• 2 Different videocards?
    15 replies, posted
I have a AMD Radeon 7850. would I be able to put a radeon 7970 in as my primary card and the 7850 as my secondary?
It would be pointless.
i think its possible but offers really poor performance... Poor enough that it would be best to get a 2nd 7850 I have never really heard of anyone using 2 different cards for sli or crossfire
Alright, Thanks
Have a look at this. [url]http://sites.amd.com/PublishingImages/Public/Graphic_Illustrations/WebBannerJPEG/AMD_CrossfireX_Chart_1618W.jpg[/url] It just wouldn't work at all.
[QUOTE=Scrappa;39669237]Have a look at this. [url]http://sites.amd.com/PublishingImages/Public/Graphic_Illustrations/WebBannerJPEG/AMD_CrossfireX_Chart_1618W.jpg[/url] It just wouldn't work at all.[/QUOTE] It would work as a 2nd gpu for multi monitor support but you wouldn't be able to game on the 2.
So by that chart I would have to use a 7870 or another 7850 for it to boost gaming? Or would only work with the 7850?
You can't put them in crossfire, you can however use them individually - so they perform different tasks.
What happened to being able Crossfire different models? I remember that being a thing at one time, did they stop supporting it?
[QUOTE=Ajacks;39691005]What happened to being able Crossfire different models? I remember that being a thing at one time, did they stop supporting it?[/QUOTE] You can crossfire any GPU from a series, like a 7850 with a 7870, but the 7870 won't be using the extra cores and would downclock to whatever the 7850 is running at.
Would a 630 watt power supply by able to handle it? or would I need to upgrade?
[QUOTE=HolyCrapAWalrus;39691211]You can crossfire any GPU from a series, like a 7850 with a 7870, but the 7870 won't be using the extra cores and would downclock to whatever the 7850 is running at.[/QUOTE] The only two limitations of hybrid crossfire are the faster GPU will be downclocked to the speed of the slower GPU, and any additional RAM of the card with more will be disabled. If one card has more SPUs than another card, they'll all be used and the driver will adjust the load to the more powerful card. [QUOTE=SilverKayin;39697564]Would a 630 watt power supply by able to handle it? or would I need to upgrade?[/QUOTE] Depends on the model. If you have a no-name brand, don't expect much out of it.
[url]http://www.newegg.com/Product/Product.aspx?Item=N82E16817182200[/url]. That's my PSU
Will my PSU work? I don't plan to Overclock anything.
You'll need to either use molex adapters or get another power supply with 4 x PCIe power connectors. People say that molex adapters are completely safe but it's a little too sketchy for me, up to you though. [editline]6th March 2013[/editline] Oh actually the 7850 only uses a single 6 pin, I thought you had a 7870. My bad there, your power supply will be fine man.
Alright, cool thanks.
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