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Garmin GPSMAP 4212

alaTest has collected and analyzed 6 reviews of Garmin GPSMAP 4212. The average rating for this product is 4.7/5, compared to an average rating of 4.0/5 for other GPS for all reviews. Reviewers are impressed by the durability and screen. The price and performance also get good views. There are some less positive views about the memory, while there are some mixed views about the reliability.

usability, performance, price, screen, durability


On average, users rate this product 93/100.

Review analysis

(Based on 6 reviews)

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Consumer review ( review summary for Garmin GPSMAP 4212


alaTest has collected and analyzed 3 user reviews of Garmin GPSMAP 4212 from The average user rating for this product is 4.3/5, compared to an average user rating of 4.0/5 for other GPS on People really like the screen. The performance also gets good comments, whereas there are some negative views about the reliability. There are some mixed reviews about the price.

usability, performance, screen


100% of the reviews on give this product a positive rating.

This summary is based on the products: Garmin GPSMAP 4212 12.1-Inch Waterproof Marine GPS and ChartplotterGarmin GPSMAP 4212 12.1-Inch Waterproof Marine GPS and Chartplotter

Mar, 2018

Consumer review (

Great Chartplotter


As far as a chartplotter the Garmin 4212 is an exceptional unit. Navigation is intuitive and screen redraw is fast. Viewing is very customizable based on user preference insofar as different viewing perspectives and overlays. It comes loaded with...

Chart detail, ease of use, many funtional options (weather!), great screen, cheaper than

internal waypoint memory, loss of useful function

Feb, 2009

Consumer review (

Worth every penny!


The screen size is perfect even when viewing three different combonations at once. The XM receiver is excellent because it gives both weather capabilities and music capabilities. Must get the G2 vision card! Highly recommend!

"Durable","High Quality","Good Value"

Aug, 2008

Consumer review (

all in one


The Garmin is reliable,easy to read,and acurate on my travels with my family.Thanks to Garmin my boat trips lets me leave with a piece of mind.

"Strong Construction","Waterproof","Simple Controls","Reliable Performance","Easy To Read"

"Not Portable"

Jul, 2008

Product Specifications

This preloaded, offshore chartplotter combines the power of networking with brilliant color and slim-line design. The GPSMAP 4212 has preloaded BlueChart g2 maps of the U.S. coast and displays them on a whopping 12.1" XGA display with crisp, video-quality resolution. By connecting to the Garmin Marine Network, you can add sonar, radar and weather. The 4212 features highly-detailed BlueChart g2 marine cartography of the coastal United States, including Alaska, Hawaii and the Bahamas. This data provides detailed coastlines, shaded depth contours, navaids, port plans, wrecks, restricted areas and tide and current information. For other areas, the 4212 has a worldwide basemap with high-quality satellite images in place of more traditional maps. With the SD card slot, you can add additional maps without having to connect to a computer. The 4212'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 4212's video input and output options. The 4212 connects easily to the high-speed Garmin Marine Network, so you can interface with additional MFDs and add remote sensors. Once connected, you can share information between the 4212 and other chartplotters on your boat. You can also add high-powered radar, sonar and XM satellite weather and radio to your system. This product is bundled with GPS 17 with pole mount adapter.

Built-in Display

Diagonal Size:12.1"
Diagonal Size (metric):30.7 cm
Resolution:1024 x 768


Form Factor:Fixed

Dimensions & Weight



Display Diagonal:12.1
Display Resolution:1024 x 768
Display size (HxV):7.3 x 9.7
Display size (HxV) (imperial):7.3 x 9.7
Touch screen: No

GPS Software

Maps Included:USA

GPS System

Recommended Use:Marine
Type:GPS receiver

GPS Type

Auto: No
Aviation: No
Geocaching (GPS stash hunt): No
Marine (chartplotters, sounders): Yes
Outdoor (hiking, trekking): No
Sport (fitness, running): No


Packaged Quantity:1
Product Line:Garmin GPSMAP


Audible Alarms: Yes


Ability to add maps: Yes
Map view options:3D


Compatible memory cards:SD


Waterproof: Yes


Automatic routing: No
Routes quantity:20
Tracklog Points:10000
Traffic Message Channel (TMC): No


Bluetooth: No

Other Features

Basemap: Yes

Technical Details

Form Factor:Fixed
Hunt/fish calendar: No
Number of Waypoints:1500
Sun & moon information: Yes
Tide tables: Yes

Weight & Dimensions