It also depends on the sticks, when people just say 'it doesn't matter, just get 1333 or just get 1600', you want to look at what you are getting, freq is a big part of the equation but only a part, when going low level sticks like 1333, at least look for a CL of 7 (i.e. 7-7-7-21 or something), for 1600 look for 7/8 --- with today's systems, 1600 is basically entry level and can find it with Cls from 7 up to 11, just helped a guy who got a good deal on a 16GB 4x4GB set and was thrilled, then was wondering why his system was so slow, he got the good deal on a set of 1600/CL11 and had been running 1333/8 and the 1333/8 perform better, ended up he changed to 16GB of 1600/CL8 and was thrilled with the difference......and to be honest, I haven't even looked at the references from adimeister, but don't really need to, most of the memory comparison articles are the same, they look at single benchmarks and say there's not much differences, so you see a little in benchmarks, but nothing in real world, yet none of these people ever do real world testing - multi-tasking, numerous windows, numerous programs, memory centric apps, etc....and if you do any of that or photo/video works, anything with large data sets, etc you will notice and appreciate the difference between slower and faster DRAM