Topic Title: AMD APU with Nvidia graphics card
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Created On: 03/31/2014 08:33 PM
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 03/31/2014 08:33 PM
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I'm hoping some experts here can help me out of a possibly sticky situation. I recently picked up a new mid level machine and went about upgrading a few components - namely the power supply and graphics card. I've had good luck in the past going about this process as I've had good luck in the past running AMD chipsets with Nvidia graphics products. It seems I may have met my match with the A10 APUs however, but I'm hoping I can still salvage whats in my system with some sense of effectiveness.

Here are my specs:

Windows 8.1 64bit

AMD A10-7700K(3.5GHz)


16GB DDR3 2133

Corsair RM850 PS

Gigabyte GTX 770 4GB 


Now I havn't any problems with this setup set aside from some hard crashes from a game I am beta testing, but that's to be expected. I just want to make sure I am getting the most out of this card and APU. The system itself is lightning fast compared to my last one though I suspect the SSD in it has something to do with it. 

I know I wont be able to set up Crossfire, but is there a way I can tell if the graphics card is handling most of the graphics processing or to optimize the APU for other duties? I had considered uninstalling Catalyst as I thought it may have had something to do with the crashes I was experiencing. Should I consider updating Catalyst - will this help with anything other than graphics processing?

I've never really had problems with these vendors working in tandem before. One of the reasons I went with this system is it had one of the few mobos which supported PCI-E 3.0 and was hoping to take full advantage of that GTX card this way, only to find out that PCI-E 3.0 is only supported with the FM2+ chips (of which there were only 2 compatible) in this board.  

Ideally I'd like to confirm the GTX is handling the graphics duties properly while allocating the APU to the rest of the systems processing needs (and perhaps overclocking it - maybe even picking up a A10 7850k if this all works together or waiting for any newer FX2+ chips if they are not far off). I believe some after market cooling solution is also in order here.

My tech level is middle of the road per se (I'm a programmer not a hardware specialist), but I'd like to think I know enough to get this working should it require some additional software/hardware upgrades. So do you think I have something that will work here or did I mess this build up royally? Thanks in advance.

 04/01/2014 05:28 AM
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On the regards of the PCIe 3.0 part of your post. That is just a bandwidth number. Therefore all GPU's regardless of what PCIe 3.0 or 2.0 it says it supports should be interchangeable. You will only notice a minute difference in performance between 3.0 & 2.0 (we are talking milliseconds here) so as far as that goes you should be fine.

Another thing to consider is you don't want to bottleneck your APU. So I wouldn't go above a GTX 780 Ti. Though when you install a GPU in tandem with an APU the integrated graphics part of the APU should cancel itself out an only the GPU will be handling graphics as you will be plugging your monitor into the DVI, VGA, HDMI ports that come with the GPU. This is of course as long as you are running a single monitor setup.

Most people always install an aftermarket cooling solution regardless of rather or not they plan on overclocking or not because the stock heatsink is usually crap an is only optimized to just barely take care of the heat disappation from the Processor.

If you are referring the the heat within your case than I'd suggest making sure your motherboard has the fan power connectors for you to install extra fans for extra internal cooling of the case. Though a GPU will have it's own cooling solution, different from each manufacturer (EVGA, ASUS, MSI, NVIDIA, AMD, etc...) so some research is in order. Though if you don't really plan on overclocking your setup it isn't really too big an issue. Use the onboard suite to check temps if you are concerned.

With all that said looking at the parts you've picked I don't see any reason why this wouldn't work out just fine for you.


Edit: Your Ram may be a slight overkill. 2x4gb 1866mhz running in dual channel should be enough unless you plan on doing more than gaming. In which case I'd have said go with Intel if doing video rendering or anything other than basic computer use an gaming.

AMD + ASUS = Good Machine
 04/01/2014 06:47 PM
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Thanks for the response. You're not the first person to suggest that the difference between PCI-E 2.0 and 3.0 is fairly insignificant (although the manufacturers will suggest otherwise). I was aware of it's backward compatibility with 2.0 when I bought it in case I ended up with a different FM2 or FM2+ chip, but I'm still hopefull that a new round of CPUs/APUs will eventually be released which will boost my processing capacity - perhaps the next gen A10 chips or whatever.

A few more questions if you don't mind. What do you mean by "onboard suite" to check temps - through the BIOS or some other software? Should I be keeping Catalyst and its drivers up to date if I'm using a discrete graphics card? What sort of tools should I be looking into if I want to do some overclocking?

Thanks again, it seems like I am still headed in the right direction.

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