Xiaomi released new YI 4K action camera with SONY IMX377 sensor


Xiaomi released new YI 4K action camera with SONY IMX377 sensor and sports a 2.19 inch screen. It is priced at RMB 1199 (approx Rs. 12,200). The Xiaomi YI 4K action camera comes with EIS (electronic image stabilization) and can shoot 4K videos.

The new Yi Action Camera 2 is also being referred to as Yi 4K action camera by the company, considering the device sports 4K video recording capabilities at 30fps. It can also record full-HD videos at 120fps as well as HD videos at 240fps.

One of the highlights of the new Yi Action Camera 2 packs 1400mAh battery which is claimed to offer more battery life than GoPro Hero 4. The company touted that the new Yi Action Camera can record for up to 2 hours of continuous video recording. It comes with microSD card slot and supports Wi-Fi 802.11 b/g/n and Bluetooth 4.0.

Another notable feature of the new action camera from Yi is it packs EIS (electronic image stabilisation) which is a feature the company touts misses out on the GoPro Hero 4.


YI Action Camera Specs:-

Image Sensor:
16 MP Sony Exmor R BSI CMOS IMX206
Exmor R is a back-illuminated (BackSide Illuminated) version of Sony’s CMOS image sensor. Sony claims that Exmor R is approximately twice as sensitive as a normal front illuminated sensor.
The same sensor is used in the Git2 camera which also offers a 2″ LCD screen and a built-in gyro for image stabilization.

An Ambarella A7 chip is used for in the Xiaomi Yi, that’s the same chipset used in Dazzne P3 & SJCAM SJ5000+.
The GoPro hero 4 black uses the updated Ambarella A9 chip, most of the other action cams come with a Novatek 96660 chip.

Aspheric surface FHD photology glass lens, F2.8 DFOV 1550
Focal length:
2.73 +-5%мм; 155° wide angle

Video Resolution & Frame Rate:
2K – max. 30fps
1080p – max. 60fps
720p – max. 120 fps
480p – max. 240 fps

The Xiaomi Xi can’t do 4K, if you want 4K resolution you have to take a look at SJCAM SJ5000X Elite, Git2 or Firefly 6S, but their 4K resolution is interpolated!

Recording Format:
Format: .mp4; Codec: .h264;
30fps recording is 29.97fps (same as GoPro)
Currently the bit rate is 25MB/s, but there is an unofficial firmware pushing the camera to 30MB/s

Audio recording:
dual track, 96KHz sampling

The Xiaomi Yi doesn’t have a LCD display. Although there is a 3rd party accessory LCD which is made for Xiaomi Yi.

A detachable 1010 mAh battery is used.
The international version of the Yi action camera features a Sony battery!

max. 128GB microSD card, class 10 recommended.

Connectivity & Ports:
built in Wifi and Bluetooth 4.0 – wifi connects to Xiaomi iOS or Android App, Bluetooth to Xiaomi remote control.
microUSB for charging & A/V output, Mic-in is not supported!
& microHDMI port for HD video output.


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