[Update: While Xiaomi is a minority investor of YI in China, and YI products are sold in Xiaomi stores, Xiaomi does not own YI Technology nor does it own, produce or design any of its products. Therefore any mentions of Xiaomi in the article should be read instead as “YI Technology.”]
Xiaomi is about to launch a new 4K sports camera with Xiaomi Yi 4K powered by Ambarella A9SE dual core Cortex A9 processor and supporting video recording up to 4K @ 30 fps.
The specs of the new camera is actually pretty similar to what you’ve got on GoPro HERO4 Black camera, plus some improvements as the comparison table below shows. I found the data on GeekBuying blog, so it could not be entirely unbiased, but it still gives an idea.
|Yi 4K Action Camera||GoPro HERO4 Black|
|Processor||Ambarella A9SE||Ambarella A9|
|Image Sensor||Sony IMX377 12MP ½ 3”||Sony IMX117 12MP ½ 3”|
|Lens||7 glass, 155 degree wide-angle|
|Display||2.19” Touch Screen @ 640×360||External LCD Touch BacPac|
|WiFi module||Broadcom BCM43340 dual band 802.11 b/g/n WiFi||Atheros QCA6134X 802.11 b/g/n|
|Battery||1,400 mAh||1,160 mAh|
|Battery Life||110 minutes 4K @ 30 fps recording||55 minutes 4K @ 30 fps recording|
|Microphone||Dual microphone||Single microphone|
|Remote Control||Bluetooth LE||WiFi|
|Video Mode||Up to 4K @ 30 fps and 720p @ 240 fps|
|Photo Mode||Up to 12MP photo|
|Burst Mode||30 photos per second|
|Time-lapse||Built-in support for 0.5/1/2/5/10/30/60s intervals|
|Slow motion||1/8, 1/4, and 1/2 speed recording||No built-in support|
|Lens Distortion Correction (LCD)||Yes||No built-in support|
|Electronic Image Stabilization (EIS)||Yes||No|
|Power on Speed||3 seconds||5 seconds|
AFAIK, Xiaomi has not officially announced the new camera yet, but following earlier leaks, several resellers have now listed Xiaomi Yi 4K Camera 2 on their website for $249.99 on including GeekBuying and Banggood (now $235), with shipping scheduled for June 15, 2016. For reference, GoPro HERO4 Black sells for $499.99.