Camera The Z1 Compact leads others with an identical 20.7 MP Exmor RS camera, the same as in Z1. It features a 1/2.3″ inch sensor size, an LED flash and video stabilization. There's also a 2 MP camera on the front panel, and both sensors are capable of 1080p video recording.
On the other hand, the HTC One Mini has the same camera as the one found on the full-fledged HTC One – a 4 MP UltraPixel unit with larger pixels, allowing for high quality low-light photos. The unit is capable of 1080p recording, it has a 1/3″ sensor size, and is accompanied by an LED flash and a 720p 1.6 MP front-facing sensor.
The Galaxy S4 Mini packs an average 8 MP camera with 1080p video recording capabilities, an LED flash, and a 1.9 MP front sensor.
Winner: The Z1 is ahead of the competition