![]() For now, I will downgrade from 10.7.5 to 10.6.Maybe with the maximum pimping possible for this machine (3GB RAM, fast internal SATA SSD), 10.7 could be performant.Clearly virtual/physical RAM are the issues! With my slightly upgraded configuration (2GB RAM, 500GB HDD), the performance in 10.7 is miserable, I cannot recommend it!.or into the ExpressCard slot (max capacities marketed are 256GB, and they have lower transfer rates than the current SATA SSDs).Could you be consistent use one or the other, not both. You use terms like Mountain Lion, Yosemite, etc. I am getting too many notices that my browser is out of date. A SSD could be added internally to the 1.5 Gbit SATA port How can I update Safari without updating the OS I presently have 10.7.5 and 1.6.1.On 10.6 ~5 idle tabs consume about 1-3% CPU, switching is instant, whereas on 10.7 the same current Chrome, even with cleared caches/extensions/etc, lags as hell and utilizes about 30-50% CPU! Particularly bad app example: Google Chrome is laggy as hell on 10.7.You can also try try Safari/Reset Safari. Then try Safari/History/Show History and delete all history items. 10.7 also uses more animations - of which many can be deactivated, btw - but they seem to be no problem for the GPU ATI Radeon X1600 128 MB in this machine, mostly fluent, a few frame drops every here and then, but not disturbing. Safari/Preferences/Advanced - enable the Develop menu, then go there and Empty Caches.Seems to be not a CPU issue, but rather too little RAM and the then stronger utilized virtual RAM on that slow HDD together being the performance bottleneck!. ![]()
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