This year the partner company of Xiaomi, Yi Technology, has
introduced the second generation of sports cameras under the name
Yi 4K Action Camera. Two major features of the novelty are the presence
of the display on its rear face and the ability to record video
in 4K format. Yi 4K Camera turned out interesting and functional, while
due to its price and performance it can compete with GoPro Hero 4.
Design
Xiaomi Yi 4K Action Camera looks more interesting than GoPro Hero 4,
also it has three different housing variants to choose from — the device
is presented in black, white and pink color. The new Xiaomi camera has
a slightly larger size than GoPro, and it is 7 grams heavier — the
weight of Yi 4K is 95 g, while the Hero 4 weighs 88 g.
Also, an undeniable advantage of Yi 4K Action Camera is the
full-color display with a diagonal of 2.19 inches at its rear face.
GoPro Hero 4 supports the installation of a removable external display,
which is smaller and has a poorer resolution.
- Yi 4K Action Camera dimensions — 42×65×21mm
- GoPro Hero 4 dimensions — 42×59×21mm
Features
Both Action cameras have lenses with an ultra-wide f / 2. 8 aperture,
but their components are different. The new solution from Xiaomi uses
the more advanced chipset Ambarella A9S75, as well as the 12 megapixels
Sony IMX377 camera module.
4K video recording
The average duration of 4K / 30fps video recording of GoPro Hero 4 is
1 hour 15 minutes; this rate decreases to 50 minutes when WiFi and
wireless control are activated. Yi 4K Action Camera is able
to continuously shoot 4K / 30fps video for 120 minutes (2 hours). GoPro
Hero 4 can withstand 1 hour 50 minutes of video recording in 720p
resolution at a rate of 120 frames per second (when WiFi is turned off).
Comparison of GoPro Hero 4 and Yi 4K Camera performance
The color quality of Yi 4K Action Camera is pretty high, while the frames made using GoPro Hero 4 look a bit faded and dull.
During the real test of endurance in the load mode (recording
of 4K video to a memory card) Yi 4K Action Camera could operate
continuously for 1 hour and 57 minutes, and the GoPro Hero 4 — only for
50 minutes.
Summary
Yi 4K Action Camera is a new word in the world of action cameras
because this device is not only able to shoot the 4K video, but also
does it qualitatively and continuously. The colors of video, recorded
on Yi 4K Action Camera, are bright and vivid, and the duration
of continuous 4K video recording on a single charge is about 2 hours.
Xiaomi has managed to beat the global brand GoPro in the battle for
the sports segment of 4K cameras, since Xiaomi Yi 4K Camera offers more
useful features at a lower cost: the high-quality touch screen,
a reliable image stabilization, a record autonomy, as well as many other
small bonuses like the connection to Apple and Android smartphones via
the Yi Camera application.
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