs with those.  The 3DMark benches are important because they are portable and not easily manipulated by accident.
 
Here is a COLD run with a locked voltage and sky high clocks, see run notes:
 
https://www.3dmark.com/spy/16605955
 
Normal settings after rebar bios:
 
https://www.3dmark.com/spy/19421762

yarrokon

kevinc313
Yeah that's just a run with zero effort, so it's a good example of a card running fairly well under normal conditions.  The hybrid is maybe good for 2-3% vs. an Ultra air cooler with GOOD case air flow, plenty of people clocking ~50-55C runs with those.  The 3DMark benches are important because they are portable and not easily manipulated by accident.
 
Here is a COLD run with a locked voltage and sky high clocks, see run notes:
 
 
 
Normal settings after rebar bios:
 
 

Really? I have one of those for my desk, so just pumping in ice cold air. got it.

Not, I mean the air cooler on the 3080 FTW3 Ultra, not the AC unit.
 
My cold run above is from putting the PC outside on a cold winter night.

Just got this completed. Time Spy Extreme Score - 8915 - https://www.3dmark.com/3dm/61098494?

SherwinXL7
What drivers did you try?

Using the latest from NVIDIA, but the app stopped three times. said I was having some type of rendering issue.

Ernesto0729
This is an easy answer...you brought a “miners” GPU

 
Please explain why a miners GPU would work fine for two months, and then lose performance over time?

weird for sure.  Curious to find out the whole explanation.

kevinc313
Any background programs hogging the GPU?  Look at task manager GPU usage and MSConfig (System Configuration - services tab).

No it's clean. I'm a Win Server Admin so I keep my gaming PC pretty clean.
 
So my older system has a GeForce RTX 2070 SUPER XC Ultra installed. I pulled that card and put it in my gaming system NO ISSUES AT ALL... I've been speaking with support, they have been having me driver clean, check system power levels, swap cards. I can't fit the 3080 in my older system, its way to long. But at least my 2070 is doing things on my gaming rig that my 3080 can't do any more like it use to be able to do.
 
I would have done this in the first place, but it's my work system. I had to get some jobs completed, things closed up before I messed with the money maker.  :-)

LordSyrion
I would uninstall that one Windows update which tanked game performance, I experienced the same thing and now I'm back to normal. A simple search would bring up multiple articles that address it and tell you which update it was.

True, I did after glenn37216 had suggested it. I did get some extra frames out of everything but did not resolve my overall issue. I believe I got back on average 20 to 30 fps in most games. Freaking Microsoft *sigh*