LCD and Viewfinder
Canon 6D has a Fixed Type 3″ LCD screen with a resolution of 1,040k dots. Both the screen size and the screen resolution is up to the standards of this class.
6D has a built-in Optical (pentaprism) viewfinder. The viewfinder has a coverage of 97% and a magnification ratio of 0.71x. 97% coverage means that what you see in your viewfinder while shooting will slightly be different from the actual image.
Max Shutter speed
Canon 6D can shoot continuously at max speed of 4.5 fps and has max shutter speed of 1/4000 sec.
Flash
Unfortunately 6D doesn't have a built-in flash but it has a flash shoe for mounting external flashes.
Focusing
Canon 6D features both Contrast Detection and Phase Detection autofocus (AF) systems which ensures speed and accuracy of focusing in most situations. The AF system has 11 focus points and 1 of these sensors are of Cross-type. Cross-type sensors locks focus faster and more accurate compared to single type sensors.
Canon 6D also features
Face detection AF where it intelligently detects the faces in the frame and locks the focus automatically.
Video Features
With Canon 6D, you can record your videos at a highest resolution of 1920 x 1080 at 29.97,25,23.976 fps and save in and H.264 formats. Full HD resolution of Canon 6D will be adequate in most of the situations. But if you are after the highest resolution videos available, see our list of Top Cameras with 4K (Ultra-HD) Video.
6D has a built-in Stereo microphone and a Mono speaker. Canon 6D also has a port for an external microphone so you can record high quality sound with the help of an external microphone.
Connectivity and Storage
Thanks to the built-in wireless (Wi-Fi) connectivity feature, Canon 6D lets you transfer your photos directly to compatible devices without any physical connection. One other feature that we like is the ability to use our smartphone as a remote to control our 6D. You can change camera settings, release shutter, view LCD screen and tranfer files using remote control app.
You can connect 6D to compatible devices via its HDMI port or USB 2.0 (480 Mbit/sec) port.
Battery Canon 6D is powered by battery which provides a shooting life of 1090 according to CIPA standards.
Considering that the average battery life of DSLR type cameras is 883 shots, Canon 6D has a good battery life for its class.
Battery Life Comparison in Semi-Pro DSLR Cameras
Nikon D850 with its 1840shots is the model with longest battery life among Semi-Pro DSLR cameras. Check the comparison of Canon 6D vs Nikon D850 or take a look at Longest Battery Life DSLR cameras list.
Canon 6D Features Compared to Main Competitors
User Manual
You can download Canon 6D's User Manual here