Garmin eTrex 20 vs eTrex 30

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A Comparison of the difference features between Garmin eTrex 20 vs 30

Updated: You might like this comparison too, an upgrade eTrex versions Garmin eTrex 20x vs 30x

Note: This comparison by GPSCompared is a basic guide based on Garmin published specifications and features at their official website. And by no means that this comparison is definitive. There might be other similarities and differences which are not covered here.

Garmin Handhelds GPSeTrex 20 eTrex 30
eTrex 20 eTrex 30
Modelsetrex 20
Garmin eTrex 20
eTrex 30
Garmin eTrex 30
For US Readers
View the latest price from
Garmin 010-00970-10 eTrex 20, Worldwide Garmin eTrex 30 Worldwide Handheld GPS Navigator
Product Type HandheldHandheld
Introduction DateeTrex 20 is a model that was announced by Garmin on May 2011eTrex 30 is a model that was announced by Garmin on May 2011
What's Difference
Electronic compass: NoYes (tilt-compensated 3-axis)
Barometric altimeter: NoYes
Unit-to-unit transfer (shares data wirelessly with similar units): NoYes
Official Specs and Features
Learn more from the manufacturer site. Read more about eTrex 20 at garmin.comRead more about eTrex 30 at
Amazon’s Customer Reviews
inclusive of the most helpful favorable review and the most helpful critical review (if applicable) Click here to read the reviews on eTrex 20Click here to read the reviews on eTrex 30
Amazon tend to group a few models into one section of customer reviews (i.e models that belong to same series). So when you read a review, do look at which model the review refers to.
Demo Video
Relevant video found at YouTube.comVideo 1 Garmin eTrex 20 User Review from Click here to watch eTrex 30 from
Price Check
View the latest priceClick on this link Garmin 010-00970-10 eTrex 20, Worldwide Click on this link Garmin eTrex 30 Worldwide Handheld GPS Navigator

Common Features for both Garmin:

  • Unit dimensions, WxHxD: 2.1″ x 4.0″ x 1.3″ (5.4 x 10.3 x 3.3 cm)
  • Display size, WxH: 1.4″ x 1.7″ (3.5 x 4.4 cm); 2.2″ diag (5.6 cm)
  • Display resolution, WxH: 176 x 220 pixels
  • Display type: transflective, 65-K color TFT
  • Weight: 5 oz (141.7 g) with batteries
  • Battery: 2 AA batteries (not included); NiMH or Lithium recommended
  • Battery life: 25 hours
  • Waterproof: yes (IPX7)
  • High-sensitivity receiver: yes
  • Interface: USB
  • Basemap: yes
  • Ability to add maps: yes
  • Built-in memory: 1.7GB
  • Accepts data cards: microSD™ card (not included)
  • Waypoints/favorites/locations: 2000
  • Routes: 200
  • Track log: 10,000 points, 200 saved tracks
  • Automatic routing (turn by turn routing on roads): yes (with optional mapping for detailed roads)
  • Photo navigation (navigate to geotagged photos)
  • Picture Viewer
  • Custom maps compatible: yes
  • Geocaching-friendly: yes (paperless)
  • Hunt/fish calendar: yes
  • Sun and moon information: yes
  •  Tide tables : Yes (with optional Bluechart)
  • Area calculation: yes
  • Custom POIs (ability to add additional points of interest): yes
  • Garmin Connect™ compatible (online community where you analyze, categorize and share data): yes

Unavailable Features:

Both eTrex 20 and 30 do not have the following features:

  • Floats
  • Preloaded maps
  • Touchscreen
  • Camera
  • Outdoor GPS games

Disclaimer: Information provided is believed correct and true to the best of our ability, however, GPS Devices is not responsible for typographical errors or incorrect data. To report any errors, please use the comment below or visit the official Garmin products page for details specifications.

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