The main difference between the two from a user standpoint is the resolution. The resolution of CCTV cameras refers to the clarity and detail of the images they capture. Higher resolution means more detailed images, which can be crucial for identifying faces, license plates, and other important details.

6 Megapixel (6MP)

Resolution: 3072 x 2048 pixels

Very high resolution with excellent detail. Ideal for monitoring large areas or critical points. Perfect all rounder for most applications.

8 Megapixel (8MP) / 4K Ultra HD

Resolution: 3840 x 2160 pixels

Ultra-high resolution offering superior detail. Excellent for facial recognition and license plate identification. (usually 3 metres of extra clarity compared to the 6MP)
Higher storage capacity needed.