You're assumptions are inaccurate and have been inaccurate since 2013. According to at least one source, Sony's 2015 TV's use 10-bit panels. I suspect that they may have been using 10-bit panels for previous years as well (though that is unconfirmed). Also, Sony was the first manufacturer to support 4Kp60 when they issued a firmware update for their 2013 4K models back in late 2013/early 2014. All of their 2014 and 2015 models support 4Kp60 out of the box. However, when receiving 4Kp60 via. HDMI, their support is limited to 8-bit, 4:2:0. This limitation is due to the lesser bandwidth of their HDMI ports and has nothing to do with the panels in the TV's. They are more than capable of handling higher bit depths with less chroma compression when either the frame rate or the spatial resolution are reduced.so the new sony's have still 8 bit panels and can't display 4k @ 60fps?
is this right? is so then...... Samsung here I come.