Nokishita leaked the full GFX100 specs (via Fujirumors):

Fujifilm GFX 100 Specs (google translated from Japanese)

• Equipped with a backside illuminated CMOS sensor with 102 million pixels
• High-speed image processing engine “X-Processor 4”
• Achieves high-speed AF with up to twice the speed of the current model and excellent in moving object tracking
• 3.78 million image plane phase difference pixels are placed on the entire surface of the image sensor (coverage ratio about 100%)
• The accuracy of “face and pupil detection AF” has dramatically improved
• In addition to face detection of objects farther away, it is also possible to achieve high followability even when the face turns sideways or is blocked by an obstacle.
• Equipped with a 5-axis camera shake correction mechanism in the body that has an effect of up to 5.5 steps
• Equipped with 4K / 30P video shooting function
• Recording to an SD card 4K 30p 10bit 4: 2: 0, recording to an external media via HDMI 4K 30p 10bit 4: 2: 2
• The first “GFX Series” to be equipped with “ETERNA” mode
• In addition to rear liquid crystal monitor corresponding to 3.2 type 3 direction tilt, we adopt 2.05 type rear sub monitor newly
• The newly installed 1.80 top screen sub LCD monitor can use “Virtual dial mode” to display dial design
• Newly developed 5.76 million dots organic EL electronic view finder
• View finder magnification 0.86 times, optional EVF tilt adapter “EVF-TL1” can be attached
• It supports “16bit RAW” “16bit TIFF” recording
• Newly developed Smooth Skin Effect, a new function that automatically performs skin retouching
• We realize small size, light weight of thinnest part 48.9mm, approximately 1400 g (including two batteries, memory card, electronic view finder)
• High dust and water proof performance and low temperature resistant structure with 95 places sealing
• First to support “IEEE 802.11ac” as “GFX series”
• Since two “NP-T125” can be mounted, approximately 800 images can be taken when using the rear LCD monitor
• Power supply and charge from USB terminal is possible

Announcement on May 23!!!

This week on May 23 fuji will finally launch the new GFX100!

Fujifilm GFX 100 official and rumored specs via Fujirumors:

• Name: Fujifilm GFX 100 – Fujifilm EU leak
• GFX100 Sensor data sheet in this article
• Backilluminated 100 Megapixel BSI IMX461 sensor
• Sensor already used by Phase One here
• cost around $10,000 (as we already told you in December 2017)
• around $10,000 – Fuji US manager said $9,995
• announcement May 23 (rumor here)
• shipping within the end June
• 4K @ 30p, 4:2:0 and 10bit internal recording (official leaked media slides here)
• 4K @ 30p, 4:2:2 and 10bit external recording (official leaked media slides here)
• 4K @ 30p with no crop (Fujifilm manager said it here)
• 4K/30p with H265 coded and 400 mbps (press report here)
• 16 bit RAW (Fujifilm manager here)
• pixel shift multishot (rumored in October 2018)
• pixel shift multishot not available at launch (rumor here)
• full sensor phase detection coverage (official leaked media slides)
• X Processor 4
• resistant to up to -10°C
• 5 axis IBIS (as we already told you in December 2017)
• Fujifilm GFX 100 size comparison vs Fujifilm GFX 50R and Canon, Sony, Nikon cameras
• batter life around 400 shots (leaked media slide here)
• dual SD-card slot (official mockup images)
• 5.76M-dot interchangeable EVF & Tilt Adapter (leaked media slideshere)
• 50% faster autofocus (leaked media slides here)
• Phase Detection work down at -2 EV @ F2 (leaked media slides here)
• up to 5 stops IBIS (leaked media slides here)