RAS Pre-charge: Or rTP, the time taken to disable one RAS line and active the next.Īctive to pre-charge delay: Or tRAS, the time taken between memory access. RAS to CAS delay: Time to organise a Row Access Strobe line and Column Access Strobe in memory. Jargon explainedĬAS Latency: Time between the CPU asking for data and RAM releasing it.
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Otherwise pick a kit with high rated frequencies and that's got low-latency and/or low voltages. Those blue sticks overclock incredibly well. By the end of this tutorial you'll be lowering the latency of your RAM like my tenuous metaphors lower the bar for humour in this mag.Ī decent set of DDR3 RAM If you've got G.Skill's monstrous RipJawsX from the gaming rig in our system building feature then happy days. DDR memory is characterized using MT/s or Mega Transfers per second. We'd advise 1.7V is as high as you'd need to go you could probably go higher without causing permanent damage, but it probably wouldn't allow you that much more performance.Ī lot of RAM is sold as overclocking-grade these days, but to squeeze the rated speeds out of your particular sticks will require a little overclocking nouse.īut we ought to be wringing every last drop of performance from our memory. Answer (1 of 3): 1330 Mhz vs 2666 MT/s To me these numbers are related, exactly double, and units are different. Increasing voltage is like getting an overdraft - it buys you more room for manoeuvre, but increasing it by too much can be dangerous. When you've raised all these elements to their limits, there's still voltage increase to consider. If you've got RAM that can withstand timings as high as 2,133MHz though, you can squeeze a few Hertz more still, but it's memory frequency and latency that will give you the big RAM overclocks.
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Thus, increasing BLCK is best used as a final measure to squeeze a few final Hertz from your CPU.