Graphics issues gtx 950 yosemite

hi guys, i build a hackintosh because do graphic design, i was working with the intel hd 4600 before bought a gtx950 and all going great but, after i install my gtx 950 with the lastest Nvidia web drivers the program Adobe Illustrator crashes some times i don´t know why, it suppose that whit the gtx will work better but no some one can helpme?
using:

Intel Core i 5 4460 3.2ghz
Gigabyte b85 ds3h
SSD Toshiba 240gb
8 Gb Ram
EVGA GTX 950 SC

booting whit nvda_drv=1

card info:...

Graphics issues gtx 950 yosemite