1600 & 1333 RAM - Will ALL RAM be set at 1333?

[RedString]

I use a ASRock M3A770DE mobo,

currently with 3x 2GB sticks of DDR3 1600 and 1x 4GB stick of DDR 1333.
I've been having restarting pc / and blue screen issues and I'm trying to find the source.

Anyways, not that I think it's part of the problem but I've got another question:

Will my faster RAM be scaled back by having the 1333 in there?

edit: Of course right after asking this I'm going to find an answer that yes, they will be scaled back. Can anyone confirm this?

I guess just letting my 6GB run at 1600 would be better than 10GB at 1333 eh?

 

[Denithor]

Memory always runs at the speed of the slowest stick installed. Unless you have manually set the speed at DDR3-1600 and then the DDR3-1333 stick may be unable to keep up, causing the BSOD/restarts.

Memory speed has very little impact on most applications. If you actually use the whole 10GB then, no, 6GB @ 1600 will not be better than 10GB @ 1333.

 

[RedString]

But if I dont use the whole 10GB then the 6GB 1600 will be better?

BSOD has been happening a lot more frequently than it use to, & I'm certain I never had one until I had added that 4GB stick. I just didn't think much of it because it would happen very very rarely, until recently.

I mostly play games, LoL, Skyrim, D3 Beta. The extra 4GB shouldn't be a big deal should it?

I'll see if I get any more bsod now that I've taken it out.. if it keep happening then I'll have to look elsewhere.

 

[RedString]

One more question, didn't feel like I should make new thread:


Memtest86+ shows RAM as 666 MHz (DDR1333) DDR3

CPU-Z and BIOS both show RAM as 800 MHz DD3_1600


Memtest must be wrong, right?

 

[HexiumVII]

Very few apps can use that much System bandwidth. Just look through the memory tests on the site, you literally get 1fps difference between 2133 and 1333. The best case is a heavily o/c 4.5GHz in x264 encoding you will get like 5% difference. Just stick in as much memory as you can.

 

[RedString]

Hmmmm... well I guess I'll run 6GB for a bit, see if I have any more BSOD (ran memtest as well and received no errors), then I'll throw the 4GB back in and see what happens.