Garmin eTrex 10 vs eTrex 20

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A Comparison of the differences feature between Garmin eTrex 10 and 20

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 10eTrex 20
eTrex 10eTrex 20
ModelseTrex 10?
Garmin eTrex 10
etrex 20
Garmin eTrex 20
View the latest price and availabilityGarmin eTrex 10 Worldwide Handheld GPS Navigator at WalmartGarmin eTrex 20 at Walmart
Product TypeHandheldHandheld
Introduction DateeTrex 10 is a model that was announced by Garmin on May 2011eTrex 20 is a model that was announced by Garmin on May 2011
What's Difference
Display resolution, WxH: 128 x 160 pixels176 x 220 pixels
Display type: transflective, monochrometransflective, 65-K color TFT
Ability to add maps: noyes
Built-in memory: no1.7 GB
Accepts data cards: nomicroSD™ card (not included)
Waypoints/ favorites/ locations:10002000
Track log: 10,000 points, 100 saved tracks10,000 points, 200 saved tracks
Automatic routing (turn by turn routing on roads): noyes (with optional mapping for detailed roads)
Photo navigation (navigate to geotagged photos): noyes
Picture viewer:
Custom maps compatible: noyes
Tide tables:
noYes (with optional Bluechart)
Official Specs and Features
Learn more from the manufacturer site.Read more about eTrex 10 at garmin.comRead more about eTrex 20 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 10Click here to read the reviews on eTrex 20
Carefully look at the reviewed model. Amazon tends to group different models that belong to same series into one product reviews section.
Demo Video
Relevant video found at Click here to watch Garmin Etrex 10 Review/Guide from YouTube.comVideo 1 Garmin eTrex 20 User Review from
Check Price
View the latest priceGarmin eTrex 10 Worldwide Handheld GPS Navigator at WalmartGarmin eTrex 20 at Walmart
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″ ; 2.2″ diag (5.6 cm)
  • 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
  • Geocaching-friendly: yes (paperless)
  • Hunt/fish calendar: yes
  • Sun and moon information: yes
  • 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 10 and 20 do not have the following features:

  • Floats
  • Preloaded maps
  • Touchscreen
  • Electronic compass
  • Barometric altimeter
  • Camera
  • Outdoor GPS games
  • Unit-to-unit transfer (shares data wirelessly with similar units)

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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