YI 4K+ – The Small Powerful Action Camera


When it comes to action cameras, GoPro undeniably leads the pack. The company’s cameras are so well known that “GoPro” potentially risks becoming a generic term. However, there are plenty of alternatives out there that give GoPro’s Hero cameras a serious run for their money. One such model is the Yi 4K Action Camera. On paper it goes toe-to-toe with GoPro’s Hero4 Black, and in some area even manages to best it. Of course, the playing field has now changed somewhat with the launch of the GoPro Hero5 Black.

Nevertheless, the Yi 4K Action Camera remains impressive on count of its selling price. This feature-packed camera can be picked up for around £250, or even less if you look at imports from the Far East. As low as £200. That seriously undercuts GoPro.

While it doesn’t quite manage to sneak up and steal GoPro’s crown, it’s still worthy of consideration if you’re looking for an action camera that’s packed with features for not so much money.



Below is the tech specs for this action camera :

Shooting resolution and frame rate:
  • 4K (3840×2160) @ 25 FPS
  • 4K Ultra (3840×2160) @ 25 FPS
  • 2.5K (2560×1920) @ 25 FPS
  • 1440 (1920×1440) @ 25 FPS / 50 FPS
  • 1080 (1920×1080) @ 25 FPS / 50 FPS / 100 FPS
  • 1080 Ultra (1920×1080) @ 25 FPS / 50 FPS / 100 FPS
  • 960 (1280×960) @ 50 FPS / 100 FPS
  • 720 (1280×720) @ 200 FPS
  • 720 Ultra (1280×720) @ 50 FPS / 100 FPS
  • 480 (848×480) @ 200 FPS
  • Sensor: Sony 12Mega Pixel CMOS
  • Input Power: 5V – 1A
  • FOV: F2.8 – 155 degree
App and firmware :

There is an mobile phone app available for the camera, which you can use to control the camera, replay footage/photos, and update firmware.

Officially available accessories :
  • Water-proof housing
  • UV protective lens
  • Selfie stick
  • chest mount


The size of Xiaomi YI 4K camera is 65 x 42 x 30 mm and its weight is 96 grams (3.4 oz) including the battery. The camera is slightly bigger and heavier compared to its predecessor. It has slightly curved edges and feels quite neat in hand. It looks quite rugged and it’s obviously well made.

The design is quite appealing and simple. The entire camera has only one button. In the past I complained a lot about action cameras having too many things on them, but the YI 2 engineers really nailed it. The camera has a minimalistic and modern look.


Finally,  the screen not only enables better composition of the videos and photos by live-viewing what you’re recording, but also allows you to preview already recorded footage.

On top of that, since it’s a touch screen it’s so easy to change settings, options and modes. I’ll talk about touch screen functions in the user interface and navigation section. For now you should know that the screen has 640*360 resolution and 160° view angle. Furthermore it allows you to view videos in 30fps.

According to the manufacturer the screen is made out of Gorilla Glass, which is resistant to scratches. In my research I was unable to find the confirmation of this. Obviously I did not want to destroy my screen just for the sake of the test . Corning, the company behind this special type of glass, does not have the YI2 on their list. Overall this action camera is worthy to buy, you can get yours at here now with the best price !


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