There were previous reports directly form AMD which suggested that the R9 300 will be completely new from the scratch up. It was a very bold claim and skeptics will be rewarded because it appears that many GPUs in the R9 300 series are rebrands (thankyou Cloudfire for the tip!). The information stems from AMD Drivers, which our aspiring source opened up to match the device ids to pre existing GPUs - more or less confirming rebrands.

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AMD Radeon R9 370 is an R9 270 rebrand; Mobile lineup follows similar trend

You might recall that some pubs had claimed (and we regurgitated) that the AMD R9 300 series will not have any rebrands. Well, as it turns out, thats not entirely true. The Radeon R9 370 appears to be a rebrand of the R9 270 GPU if the device id isn't lying (which they have no reason to). On the desktop side of things there appears to be information only about the R5 310, R7 350X, R5 340X, R9 360 and R9 370. Given below is the table which shows the exact rebrands in question and their respective device IDs for verification purposes:

Thats not all, mobile lineups have a long  standing history of rebrands of rebrands of rebrands and it looks like the R5, R7, R9 M300 series will be no different. While much of the Nvidia lineup is the brand new Maxwell GPU, the AMD lineup will consist mostly of rebrands. However, the top end (and arguably the chips that actually matter) are not listed and we could therefore be looking at good brand new dies after all. Here is the lineup:

To be fair about this, rebranding has always been a part and parcel of lineups. Only the high end positions are usually replaced each year with iterations slowly trickling down to the roots. The no-rebrand claim was pretty remarkable and slightly absurd in the first place and I am not really surprised at how things have turned out. Still, this makes for a very interesting development, naturally. Thats it for this particular piece.