The following specifications have appeared on the DPReview forum
and via Digicame-Info
20.2MP CMOS Sensor
Dynamic range improvement
Dual pixel CMOS AF
Dual DIGIC6 + processor
ISO100-51200 (extended with 409600)
Continuous shooting 14 frames / sec.
Live View mode at 16 frames / sec – high-speed continuous shooting new mirror drive system to allow the (at 16 frames / sec.)
Continuous shooting possible number is 170 frames in RAW -. In JPEG Unlimited
61-point AF system, which range is expanded. 41-point cross-type
AF is -3EV correspondence
With lighting AF point red (I hope this means solid red AF point in servo)
AI AF accuracy and motion tracking was improved Servo AF III + – 360000 dot metering sensor.
EOS iSA. EOS itr
Viewfinder magnification 0.76 times. 100% field of view
Videos 4K 60fps.
4K video can be recorded with the internal CFast2.0 Media
Movie Servo AF – LCD monitor 3.2 inches, 1.62 million dot. Touch panel.
Camera digital lens Optimizer (DLO).
Lens aberration correction.
CFast2.0 and compact flash of dual card slot
GPS built-in – 2-axis electronic level
USB3.0 terminal, HDMI terminal
W-FI option (WFT-E8A)
Size of 158mm x 167.6mm x 82.6 mm
Read more: http://www.canonrumors.com/the-canon-eos-1d-x-mark-ii-specifications/#ixzz3yfTpxi8N