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32Gb 1333 MHz vs 16Gb 1600 Mhz

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June 30, 2013 6:12:07 PM

I'm wondering which is better, 16GB of DDR3 1600 RAM or 32GB of DDR3 1333 Mhz RAM. I have an Asus P8Z77-V motherboard and an i7-3770K. I primarily use the computer for VFX/Video Editing so I'm running programs like 3DS Max (FumeFx, so high end particle simulations), After Effects and Premiere, which are fairly RAM intensive. Any suggestions would be great
a b } Memory
June 30, 2013 6:16:46 PM

If you're using more than 16 GB, then 32 GB 1333 is much better. Otherwise, 16 GB 1600 is a little better.
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June 30, 2013 6:22:46 PM

Sakkura said:
If you're using more than 16 GB, then 32 GB 1333 is much better. Otherwise, 16 GB 1600 is a little better.


What about mixing the two?
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a b } Memory
June 30, 2013 6:24:31 PM

There is no real life speed difference in 1333 and 1600mhz memory, especially for what you are doing. Just make sure you have enough memory, so you are not using the swap file on your hard drive, that is your biggest concern.
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a b } Memory
June 30, 2013 6:28:17 PM

If you mix RAM of different speeds, first it may not work at all. If it does work, all your memory will default to the speed of the slowest memory you have installed. 1333mhz is the default memory speed your board will run memory at. 1600mhz memory will run at 1333mhz until you overclock it to 1600mhz. RAM is sold at the fastest speed it is certified to work at without problems, it is not sold at the speed it will actually run at. Your motherboard/CPU combo decides that.
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a c 2178 } Memory
June 30, 2013 7:39:58 PM

One correction there, DRAM IS sold at what it will run at...whether the mobo or CPU can handle that freq of DRAM is the question and more often than not it is the CPU, not the mobo....Best example is AMD mobos (I find it hilarious) have see some non-APU mobos claiming 2400 and 2133, yet the best of their FX CPUsmight be doing good to even run 4 or 8GB of 2133, let alone 2400
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a b } Memory
July 1, 2013 6:37:15 AM

Tradesman1 said:
One correction there, DRAM IS sold at what it will run at...whether the mobo or CPU can handle that freq of DRAM is the question and more often than not it is the CPU, not the mobo....Best example is AMD mobos (I find it hilarious) have see some non-APU mobos claiming 2400 and 2133, yet the best of their FX CPUsmight be doing good to even run 4 or 8GB of 2133, let alone 2400


Just because the memory says it will run at 2133, it does not mean it will run that speed when you take it home and plug it into your system. It all depends on your motherboard and CPU combo. If your machine only supports memory speed up to 1600mhz, (most will default to 1333) then 1600 mhz is as fast as you are going to be able to run your 2133 memory at. If you want to run 2133 memory at 2133, then you have to make sure you buy a board that will support, and allow you to set the higher memory speeds. Although it's actually pretty pointless and more about bragging rights. In real world use you won't see any difference with the faster memory.
I see posts constantly "Why is my memory only running at 1333mhz, I bought 1600mhz?"
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a c 2178 } Memory
July 1, 2013 7:43:02 AM

That's exactly what I said - the DRAM will run at the speed if CPU and mobo support it, to your other point though, often the DRAM boots to 1333 as a mobo default is why many complain because they never enable XMP or set the DRAM to 1600
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