FPS fell on its face around Duna

[Geonovast]

Finally got into orbit, and the framerate just tanked.  Down to about 9 or 10, I'm guessing.  If the planet is in view at all, or I'm in atmosphere, it's incredibly slow.  If I'm above atmo and the camera doesn't have the planet in view, the framerate is normal.  Same condition on the surface.  Jeb busted up some solar panels getting back in because EVA controls were sluggish.  Craft is ~40 stock parts.  Mods are installed but not being used on this ship.

Brand new computer, just got two days ago.  Literally all I've installed on it is Linux Mint 18.2 and KSP 1.3 (plus Konstruction! and Universal Storage). https://www.newegg.com/Product/ComboBundleDetails.aspx?ItemList=Combo.3579303

Framerate is perfectly normal around Kerbin and Ike (Haven't been anywhere else on this computer yet.)

I bumped the onboard graphics card up from 512MB to a gig in BIOS, but unsure what else to.  I have a feeling the onboard graphics is the issue since the processors are cooking at a nice pace, and none of them went above 30% load during this. (The ones on my laptop are running WOT 1.7 Ghz pretty much the entire time the game is running)

Is there something else I should be looking at?

Edited July 28, 2017 by Geonovast

[Curveball Anders]

55 minutes ago, Geonovast said:

I bumped the onboard graphics card up from 512MB to a gig in BIOS, but unsure what else to.  I have a feeling the onboard graphics is the issue

Your feeling is 100% correct.

The integrated GPU is way underpowered even for KSP.

[Geonovast]

Any good ideas for cards?  I'm pretty stupid when it comes to GPUs.  All I know is that I've had nothing but problems with Linux and NVIDIA, so I'd like to stay away from that.

 

Edit: Seems the Linux Mint community is all about NVIDIA.  I must have been doing something wrong with it.  I've got my eye on this if the integrated BIOS bump doesn't help: https://www.newegg.com/Product/Product.aspx?item=N82E16814125915

Edited July 28, 2017 by Geonovast