Comparison between 70mai Dash Cam 4K A800S and Yi Technology Ultra Dash Camera.

The 70mai A800S 4K Dash Cam is a high-quality recording solution for drivers, offering 4K recording resolution with a Sony IMX 415 sensor. The camera has a wide 140° field of view and uses a SigmaStar SSC8629G processor. It features Advanced Driver-Assistance Systems (ADAS), a clear 3" screen, and a GPS receiver for speed recording. The A800S is known for its excellent performance in various lighting conditions, capturing detailed footage both during the day and night. It also has a Parking Surveillance mode and can be operated through a dedicated 70mai app.

The Yi Technology Ultra Dash Camera is designed to provide high-quality video recording with its 2.7K resolution and 140° wide-angle lens. It features a dual-core chip for efficient processing, and an f/1.9 large aperture lens combined with a high-sensitivity sensor for excellent low-light performance. The camera supports H.264 video compression for efficient storage and includes built-in Wi-Fi for easy file transfer and real-time playback through the Yi Dashcam app. The 2.7-inch widescreen display and intuitive interface make it user-friendly, and the integrated voice control feature allows for hands-free operation. The dashcam also includes a 3-axis gravity sensor for emergency recording and WDR technology for enhanced image quality in varying lighting conditions.