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Adding a Graphics card to an AMD APU

by hunerpin / March 6, 2016 2:21 PM PST

Hi everyone,
So I thought about upgrading my PC, I would like to add a new GPU, the R9 380x. However, I have an APU A10-6790k. My motherboard is the MSI grenade A68hm. Now I read some stuff about the APU's working with crossfire with graphic cards so here are some facts and worries:
1. My motherboard is not known to support crossfire
2. If I add the GPU, what will happen with the APU? Will part of it shut down?
3. Can the GPU I would like to have work with my APU?
4. And finally if it just doesn't work, what suggestions do you guys have?

Thank you in advance!!

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All Answers

Best Answer chosen by hunerpin

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These have prior answers so in summary form.
by R. Proffitt Forum moderator / March 6, 2016 2:34 PM PST

1. All it needs is a PCIe x16 slot.
2. Depends on the machine. Some disable, some don't. You have to ask the motherboard maker. As this can change with BIOS version and settings, you don't know for sure. It's usually a non-issue.
3. Not suggested. The prior comments say to forget crossfire on APUs and use the GPU.
4. If an ATI card doesn't work, get an Nvidia. That's what I do.

The GPU you noted is not a light tap on the power supply. Be sure you have a spare 150Watts on the +12V rail you tap.

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Got it
by hunerpin / March 6, 2016 2:39 PM PST

Ok so I can go for it, I just wanted to know if I would mess anything up in my PC. And thank you for the power supply tip I did not take that into consideration before. Thank you very much. : )

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There are two camps about drivers here.
by R. Proffitt Forum moderator / March 6, 2016 3:40 PM PST
In reply to: Got it

One camp says to uninstall all drivers prior to the video card install.
The other says to install the card and drivers and go for it.

I've been using the second camp advice for over a decade.

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