Xiaomi Yi 4K Action Camera 2 set to Slam Gopro 4

Xiaomi is all set to release its new 4K Sports Action Camera (Yi Action Camera 2) into the market very soon, a year back on March 2 2015 xiaomi launched its first affordable Xiaoyi Sports actions camera for $66 with high end specifications and breathtaking image quality, this still sells as a hot cake.

Though the news is not officially listed on Xiaomi's website, but official Yi Facebook confirmed , new Xiaomi 4K Sports Camera is on its way! A quick look at the new 4K version of Xiaomi reveals that it has got the LCD display along with the Ambarella A9SE75 Master Chip with 4K video recording at 30 Frames per second. and comes equipped with  Broadcom BCM43340 wireless chip.

The New 4K version will be available in black and white colors for around less than $150. Below are the quick specifications and features of the New 2016 Xiaomi Yi 4K Sports Action Camera 2.

Xiaomi Yi 4K Action Camera 2
Xiaomi Yi 4K Sports Action Camera 2

Sony IMX377 sensor

Xiaomi Yi 4K Action Camera 2 is featuring a 12.35 MP Sony IMX377 sensor for a faster 4K recording, the initial Xiaomi yi Camera has 16 MP Image sensor from Sony

Ambarella A9SE75 Master Chip, High Performance, Lower Power Consumption

The Xiaomi Yi 4K Action Camera 2 will features an Ambrarella's new generation  A9SE75 chipset for high performance and ultra low-power consumption, GoPro Hero 4 black edition also uses an A9 Ambarella  chip. The core of YI 4K Action camera comes with master chip with 28nm cmos technology, 800MHZ dual core cortest-A9 ARM processor and high efficient digital signal processor which supports H.264 BP/MP/HP first class encoding and operating temperature of 28 to 85* working temperature

High Capacity 1400MaH battery enables Long-lasting shooting

Powered with 1400 mah high density lithium battery from ampertext technology (also a supplier of apple phone battery)the stand-by battery life of yi 3k action camera is as long as 8 hours of video recording at 4k/30fps  and in-addition Xiaomi promises 110 minutes of 4K video recording on a single charge, seems interesting.

Integrated LCD Gorilla Glass Retina Touch Screen

The Customized 330 PPI high sensitive retina touch screen fits perfectly to the camera, the 2.19 inch gorilla glass touchscreen is resistant to scratches and impact and visible from a 160 degree angle. 640*360 high pixel resolution gives an excellent visual experience.


7 layer optical glass lens with f2.8 aperture.

Video Resolution & Frame Rates

4K – 30fps (60 mbps)
1080p – 120 fps (expected)
720p –  240 fps (expected)
12.35 Megapixels


Micro HDMI
Tripod Thread
MicroSD Card Slot

Pictures and First Look

Xiaomi Yi 4K Action Camera 2 ScreenXiaomi Yi 4K Action Camera 2 BlackXiaomi Yi 4K Action Camera 2 Lens,Xiaomi Yi 4K Action Camera 2 Battery 

Specifications of Xiaomi Yi 4k Camera 2

Brand YI
Model   YI 4K   
Color Black
Main Processor Ambarella A9SE75 chipset, includes a 800 MHz dual-core.Cortex-A9 ARM CPU and a high-performance digital signal processing (DSP) subsystem with a 32-Mpixel image sensor pipeline (ISP), and an advanced H.264 encoder capable of 4K resolution.
Image Sensor SONY IMX377, 1/2.3", 12 megapixels CMOS image sensor with Exmor R ability.
LCD Screen 2.19", 640*360 resolution touch screen, 330PPI, 250cd/m2 brightness, 30FPS, 160° FOV, 16:9
Lens Lens F2.8 aperture / 155° wide-angle lens, 7G, f=2.68mm
Wi-Fi Broadcom BCM43340 Dual-band 5GHz /2.4GHz, built-in (802.11 abgn),offers 30Mbps download speed
Weight 3.4 ounces (camera + battery)(battery removable)
Size 65 x 42 x 21 mm
Video Mode
Video Resolutions FPS NTSC/PAL Field of View(FOV) Screen Resolutioin
4K 30,25 Ultra Wide 3840x2160
2.5K 30,25 Ultra Wide 2560x1920
1440P 60,50,30,25 Ultra Wide 1920x1440
1080P 120,100,60,50,30,25 Ultra Wide 1920x1080
960P 120,100,60,50 Ultra Wide 1280x960
720P 240,200 Ultra Wide 1280x720
480P 240,200 Ultra Wide 848X480
Video Format H.264 codec, .mp4 file format
Time Lapse Video Creates video from frames captured at set intervals.

