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fatslob-:O said:
I honestly didn't expect AMD to transition to 14nm for their lower end parts when but I guess lower power maybe worth it since it gives them extra clocking headroom ...

I never doubted that AMD would update all their range of cards... Mostly because it would be weird to see a rebadged 380 as a 470 performing worse than the newer 480 and also using more power.

Also, lower end chip tend to have better performance/watt ratios than higher end stuff, so choosing those parts to demonstrate the improved efficiency isn't too unexpected. But a comparison with a 970 would have been a lot more valuable .

With that said, I'm not sure the chip used for that demo is a low end chip. In the video they say that the new node and architecture allows them to reach higher fequencies yet at the end of the video, when they show the hardware used, it says

GPU: next-gen "polaris" gpu engineering sample @850E/.8375V"

Now I don't know if that 850E mean 850MHz, but if it is indeed the frequency, it would be kind of low(-ish). And the voltage is also very low.

 

Meanwhile, Nvidia has presented its Pascal GPUs! But has also done it in a weird way:

NVIDIA ANNOUNCES DRIVE PX 2 - PASCAL POWER FOR SELF-DRIVING CARS

http://www.anandtech.com/show/9903/nvidia-announces-drive-px-2-pascal-power-for-selfdriving-cars

(and it's also low end Pascal chips)