Today I had a similar Problem…
In the Camp my FPS going down to 8.6…
I found the Prob with gpu-Z… I got a huge “Bus Interface Load”…my GTX runs with 4x instead of 16x. PCI-e lanes…
Just checked it
seems not to be the problem for me.
Please click on Sensors
Then Play 5min and post a ScreenShot from the sensor Tab…
well I Think you run with only one PCI-E Lane… not enough for the game…
Look at mine…
Hello @n1salat,
which programm do you use for frames measurement?
Fraps, or Nvidia? Could you deaktivate it, and use the game intern (>Show FPS).
I have an AMD card, and if I use their tool, I have also a performance problem…
still lowest settings, only main menu
As the GPU is under full pressure, it can only be a gpu-z problem in displaying things.
@Blacksmith
i use the Nvidia Shadowplay. i will disable it and try it again.
thanks for your replys and suggestions!
Yeppp…your Bus bandwith is overload…
For some reasons, your GTX is running with the worng PCI-E Speed…
Perhaps it’s mounted in the wrong PCI-E Slot on the Mainboard…
What Mainboard do you have?
Sould look like this:
This defintly cant be the problem - no game would run then at all!
and as you can see in the screenshot i posted, the bus load is at less then 90%
I play a lot of hardware hungry games- like Arma, Squad and latest would be fallout 4 - and they all run smooth.
E:
just saw your screenshot… hm… i dont really know then. i cant explain why all the other game runs smooth (even if the worst would have happend - im dumb as fuck and placed the gpu in the wrong pcie slot)
@Blacksmith
I tried it without Shadow Play and its still unplayable - 7FPS
Your are right, but remember this is Alpha Stage…no optimatzion at all…
KCD is a ressources hungry Game (now).
. Fingers crossed Very good catch @Urquhart ! The number of PCI-E lines could very well be the reason. Our engine transfers a lot back and forth. Other games could have that very different. Even a test of other CryEngine games could be less appropriate than one would think as we are pushing CryE to the limits. Yes, we have to optimize, but as I said I have very similar PC configuration at home except the RAM (that’s obviously not an issue) and the game run smoothly. Could @n1salat run the game with the default settings (the “user_game” folder deleted) ?
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Guys, where can I find my dxdiag? 
@Helmersen
If you have the same prob as @n1salat… please Post a GPUz schreenshot…
DXDIAG:
[WIN] + R then type “dxdiag”
Woody - thanks for the help!!!
as Soon as i come home, ill try it and report it ASAP
the user_game folder is inside the main game folder right ?
then yes, i deleted it already - as i completly reinstalled the game
its just strange, i went to bios and there arent event settings for the PCIE Express slot.
as i thought it might be some bios problem.
i will look again at the pcie slot again… but it would be really weird if that would be the problem… really had no problems so far.
By the way - my motherboard is a MSI P67A-GD53
i just tried to google some PCIE Express problems with the board, only found one where the board didnt recognize the whole pci-express slot beeing used.
Mine KCD is installed here: c:\Program Files (x86)\Steam\steamapps\common\Kingdom Come Deliverance
I don’t think reinstall of the game in Steam deletes it. Please verify it’s really gone.
Also, try to press the small question mark close to the GPU-Z PCI-E lines report and follow the instruction to start render test. It’s possible the number is not right without actual rendering to save power.
@Woody
Hmmm look at @n1salat screenshot Version 0.5, still performance issues?
First Part : loading game or whatever
Second Part: full load…(no power Saving)
the gpu-z test for the PCIE-E Lanes - i did already! the first screenshot of GPU-Z, which i posted here, was taken during the test.
and as the gpu is loaded till 99%… i still think it cant be the lanes at all… but i will check it… just few minutes left at work 
Guys… i can only say THANKS A LOT FOR YOUR SUPPORT!
i unplugged my gpu and plugged it back in… guess what…
16 lanes
30FPS on very high settings 
HOLY SHIT, thanks guys!
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That’s great it helped! You should test now how it affects other games
I tried a lot of games since it is working correctly again.
only thing i noticed so far, besides from "a few more FPS in games like Cities Skylines and Squad, the GPU fans are way louder now 
and Kingdom Come runs smooth! I already could fight some sword battles - finally!!!