Compare Garmin GPSMAP 4008 - 8.6 in. GPS Receiver to Garmin GPSMAP 546 - 5 in. GPS Receiver

The power of networking meets the brilliance of great design in this chartplotter, which serves as your all-in-one "nerve center" for the Garmin Marine Network. The GPSMAP 4008 has video-quality resolution on an 8.4" VGA display as well as a worldwide, satellite-enhanced basemap. By connecting to the Garmin Marine Network, you can add sonar, radar and weather. For even more enhanced features, you can add the optional BlueChart® g2 Vision card. View Detailed Graphics and Video The 4008 features a worldwide basemap with high-quality satellite images in place of more traditional maps. And for more detail, you can add maps easily with the SD card slot without having to connect to a computer. The 4008's high-speed processor draws maps quickly, and its simple intuitive interface makes navigating easy. To keep tabs on your engine room or other area of your boat, you can also connect a live video feed with the 4008's video input and output options. Less

The GPSMAP 546 is a compact chartplotter that features a high-resolution, super-bright 5 VGA color display along with an improved high-speed digital design for increased map drawing and panning speeds. It s ready to go with an easy-to-use interface and a built-in, satellite-enhanced basemap preloaded with all U.S. coastal areas, including Alaska and Hawaii as well as detailed charts for the Bahamas. The GPSMAP 546 also accepts BlueChart g2 Vision cards for added features and functionality such as high-resolution satellite imagery, 3-D views and Auto Guidance technology. Less