AMD Athlon II X4 635 internal memory support speed

Nailroth · May 13, 2013

Hey im planing on upgrading my computer from 8gb DDR2 to 8 gb DDR3 and i have looked around for a budget set of motherboard and memory and found cheap.
So Question are if these will work together, i read on the specification for the motherboard certain memory speeds wont work with certain CPU's

* AMD FX Series CPU on this motherboard supports up to DDR3 1866MHz as its standard memory frequency.
* AMD AM3 100 and 200 series CPU support up to DDR3 1066MHz.

The componets
Asus M5A78L LE motherboard
AMD Athlon ll x4 635
Crucial 8GB (2x4096MB) CL9 1600Mhz Ballistix Sport

I couldn't find any information on if my CPU supports 1600Mhz DDR3 memorys or not so turning here for answers

twelve25 · May 13, 2013

Faster memory can run at slower speeds, so if you buy 1600, it will likely run at 1066, but still work fine. You might get lucky and it will let you run "overclocked" at higher RAM speeds, but at a bare minimum it will work.

Now I will say, you aren't going to notice any real benefit moving from DDR2 to DDR3 and using the same processor.

jemm · May 13, 2013

The Athlon II X4 635 fastest supported memory is DDR2-1066 and DDR3-1333 http://www.cpu-world.com/CPUs/K10/AMD-Athlon%20II%20X4%20635%20-%20ADX635WFK42GI%20%28ADX635WFGIBOX%29.html

If you place a 1600MHz kit on this processor, it will run at 1333MHz (maximum).

m32 · May 13, 2013

It will default at 1066 or 1333, but you won't have any problems running at 1600. I got an Athlon x4 and I have my memory at 1750 right now. I'm not sure if that is the norm with these chips but I had multiple Athlons that handle 1600 with no problems.

Nailroth · May 13, 2013

Would it be better to keep my old motherboard and stay at DDR2 memory and just upgrade from 8 to 16gb? i need to get my framerates higher some of the games i play i can't play above 20 fps at the lowest settings

now i use a Asus M4a77 motherboard

popatim · May 13, 2013

That Asus M5A78L board will run the ddr3 at 1600 but you will need to go in and change it from the default 1333 - and not that you would notice a difference.

Basically, you should be all set with that build.

twelve25 · May 14, 2013

Nailroth :

What video card do you have and what games? Your processor and video card are the most likely culprits, RAM can make a difference, but it is probably that last 5% of the equation, whereas Video and CPU are about 90% of what makes up performance in games.

More RAM only helps when you are low on RAM. 99% of video games do not use more than 2GB because they are made to be 32 bit compatible. BF3 with huge multiplayer barely breaks 1GB of RAM usage. So essentially, you are barking up the wrong tree chasing more memory. You already have more than you need.

Nailroth · May 14, 2013

My full setup
Asus m4a77
AMD athlon ll x4 635
4gb DDR2 memory can't remember the name they are 11 years old'
ATI radeon hd 5670 512mb GDDR5

The games i play are mostly online games like Minecraft, Pathofexile and Neverwinter

jemm · May 14, 2013

It is better you upgrade the graphic card than the memory at this point, but it will depend upon power supply -- which is it -- brand and wattage?

Nailroth · May 14, 2013

I don't know what brand it is but its a 500 watt, it's also 11 years old so maybe i should upgrade to a stronger graphic and new memory if i can afford it? i have a budget of about 150 $

twelve25 · May 14, 2013

This is one of those cases where you are going to want to start upgrading everything. Right now, I'd start with a Video card, maybe a GTX 650 Ti or a Radeon 7790.

Next, you could replace your memory to get ready for a DDR3 board.

Then Upgrade to a AM3+ board with FX support.

Then finally jump to a FX-6300 or FX-8300 series processor. Over time you should be able to do it in $100-200 chunks at a time and end up with a great rig.

If your PSU is really 11 years old, replace that when you upgrade RAM, before the new MB or CPU.

jemm · May 14, 2013

Your old 500W power supply should be enough to power a GTX 650 Ti -- for around $150 you can get the 2 GB version http://www.newegg.com/Product/Product.aspx?Item=N82E16814125446

Nailroth · May 14, 2013

Then ill probaly get to upgrade the graphic even though its only 3 years old. I won't update memory until i get a new motherboard since i can only use DDR2 memory on this one. The PSU i won't upgrade until i have to to power the components so far it's working good for me. Im not after an super computer i got more important stuff to spend my money on. i just want to end my fps fluctuation from 100 down to 10 about 20 times a second.

twelve25 · May 14, 2013

5670 isn't that old, it was just not a high end card even when new. You can compare benchmarks by looking for 6670 charts as the 5670 and 6670 used the same graphics chips.

650 Ti is a huge jump: http://www.anandtech.com/bench/Product/613?vs=680

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