Hello there, I'm trying to get a build list together for building my first computer and I was curious if there's a performance difference between getting 2 4GB sticks, or 4 2GB sticks of RAM.
2X4gb will be a better option as it'll be easier to configure and run and let you room for a future upgrade... generally fulling all dramm slot is really rough on the mobo and won't run quite as well than 2 stick
Have 4X2gb sticks of Hyper X ddr2-1066 @ 1126mhz 5-5-5-15-52 PL8 (2.3V). i can run 1256 5-5-5-15-52-PL4 on 1 kit and 1232 5-5-5-15-52-PL6 on the other but together only 1164 5-5-5-15-52-PL7 maximum and 1126mhz PL8 stable without throwing 2.5V in each dimm (the max voltage option i have to bench)
It's not the ram that can't go higher, it's the memory controller hub that starts making electrical noise at higher frequency and with 4 dimm fulled it's a doubled interference that the MCH need to control even if the Drive strenght is set to it's max (OC-1333mhz) i can't go higher...
If you don't overclock, then no difference at all, just pick value ram 2*4gb maybe 2X8gb as it's really cheap on these days...
PS: Drive strenght setting is the strenght of the signal needed to ensure good signal between MCH (memory controller hub) and CPU/RAM
It is better to go with the highest denomination you can get since this will allow room for future expansion if need be. There is no performance difference between the two configurations assuming they are both the same spec.
DDR3 really shows little slowdown in large modules until you start looking at 16Gb and larger. 1, 2, 4, and 8Gb modules are within 1% access time given strobe delays. Moving up to 16Gb, it approaches 3%, and 32Gb (on what is being produced so far) is over 10%, but of course these memory levels are super-duper cutting edge and not in the desktop market yet.
If you are thinking about OC your modules, a set of 2x4g is better than 4x2g. Thats because its easier to OC 2 than 4 moduls
its better to get 2x4g. 1)less technology to deal with(overclocking or managing)2) save space for future upgrade( if you want to add another 4g or so)
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