Can I crossfire these?

So, my friend is new the PC world I helped him with creating a list and then following up to build it; but the thing was he went pretty crazy and maxed out his ram slots to 32gb got liquid cooling and then crossfire 2 r8 370; and now he just bought a 970 and gave me one of his 370's, I currently have no GPU in my build and would like to add a 390 or 390x to my rig, but I just wanted to make sure that 370 and the 390 will be able to crossfire, I just want to be sure so that I don't have future problems.

Probably wouldn't work, in any case it wouldn't be worth crossfiring, also why didn't you save him and tell him to buy a 390 instead?

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It definitely will not work. Idk why anyone is saying there is even a chance. Amd allows crossfire with like a 370 and 370x, or two of the same card, but there is not crossfire support for a 370 and 390.

Nope you cannot crossfire 2 diffrent gpu´s.

http://support.amd.com/en-us/kb-articles/Pages/Crossfire-Chart.aspx

Why would you ever go for crossfire/sli unless you already have the highest tier card or get a second card for almost nothing?

He wanted to save money and game now, which he just ended up spending more.

I just wanted a reassurance that I couldn't, plus I was thinking they would just because they were in the 300's.

Thanks Angel, you and the rest made it perfectly clear. <3

So, the card works great breaking 60 frame barriers where I couldn't pass before, but I just remembered that my friend OC the GPU and its getting really hot, I don't really need the extra performance right now, so 2questions: how can I reset the clock for the GPU and what temperature is too high for the GPU?

No problem.
As far as temps goes, as long as you stay below the 85°C mark,
it should be okay.

My temperature software was telling me it was reaching 85c. I was testing it on payday 2.

thats a bit on the toasty side, can you ramp up the fan speeds?

I don't know how :l I never learned to. Isn't that adjusted in the BIOS or is it in the software of the GPU, also how much do I have to change in order to reach factory settings?

you could try with Msi afterburner.
Or inside the newest crimeson driver suite from amd.

well... I couldn't find what you were saying, but I found AMD Radeon settings and I clicked preferences and and click restore factory settings. I'm not sure what I'm looking for to restore settings and or increase fan speeds.

You can also try the Sapphire triXXX software.

http://www.sapphiretech.com/catapage_tech.asp?cataid=291&lang=eng

uh?.......so just download/install, then what?

Wat. Where are you even getting that from that is completely unrealistic.

Yeah but thats not a realistic evaluation. Thats more or less an NV user's epeen writing a self informed article.

Difference in hardware doesn't automatically mean this is this FPS. I get 60 FPS in GTA5 with a 370 on high settings. I can play Skyrim on ultra at 75 FPS with it too. Very console user thoughts :3