4K (16:9)\2.5K(4:3) fps:30\25

Interval:0.5, 1, 2, 5, 10, 30, 60s
Slow Motion Record high frame rate video, play it at a low frame rates, form the slow motion video.

720p fps:60\120\240

Rate: 2\4\8
Video + Photo Record video and capture Time Lapse photos at the same time.

1080p fps:60\50\30\25 1440p fps:30\25 2.5K fps:30\25

Interval: 5,10,30,60s
Loop Record a continuous video loop and overwrites itself until you press the shutter button to stop it and save.

Video length: 5 min, 20 min, 60 min, 120 min, Max
Highly Advanced Technologies
Electronic Image Stabilization Built-in 3 axis gyroscope and 3 axis accelerometer. Uses a cross-border compensation algorithm to compensate the motion change to produce stable video quality

Resolutions supported:1080p fps:60\50\30\25 960p fps:60\50
Auto Low Light With a normal camera, the user must manually adjust the parameters according to different light conditions. YI 4K Action Camera makes it easy for you, it senses the change of the light condition with CMOS, and ISP processor will adjust the frame rate and parameters automatically and to produce the highest image quality at low light.
Lens Distortion Correction 100% of the wide-angle lens distortion correction
Photo Mode
Photo Resolutions Field of View (FOV) Screen Resolution
12MP Ultra Wide 4000x3000
8MP Ultra Wide 3840x2160
7MP W Ultra Wide 3008x2256
7MP M Medium 3008x2256
5MP Medium 2560x1920
Timer Count down, then photo capture.

Countdown: 3, 5, 10, 15s
Burst Press the shutter button to capture a series of photos.

Frequency: 3p/s, 5p/s, 10p/s, 10p/2s, 10p/3s, 30p/s, 30p/2s, 30p/3s, 30p/6s
Time Lapse Photo Capture a series of photos at timed intervals.

Interval: 0.5, 1, 2, 5, 10, 30, 60s
Shutter Only for Photo Mode and Timer Mode, which determines the length of time needed to open the shutter.

Shutter settings: Auto, 2s, 5s, 10s, 20s, 30s

Shooting speed: 1/4096s to 30s
Self-defined IQ parameters for demanding customers
YI 4K Action Camera has multiple high-level settings such as shutter at an exposure time of 30 seconds; Exposure Value compensation setting (EV), Setting of level of sensitivity (ISO); Metering Mode; White Balance (WB); etc. Together with the choice of 9 shooting modes, you can make impressive work like a professional photographer.
WB (White Balance) Users can adjust the white balance settings to change the overall color of the video or photo.
White Balance Setting Recommended Lighting Conditions
Auto (Default) Automatically adjusts the white balance via environment, without human intervention.
Native The original color
Tungsten 3000K, tungsten or sunrise / sunset lighting conditions
Daylight 5500K, cool fluorescent, average daylight conditions
Cloudy 6500K, cloudy environmental conditions
ISO (Level of sensitivity) Change the camera photosensitivity in low light environmental conditions to enhance the brightness for the video or photo. In low light environmental conditions, the higher the ISO value, the brightness the captured video or photo,the greater the signal noise, grainy strong, and vice-versa.
ISO for Video Resulting Video Quality
Auto (Default) Automatically adjusts the sensitivity according to the environmental conditions
400 Darker video in low light, minimum image noise
1600 Moderately bright video in low light, moderate image noise
6400 Brighter video in low light, highest image noise
ISO for Photo Resulting Photo Quality
Auto (Default) Automatically adjusts the sensitivity according to the environmental conditions
100 Bright photo in outdoor daylight, minimal image noise
200 Bright photo in indoor lighting, marginal image noise
400 Darker photo in low light, moderate image noise
800 Darker photo in very low light, increased image noise
EV (Exposure Value compensation) It influences the brightness of the video or photo. When shooting in a contrasting light environmental conditions, you can adjust this parameter to control the brightness of the video or photo. Value adjustment will increase the brightness of the video or photo based on the default basis.

