My PC (460GTX, i7-2600K @ 3.4GHz) won't handle full-up DX11 WoW at 1920x1080 x5. I had to do a few things to get mine looking OK but being playable:
1) Manage CPU affinity. This is critical. I use ISBoxer but I do not use any of the defaults as those always left me with at least one or two windows that stuttered badly. My CPU affinity is like so:
Code:
Slot 1 = cores 0, 1, 2, 3
Slot 2 = 0, 1, 2, 3
Slot 3 = 4, 5, 6, 7
Slot 4 = 4, 5, 6, 7
Slot 5 = 2, 3, 4, 5
dxNothing slot = 0, 1, 6, 7 (you won't use it now but noting to be thorough)
2) Turn down graphics settings. Mine are set just high enough to see Bad Things On The Ground(tm) and look reasonably pretty without incurring much overhead.
Code:
1920x1080
Anti-aliasing = none
Graphics page:
VSync = Enabled
Texture Rez = Fair
Texture filtering = bilinear
Projected Textures = Enabled
View Distance (see below)
Environment Detail = Low
Ground clutter = low
Shadow quality = low
Liquid Detail = low
Sunshafts = low
Particle Density = good
SSAO = disabled
Refraction = disabled
Advanced page:
Triple buffering = disabled
Reduce input lag = disabled
Hardware cursor = enabled
Graphics API = DX11
Show new character models = UNchecked (this was a large problem in major cities)
3) Background FPS set to very low as Khatovar noted above. My maxfps = 60 and maxfpsbk = 12.
4) Use a farclip macro to limit draw distance.
Code:
ViewDistanceShort:
/console farclip 1
ViewDistanceLong: (for your main toon you are driving with)
/console farclip 750
Hope that helps. Some of the options in the graphics section can be set via console commands. http://www.wowwiki.com/Console_variables has a lot of them.
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