Notebook Memory Speed and Timing

My Toshiba notebook has PC3-8500 DDR3 memory running at 533mhz with timings of 7-7-7-20

I have been looking and OCZ does this which is:

PC3-10666 DDR3 at 1333mhz 9-9-9-24

My question to the memory experts here is:

If that memory went into my machine, and if it was clocked at 533mhz rather than 1333mhz would the timings be much lower? ie 5-5-5-15?

and would that be worth $80 to do?

(btw i have a core 2 extreme qx9300 cpu with unlocked multiplier etc)

 

I don´t think it can run CL5 @533. Should be also CL7.

 

Also, 533x2 -> 1066; I think if you are going to compare, you have to compare your 1066MHz vs the other one that is 1333MHz, and would down-clock to 1066MHz.

If you're unlucky it will run at CL8 like the OCZ3M10661G (1GB PC3-8500 DDR3 SO-DIMM, 1066Mhz, CL 8-8-8-27) which appears to be in the same range.

 

So it would basically be worse than what i have now

Am i missing some hot notebook ddr3 ram that has desktop like timings?

 

Kingston has So-Dimm DDR3 1066 CL5.

 

Also there's a whole general debate about memory timings vs performance (no specific thread).

I hope you would be upgrading the amount of RAM you have, if you need more of it.

 

There really isn't any debate after comparing synthetic and real life benchmarks. Memory speed and timing have zero performance difference since memory speed/bandwidth is never the limiting factor of a system. Only in benchmarks will you see a numerical difference. It is definitely not worth getting the same amount of memory at different speed/timing.

If you see your memory usage maxing out or getting errors due to low memory, consider upgrading the amount of memory. Other than that, you won't notice a difference in memory size either, since you aren't already taking advantage of what you have.