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Newer Radeon 7870 2GB GHZ Edition PCI 3.0 that still uses Pitcairn GPU

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March 24, 2014 12:58:29 PM

Hi

I'm looking for a newer Radeon 7870 2GB GHZ edition that uses Pitcairn GPUs. I already have an XFX Radeon 7870 that has a Pitcairn GPU that I want to crossfire, but all the newer 7870s use Tahiti GPUs. Any input would be greatly appreciated.

Jeff
March 24, 2014 1:31:53 PM

rolli59 said:
It is only the HD7870XT that uses Tahiti (7950) GPU all other ones are pitcairn http://pcpartpicker.com/parts/video-card/#c=82,110&sort...


Thanks for your quick reply rolli59. Are you sure about this? I know for sure the first vid card on the link you provided (XFX FX-787A-CDFC) now uses Tahiti as I contacted the manufacturer earlier today to confirm. I'm trying to figure out more so about the Power Colors or Diamond.

PowerColor AX7870 2GBD5-2DHV5E/OC

PowerColor AX7870 2GBD5-2DHV4E/OC

Diamond 7870PE52GV

Thanks,

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March 24, 2014 2:43:16 PM

rolli59 said:
1280 stream processors Pitcairn 1536 Tahiti http://www.techpowerup.com/reviews/Club_3D/HD_7870_joke... so are they lying on the specs?


No I doubt they are. This is probably a manufacturing issue as in maybe it's XFX specifically that started releasing their 7870s GHZ with Tahiti's. There's even a review on newegg for the XFX 7870 with someone who had a similar issue as they weren't able to crossfire their new XFX 7870 with their old one, same product number and everything. I also found in another forum someone who was sent 2 XFX 7870s at once and one of them was Pitcairn and the other was Tahiti including screen shots for GPU-Z.
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March 24, 2014 2:52:32 PM

Strange since they just are releasing the R9 280 which is basically HD7950 renamed and the R9 270 and 270X are Pitcairn.
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March 24, 2014 3:05:54 PM

Just this month a reviewer on the XFX 7870 card said XFX offered to change his card from Tahiti to Pitcairn if he wanted

"XFX offered to RMA my Tahiti with a Pitcairn so I could Crossfire this card with my older one: win-win."

http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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March 24, 2014 3:14:23 PM

Ya I saw that too mercuk, when I called the manufacturer earlier they confirmed they no longer have any Pitcairn GPUs available. I thnk Rolli59 is right though. The only GHZ edition i could find that isn't labeled LE is the XFX and more specifically the Double D HD 7870. I'm probably fine ordering one of those other cards I posted.
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