The larger the sensor the more light the sensor captures yielding in better image quality.
17.3 x 13mm
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.
23
Sony Alpha a7 III: 693
4. continuous shooting at high resolution
Fast continuous shooting is useful for catching action shots.
5fps
Olympus OM-D E-M1 Mark II: 60fps
5. noise
The maximum ISO at which the device still captures excellent quality images. Source: DxOMark.
655ISO
Sony Alpha 7S: 3702ISO
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.
12800 ISO
Nikon D7500 + Nikon AF-S DX Nikkor 18-140mm f/3.5-5.6G ED VR: 1640000 ISO
7. longer battery life
CIPA is an independent, standard measurement that determines how many shots a camera can take before the battery dies.
300shots
Nikon D3x: 4400shots
8. image quality
A device's overall image quality score considers: color depth, dynamic range and low light performance. Source: DxOMark.
60
Sony Alpha 7R II: 98
9. video recording
1080 x 30fps
Canon EOS 1D X Mark II: 2160 x 60fps
10. weight
444g
HTC Re: 65.5g
11. color depth
The better a device's color depth the more color nuances it can distinguish. Source: DxOMark.
21.2bits
HP Photosmart R927: 42bits
12. fastest shutter speed
A faster maximum shutter speed allows taking pictures of fast moving subjects without blur.
1/4000s
Sony Cyber-shot DSC-RX100 IV: 1/32000s
13. has a stereo microphone
A stereo microphone allows to record audio files or movies in stereo without an external microphone.
Panasonic Lumix DMC-GH2
50% have it
14. dynamic range
The better the dynamic range the system captures a wider number of values from dark to light leading to more details in low and highlights. Source: DxOMark.
Optical image stabilization uses gyroscopic sensors to detect the vibrations of the camera. The lens adjusts the optical path accordingly, ensuring that any type of motion blur is corrected before the sensor captures the image.
Panasonic Lumix DMC-GH2
46% have it
17. 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.
Panasonic Lumix DMC-GH2
72% have it
18. has a 24p cinema mode
24p is a video format (24 frames per second) traditionally used in cinema. Nowadays, it is used to create film-like motion characteristics.