AMD: Pirate Islands (R* 3** series) Speculation/Rumor Thread

DmitryKo said:
No, Iceland seems to be an updated a variant of Oland for R5/R7 Mxxx series mobile graphics, not related to Cape Verde , Pitcairn etc. used in R9 Mxxx serirs.

https://forum.beyond3d.com/posts/1841223/
https://forum.beyond3d.com/posts/1841289/
https://forum.beyond3d.com/posts/1843980/
https://forum.beyond3d.com/posts/1843993/
https://forum.beyond3d.com/posts/1844096/


BTW, lower-end mobile R5 200-series and R5 300 series graphics parts are not based on Oland, but on a different revision named Hainan (hardware IDs AMD666x), which looks like a headless hybrid-graphics only version...

Iceland seems to be different though since it goes up to R7 M260/M360 - both driver ID strings and CodeXL 1.7 analyler options have it for mid-end 200-series parts R5 M255 and R7 M260 launched in June 2014, and the new R5 M315, R7 M340, R7 M360 parts are listed in the driver .INF file, as I said above.
Too bad CodeXL doesn't care to list any further rebrands of the same hardware ID...
Click to expand...

Yeah I got that message, but M370X spanks M275 by the biggest margin in Bioshock Infinite and the second biggest spanking is in Thief, which aligns with Tonga doing surprisingly well against Tahiti in those two games.

67216.png

67198.png


Though the metro last light gains are ho-hum, but who cares, we have the possibility of GCN4 on our hands. :runaway:
 
silent_guy said:
Well, so much for HBM being in mass production since Q3 2014 because it was in a data book: http://videocardz.com/56492/skhynix-confirms-radeon-r9-fury-x-to-use-hbm1 ;)

Up to 85% power reduction on the GPU MC seems really high. Maybe not for the highest performance modes?
Click to expand...

Maybe it's just for situations where little bandwidth is actually required and the HBM is mostly idle, which should happen more often on Fiji than on Hawaii, with 60% more bandwidth for about 45% more computing power.
 
Dave Baumann said:
Personally I have no idea when it was in mass production, but to be fair that does not state when mass production started, just that mass production units are shipping. It doesn't even state when they started shipping, just that they are announcing today that they are shipping.
Click to expand...
Sure: it must have started at least a month or two ago in order to flood the market with Fiji GPUs next week.
 
What's the turnaround time on 20nm wafer? That is the absolute gate for mass production starting. Additionally a component like this is likely to start of ahead of the component that is using it.
 
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