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讨论规则及指引
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If you use quite a few apps and have quite a addons installed, you'll need 16GB.
If you're like me and have an excessive amount of scenery installed, have 100 Chrome tabs open plus loads of other applications, then 32GB is a must.
Since RAM is the fastest component on a motherboard, speed is not much of a problem.
I am running an I7 7700 4.5GHz, 16G RAM, GTX 1080Ti 11G with dual EVO 850 1TB SSD's. If I max all of the settings out on X-Plane 11 and fly over the KTTF Custer Scenery (payware) my screen stutters when making turns. If I turn off "Draw shadows on scenery" and turn texture quality from "Maximum (Uncompressed)" to "Maximum" things run smoothly. But just sitting on the ground at KTTF and looking at task manager I see my memory usage is 10.4G and all of that is loaded into my 1080Ti. But this is a very dense payware scenery area. Changing over to KDEN (payware) things change. My memory drops a little, from 10.4G to 9.1G, but my VRAM usage drops down to about 5G.
Keep in mind that flight simulators are different from most "games". They are typically more demanding simply because of all of the extras you can install in them. I just mentioned one aspect and that is scenery which increased the demand on the system simply due to the number of objects being rendered in the scenery. Add to that the aircraft you are flying. The more complicated the cockpit the more demanding it is on the system.
I guess what I'm trying to say is that XP11 will take everything you can throw at it. It will all depend on what you want to add to it, the impact it will have on your system, and the rendering settings you find acceptable. A 1060 6G should be able to handle most of what you throw at it.
VRAM amount is dependent only on monitor screen resolution - high res you need more VRAM.
1920 x 1080/1200 needs 2 GB at least, 2560 x 1440 at least 4GB, and anything over that eg 4K 6 - 8GB. GSync monitors are best as the immediately display what has been sent from the cpu to the gpu with no lag.
What you are saying here does not bear out with what I see. So I am running 1920x1080 and yet my VRAM usage on my system goes up to 10.4G. So is this just my system generating more frames in VRAM or XP11 pushing processing off onto my GPU and since the KTTF scenery area is very dense there is a lot more to generate, hence the higher VRAM usage. That would make sense since when I choose another area the VRAM usage drops significantly.
Typical numbers at 4K for a very dense scene like DD NYC, max number of world objects with the FF A320 using a 1080 ti and a 7700K are - FPS just above 20 (CPU limited), all 11 GB VRAM used, >20 GB system memory used. That pretty much defines the limit of what a high end gaming rig can do with X-Plane 11. There is no hope of keeping FPS above 20 for the same scenario with a 1070 (I had one before the 1080 ti). The reason was simple - not enough VRAM.
Now here's something I was told by the people who put together my system for me. That by running a game on my 1080Ti at 1920x1080 I was introducing a bottle neck into my system. I was told the reason for this is the capability of the 1080Ti and other video cards that can render at higher resolutions. I was advised that it would be better to render my games at 2K or 4K and then scale down to 1920x1080. I tried that and things went better but a different problem came into play. While the graphics looked and renered great, I couldn't read the menus in the games, X-Plane 11 included. Some games were designed for Dynamic Super Resolution, Shadow of Mordor for one. When run at 4K and displayed on my 1K monitor the menus, everything looked great. But other games such as XP11 don't adjust their menus when rendered in DSR. Just wanted to bring this up as something to consider for those who don't wear glasses and can read tiny menu text.
Any lower and the simulator will run too slowly, so things take longer to do. Any higher and you can probably turn up the graphics for more realism.