Chipworks confirms it is like 6s.
"The A10 sits below the Samsung K3RG1G10CM 2-GB LPDDR4 memory. This is similar to the low power mobile DRAM as the one we found in the iPhone 6s."
Wizard is coming, a type out announcement http://www.prnewswire.com/news-releases/synopsys-ic-compiler-ii-accelerates-silicon-validation-of-imaginations-ground-breaking-powervr-ray-tracing-ip-300098710.html
Take a look at Rogue Planet demo presented at CES. Link below. It demonstrates tesslation on and runs on iPhone 6!?! Is it really a live demo?
http://hexus.net/tv/show/2015/01/Imagination_Technologies_explains_merits_of_mobile_PowerVR_GPUs
Probably Denver geekbench results:
http://browser.primatelabs.com/geekbench3/1014788
Solid single core performance around 1800 and it is in 32bit mode. Looking forward 64bit tests.