Originally Posted by sugarhell
Tajoh you should watch koduri interview on Pcper. Polaris 10 is a product that was heavily influnced by polaris 11 on architecture and clocks. I can't really explain that well 50 mins video but he gives a lot of inside info.
480 looks bad in terms of p/watt because it seems that the gpu is out of the sweet spot of perf/watt . I will wait for 470 and polaris 11 to judge more
I won't trust their graphs and figures after this prelaunch hype and debacle. My own predictons on Polaris have been bang on and I have been trying to control the hype. Heck you insulted me for it when I said 390x performance and look at today, we got less than that.
I was saying Tonga's performance per mm2, and 390x performance per mm2 were indicative of how far AMD was behind, which would translate into polaris performance. With 390x performance per mm2 not indicative of AMD true performance per mm2 because these cards are overclocked hawaii cards and eat into GCN's max frequency. Once you equalize the cooling, the gtx 980 is 15-20% faster than a 390x which I was shamed for by you.
Heres a bit of math the 390x is 10% larger than a gtx 980. This gives us a factor of 1.1
I was saying once you equalize the cooling, the gtx 980 is 15-20% faster than a 390x or hawaii in general. So lets average this and this becomes a factor of 1.175.
Then lets take the die size advantage of the gtx 1080 vs Polaris 10. 314mm2/232mm2. 1.35
1.1 * 1.175 * 1.35 = 1.75. in other words, the gtx 1080 should be 75% faster than Polaris 10.
Using Tonga(die 10% smaller, 50% difference in performance) as a baseline the difference is 1.83
And you were predicting gtx 980 ti/1070 performance.
How do you like them apples
Originally Posted by magnek
Lol, lol lol. I walked right into that one.Edited by tajoh111 - 7/1/16 at 2:13pm