I am going to buy an M17x R3 soon, and I am buying my RAM from newegg. However, I am having trouble deciding between DDR3-1066 and DDR3-1333. The 1066 has lower latency of 7-7-7-20 vs the 1333 has a latency of 9-9-9-24. Does it really matter in the end? And can I buy memory in the configuration of 4x4gb for a total of 16gb?
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Memory speeds make very little difference. It's best to just buy what's cheapest.
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This is going to be moved in 3....2....1....
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I would say that it does not matter what you choose between 1066 C7 and 1333 C9. Tests show that they perform very similar. With PCMark Wantage the 1066 actually scored better. Sometimes the 1066 is a bit faster, sometimes the 1333. In games you will get 2-3 extra FPS with 1333 MHz RAM according to this review:
Memory Scaling on Core i7 - Is DDR3-1066 Really the Best Choice? - AnandTech :: Your Source for Hardware Analysis and News
Memory debate: Lower Latency vs Higher speed
Discussion in 'Alienware 17 and M17x' started by Raidriar, Apr 13, 2011.