Comparison between Garmin Dash Cam Tandem and VIOFO A139 Pro dashcam.

The Garmin Dash Cam Tandem is a dual-lens dash camera that offers comprehensive coverage with two 180-degree lenses. It features a 1440p resolution for the front camera and 720p for the interior camera. Both lenses provide a wide field of view and are capable of capturing detailed footage. The dashcam is equipped with a G-sensor for impact detection and includes a parking mode. It uses a built-in capacitor instead of a battery, enhancing its heat tolerance. The camera operates without a screen, requiring a smartphone for operation and file retrieval. It supports SD cards up to 512GB. Key features include cloud-enabled, GPS, WiFi, and loop recording, but it lacks a CPL filter and ADAS. The dashcam is known for its high heat and cold tolerance and efficient video storage capabilities​

The VIOFO A139 Pro is an advanced dashcam featuring 4K Ultra HD resolution for superior video clarity. The front camera uses Sony's latest STARVIS 2 IMX678 sensor for enhanced low-light performance and 4K HDR technology to balance bright and dark areas in the footage. It supports up to three channels, allowing for front, rear, and interior recording. The rear and interior cameras record in Full HD 1080P. The dashcam includes features such as dual-band Wi-Fi for fast data transfer, built-in GPS for precise location tracking, and a supercapacitor for reliability in extreme temperatures. The A139 Pro also offers a buffered parking mode, voice notifications, and support for an optional CPL filter to reduce glare. The VIOFO A139 Pro stands out for its advanced video quality, reliable performance, and comprehensive features, making it a top choice for drivers seeking a high-end dashcam solution.