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Difference between 1333mhz and 1666mhz RAM?

#1NovaFlame112Posted 11/22/2013 10:25:31 AM
I will be building my PC today, but I still need to purchase some components. I can get 1333mhz RAM for really cheap but I was wondering if there's any difference between that and 1666mhz? I will be using a brand new AMD FX 6 core processor if that fits in the equation.
#2DerPancakePosted 11/22/2013 10:27:56 AM
Its faster
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#3Tony_Biggie_PunPosted 11/22/2013 10:28:29 AM
there is no discernable difference to the end user
#4KabtheMentatPosted 11/22/2013 10:29:30 AM
Yeah, if you just wanna save money get the 1333. You're not going to notice a difference.
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#5SnadadosPosted 11/22/2013 10:31:22 AM
If you have a dedicated graphics card then there will be virtually no difference between 1333 and 1600mhz ram.

If you were using integrated graphics on the CPU then there would be a slight difference, maybe a couple frames per second at best, but not a huge difference.
You'd need something like 1866 or 2133mhz ram before you'd really notice a difference with integrated graphics performance.
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#6NovaFlame112(Topic Creator)Posted 11/22/2013 10:45:18 AM
Alright, much thanks guys. I will be sure to pick up the 1333.
#7PhilOnDezPosted 11/22/2013 11:16:30 AM
If you do decide 1333 isn't fast enough you can always overclock it later. On my mobo it's as simple as picking what speed you want it to run at, though I think some mobos are a bit more complicated than that.
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#8ShebeskiiPosted 11/22/2013 1:33:21 PM
1600MHz Ram is worth the slight price hike, but anything beyond 1600 is pointless.
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#9lost_withinPosted 11/22/2013 1:36:13 PM
Of course no one will know the difference... if they have a computer that runs 1333, and not 1600 they don't know what the other is like, or...
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#10JudgmenlPosted 11/22/2013 1:47:20 PM(edited)
Faster access times between the CPU and RAM.
It would be more noticeable if your CPU Cache is frequently visiting RAM.

Also: http://en.wikipedia.org/wiki/Random-access_memory#Memory_wall

I would go for 1666 as long as your motherboard supported it.
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