-2.0, -1.5, -1.0, -0.5, 0(Default), +0.5, +1.0, +1.5, +2.0
Metering Mode Divided into two metering modes: spot and center.
Video Quality Divided into high, medium and low grades.
High-density lithium polymer battery, battery specification is 3.85V, 1400/1430mAH(min/typ), 5.39/5.51Wh(min/typ).

Input Current: 1A Input Voltage: 5V
4K 30fps 120 Mins 100 Mins
4K Ultra 30fps 109 Mins 91 Mins
2.5K 30fps 138 Mins 132 Mins
1080p 120fps 120 Mins 103 Mins
1080p Ultra 120fps 120 Mins 108 Mins
1080p 60fps 120 Mins 108 Mins
1080p Ultra 60fps 156 Mins 136 Mins
960p 120fps 148 Mins 125 Mins
720p 240fps 134 Mins 109 Mins
720p Ultra 120fps 138 Mins 124 Mins
Photo + Video Playback
LCD It's easy to preview and play back of videos and photos on the LCD.
App Use YI Action App to preview and play back videos and photos.
Computer Connect via Micro USB to USB cable, preview and play back of videos and photos or copy files from the Micro SD card to your computer.
TV Preview and play back of videos and photos on your TV via the optional cable.
Operate Temperature 32°F-113°F
Operate Humidity 15~90%RH
Storage Temperature -4°F-140°F
Waterproof Up to the depth of 40 meters with the waterproof case.
Bluetooth Built-in 4.0BLE & 2.0 Dual
Remote Control Bluetooth (4.0BLE low power consumption)/The following bluetooth remote control,camera parameters can be set flexibly
G-Sensor Built-in Bosch BMI160, 6-axis gyroscopic, provides precise acceleration and angular rate measurement.
Indicator Light Tricolor power indicator(red,blue,violet),a red status indicator.
Focal length 2.73±5%mm
Mountable Built-in tripod mount(1/4")
Average Power Consumption 2.5W
Audio 360° omni-directional dual microphones
Built-in speaker YI 4K Action Camera records stereo sound in 48kHz, with dual microphones. It optimizes the sound collection and can provide good audio quality even at large outdoor sport events. With AAC Dolby encoder, it records every detail of the sound.
Storage Micro SDHC, SDXC Card

16GB - 128GB with FAT32 format

We recommend micro SD card below to ensure high-quality 4K video.

Transcend Ultimate 633x U3 / Sandisk Extreme U3 / Sandisk Extreme PRO U3

Lexar 1000x U3 / Sony SR-64UX U3 / Sandisk Extreme PLUS U3
Package Contents
1 × Camera
1 × USB Cable
1 × User manual

Price and Availability 

Based on its initial release for $64, Xiaomi Yi 4K Action camera is expected to be available for less than $150, if so, this camera will become an another instant hit xiaomi to slam go pro hero 4.

Purchase Options


Stay tuned for complete comprehensive review of Yi 4K Sports action camera 2 along with the sample videos and pictures with drones here at quadcopterflyers.com, meanwhile join the Facebook Group Here


  1. Replies
    1. yes YI prices are always high, if you want to buy from china during its launch!