USB Type-C (USB3.0) Micro HDMI (type D) WiFi 802.11a/b/g/n/ac 2.5mm stereo jack for remote 3.5mm stereo jack for microphone 3.5mm stereo jack for audio
It succeeds the Olympus OM-D E-M1 Mark II, and includes dual TruePic VIII processor, liquid cooling, larger body with an integrated vertical grip with dials, dual batteries, 80 MP tripod composite shot mode, 50 MP handheld composite shot mode, field sensors, improved autofocus tracking, USB power and better built-in stabilization among its improvements.[1]
Reviewers praise the "High Res" mode which allows to captures medium format resolution photos using the sensor-shift method even without a tripod.[2][3]
Using two TruePic processors (having four cores each) allows E-M1X to use an improved autofocus algorithm developed by deep learning technique.[3]