The larger the sensor the more light the sensor captures yielding in better image quality.
6.13 x 4.6mm
Polaroid Snap: 81.2 x 25.4mm
3. focus points
The more focus points the more flexibility in picking which part of the scene to focus on. They also give the image sensor a better probability in identifying the right area of the scene to focus on in more automatic modes.
Sony Alpha a9: 693
4. continuous shooting at high resolution
Fast continuous shooting is useful for catching action shots.
Olympus OM-D E-M1 Mark II: 60fps
5. has a flip-out screen
Flip-out screens are useful for doing tricky shots.
Panasonic Lumix DMC-ZS45
27% have it
6. maximum light sensitivity
With a higher light sensitivity (ISO level), the sensor absorbs more light. This can be used to capture moving objects using a fast shutter speed, or to take images in low light without using a flash.
Nikon D7500 + Nikon AF-S DX Nikkor 18-140mm f/3.5-5.6G ED VR: 1640000 ISO
HTC Re: 65.5g
8. longer battery life
CIPA is an independent, standard measurement that determines how many shots a camera can take before the battery dies.
Nikon D3x: 4400shots
9. video recording
1080 x 25fps
Canon EOS 1D X Mark II: 2160 x 60fps
10. fastest shutter speed
A faster maximum shutter speed allows taking pictures of fast moving subjects without blur.
Sony Cyber-shot DSC-RX100 IV: 1/32000s
DxO One: 26.2mm
12. higher resolution (screen)
A higher screen resolution provides a sharper image, making it easier to review your photos.
Fujifilm FinePix X-Pro1: 1230000k dots
Sony Cyber-shot DSC-TX66: 65.29cm³
14. has AF tracking
With AF tracking, once you choose the subject and press the shutter release part way down, as the subject moves, the autofocus will follow it. No more out of focus shots.