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PC2 5300 vs. PC2 6400 on a 667MHz system

post #1 of 4
Thread Starter 
If a chipset is limited to 667MHz memory speeds (PC2 5300), would there be *any* difference in performance, stability or heat between using PC2 5300 RAM and PC2 6400 RAM running at 667MHz?
post #2 of 4
there wont be much of a performance difference maybe 1 fps, stability might be a concern.
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Nine Hund
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Hard DriveHard DriveOptical DriveCooling
1x128gb Sam 840 pro (OS) 1x512gb Sam 850 pro (games) Asus DVD  H80i W/IndustrialPPC fans 
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W10-64 Sony 55" x850c Microsoft Wireless 7000 Antec 1000 Noctua fan mod 
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post #3 of 4
Thread Starter 
My guess was PC2 5300 is often just PC2 6400 chips that didn't quite make the cut. Therefore, perhaps they would be just capable of running at 667MHz, while PC2 6400 chips can do that and more. Am I off base on that? Maybe I'm making incorrect comparisons with the manufacturing process of CPU's.
post #4 of 4
Quote:
Originally Posted by Quasimojo View Post
My guess was PC2 5300 is often just PC2 6400 chips that didn't quite make the cut. Therefore, perhaps they would be just capable of running at 667MHz, while PC2 6400 chips can do that and more. Am I off base on that? Maybe I'm making incorrect comparisons with the manufacturing process of CPU's.
Most RAM can run under what they are rated for easily. The advantage to this is that a lot of the time you can tighten the timings up so it will run faster... If your memory is rated at 5-5-5 at 800MHz, sometimes you can lower that to CAS4, or even 3 at 667MHz.
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Finally...
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Samsung 850 Pro 128GB 2TB WD Black ASUS Blu-ray combo, LiteOn dvdrw MCR320 
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