I have the same problems with my dual core. You didn't mention what your CPU usage and RAM usage were (check Task Manager). You also need to think about what VSTs your using. For instance, IK Multimedia Sample Tank uses very little CPU but eats RAM like crazy. A 30 track project project in ST takes several minutes to load and clicks & pops like you described unless I freeze or mix down most of the tracks. On the other hand, NI's Kontakt loads very fast, uses virtually no RAM , and so far with 10 tracks produces no pops, but the CPU usage is up well over 30% so I will be running into problems very soon when I add more tracks.
EDIT July 28: I understated Kontakt's CPU usage. I just brought up my test project and it was 6 tracks. I increased it to 8 and the CPU usage as per the Mixcraft window was over 50%. As an illustration of my point, I froze all the tracks and the CPU usage for Mixcraft dropped to 6%.
Now if I move the projects over to my quad core i7 laptop there are no problems at all so far. BUT you have to remember that MixCraft, being a 32 bit application can only access 4 gigs of RAM total so if you use RAM hungry VSTis you wil everntually run out.
Something also to check in Task Manager is how your cores are being used. I've never had an AMD chip so I don't know how they handle this.
Finally, remember that your situation is a fact of life the more sophisticated your projects get. I have been spending a lot of time reading the EWQL forums and those folks are pros, using 6 core machines with 16-32 gigs of RAM and the common practice is to freeze all but the tracks they are working on at the time. Don't expect MixCraft to to deliver where the likes of Cubase, FL Studio, Pro Tools, or other more "sophistcated" (synonym for harder and clumsier to use) DAWs can't .
_________________Win 7 Pro, 3930K, Gigabyte Ga-X79-UP4, Corsair AX860i, 64GB gSkill 1600 RAM, 4 X 120 GB Intel 520 SSD, 1T & 2T WD caviar black, EVGA nVidea 560, Asus Xonar Essence STX jBridge, EWQL CCC, Kontakt, Philharmonik
My Stuff: Mixcraft Live
Last edited by chibear on Sat Jul 28, 2012 4:00 pm, edited 1 time in total.