You need at least 1.4 for 3D
Not according to this
http://3dvision-blog.com/do-we-need-hdmi-1-3-or-hdmi-1-4-for-stereoscopic-3d-support/
http://www.crutchfield.com/S-Rlf3QeAfXvW/learn/learningcenter/home/cables/hdmi.html?page=2
but there are other sources that say 1.3 will only do 1080i 3D. Mine certainly does 1080p…
So, I dunno…