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 Post subject: RAM Advice for X79 Board
PostPosted: Thu Mar 13, 2014 11:10 am 
8086
8086

Joined: Tue May 29, 2007 10:28 am
Posts: 35
Location: Northern Ohio
I have a Sabertooth X79 motherboard and an i74820k and I'm trying to figure out what RAM and how much would fit my needs. I'll be running Windows 8.1 and doing a lot of work with video and images for use on the web. The boards user guide has the board being able to run memory up to 2400 MHz. It seems that RAM prices are on their way up in price so I'd like to get something done before it gets out of hand. I'd like to take advantage of a quad channel setup where I can still have room for upgrading in a year or so if not sooner. I don't have any brand preference if that helps any.

My kids will probably play a few games on it as well. Heck I may just have it pull double duty rather than put together another system.


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 Post subject: Re: RAM Advice for X79 Board
PostPosted: Thu Mar 13, 2014 11:35 am 
Smithfield
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Joined: Sun Jun 18, 2006 7:37 pm
Posts: 5544
Nothing faster than DDR3-1600, because going faster offers no real-world performance improvement.


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 Post subject: Re: RAM Advice for X79 Board
PostPosted: Fri Mar 14, 2014 10:13 am 
Thunderbird
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Location: Phoenix, AZ
Personally, I'd go with 1,866MHz speed myself.

If you are doing a lot of video rendering then lower cache (CAS) value 1,866 will be of benefit as well, but likely more expensive.

Remember that board will support dual channel mode 8Gb installed which may meet your needs unless your video editor is 64-bit, but the CPU is intended to be run in quad stick quad channel mode (slight performance gain over dual channel mode). Easiest is likely to buy this, leaving 4 empty slots for down the road.


Last edited by FascistNation on Fri Mar 14, 2014 10:45 am, edited 3 times in total.

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 Post subject: Re: RAM Advice for X79 Board
PostPosted: Fri Mar 14, 2014 10:32 am 
Smithfield
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Joined: Sun Jun 18, 2006 7:37 pm
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There's still no point.

In fact there's no point in going faster than DDR3-1333, but the cost difference between that and DDR3-1600 tends to be minimal so we don't really worry so much about that. But for what OP is doing, faster RAM doesn't help. I mean sure, there are some measurable differences, but if a few seconds for a video encoding is going to cost OP thousands, then I don't see the point in spending the extra dough.


Last edited by LatiosXT on Fri Mar 14, 2014 10:34 am, edited 1 time in total.

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 Post subject: Re: RAM Advice for X79 Board
PostPosted: Fri Mar 14, 2014 10:33 am 
Thunderbird
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LatiosXT wrote:
There's still no point.

In fact there's no point in going faster that DDR3-1333, but the cost difference between that and DDR3-1600 tends to be minimal so we don't really worry so much about that. But for what OP is doing, faster RAM doesn't help.

As I linked, the controller supports 1,866MHz RAM.


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 Post subject: Re: RAM Advice for X79 Board
PostPosted: Fri Mar 14, 2014 10:36 am 
Smithfield
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Joined: Sun Jun 18, 2006 7:37 pm
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Officially. You can drive the frequency of the memory controller up past specification. Otherwise faster RAM would be a scam.


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 Post subject: Re: RAM Advice for X79 Board
PostPosted: Fri Mar 14, 2014 10:42 am 
Thunderbird
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LatiosXT wrote:
Officially. You can drive the frequency of the memory controller up past specification. Otherwise faster RAM would be a scam.

Yes, but the point is 1,866 is officially the spec for that controller as listed by Intel in the link I provided.


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 Post subject: Re: RAM Advice for X79 Board
PostPosted: Fri Mar 14, 2014 10:45 am 
Smithfield
Smithfield

Joined: Sun Jun 18, 2006 7:37 pm
Posts: 5544
Point is, if you look up a number of websites that test DDR3 speed, most of them will show that for the most part, you're not getting any really appreciable amount of performance with RAM faster than DDR3-1600 (and it's hard to argue you get it with DDR3-1600 anyway).

Let's just leave at that please.


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