Quote from: QuintLeo on April 01, 2017, 02:49:23 AM

The RX 5xx series is not a rebrand.
They are being made on an upgraded process that is reported to be a little more efficient (no hard figures yet though) and will allow them to be clocked about 5% faster than the corresponding RX 4xx series part.
I'd guess probably 5-19% lower power at the 5% reported clock increase, but I could be WAY off on that power guess.

As far as hashrate goes - it will depend on the coin, memory-limited stuff like ETH probably will see no or barely any increase, core-limited stuff like ZEC should see a small increase.

Also, AMD has indicated that VEGA will not be targeting the mainstream where the existing RX series lives anytime soon - they're targeting the high-end, where the Fury/FuryX/Nano used to aim at.

I suspect that there will be a short-term "new card availability limits" price premium for the RX 5xx series, but after a couple months they should settle in at the same pricing we see now on the RX 4xx series.

The RX570 and 580 are rebrands from everything I've seen. They are still Ellesmere 14nm.

The only difference is slightly higher clocks and the Reference RX580 will have an 8 pin power connector vs 6 pin.

As a result of this, higher power consumption vs stock RX480 is expected due to higher clocks.