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Garmin Edge 840 GPS Cycling Computer, Touchscreen and Buttons1 / 6
Product guide

Garmin Edge 840 GPS Cycling Computer, Touchscreen and Buttons

Buttons: Garmin Edge 840 is a GPS cycling computer with a touchscreen and button controls for navigation and ride tracking. Its coaching and performance features have conditions: several require compatible power and heart-rate sensors, and the listing gives battery life by operating mode.

At a glance

  • Combines touchscreen operation with physical buttons, giving riders two ways to control the computer.
  • ClimbPro can show remaining ascent and grade on any ride, without requiring a saved course.
  • The listing describes ride-type maps with popular roads and trails plus searchable points of interest.
  • Adaptive coaching, stamina insights and course power targets depend on compatible sensors as specified for each feature.
Price
$489.99Save 26%

Reference price: $659.99

Price checked: Nov 14, 2026

View offer

Often bought together

Pros and cons

Pros

  • Touchscreen and button control offer alternative ways to operate the computer while riding.
  • North America mapping and searchable points of interest support route planning and navigation.
  • ClimbPro is described as available on every ride without a course, with remaining ascent and grade information.

Cons

  • Some coaching and performance functions require compatible power and heart-rate sensors, which are not listed as included.

Technical specifications

16 specifications
Identity
BrandGarmin
ModelEdge® 840
Display and video
Screen size2.6 inches
Screen technology listedTouchscreen
Connectivity and controls
Wireless connection listedBluetooth
Control methods listedTouch
Navigation and maps
Map typeNorth America
Satellite navigation systemGPS
Positioning technology claimedMulti-band GNSS technology
Power and battery
Battery life listed26 hours
Battery life, demanding use casesup to 26 hours in demanding use cases
Battery life, battery saver modeup to 32 hours in battery saver mode
Dimensions and installation
Mounting typeHandlebar Mount
Dimensions listed5.84 x 8.64 x 2.03 cm; 79.38 g
Weight listed79 g
Computing specifications
Storage listed32 GB

What to know before buying

Listing details to confirm

Battery claims are mode-specific: the listing states up to 26 hours in demanding use cases and up to 32 hours in battery saver mode. The separate 26-hour specification does not describe a single mode. Adaptive coaching and course power targets have different compatible-sensor requirements, so confirm the equipment needed for the features you intend to use.

What’s in the box

Included
  • Edge 840
  • Out-front mount
  • Standard mount
  • Tether
  • USB-C cable
  • Documentation

Who is it for?

A good fit for

  • Cyclists who want GPS navigation, ride tracking and both touchscreen and button controls.
  • Riders interested in training prompts and adaptive coaching who already use compatible power and heart-rate sensors.
  • Riders who want climb information and searchable North America maps for road, trail or gravel rides.

Less suited to

  • Buyers seeking adaptive coaching or power-based insights without compatible sensors.
  • Riders who need a battery-life figure independent of operating mode.
Garmin Edge 840 GPS Cycling Computer, Touchscreen and Buttons · photo 2
Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 411 ratings
  • 5 stars78%78%
  • 4 stars11%11%
  • 3 stars3%3%
  • 2 stars2%2%
  • 1 star6%6%

Customer feedback describes the computer as feature-rich and useful for cycling, with positive reports about connectivity, touch response, screen size and reliability. Usability opinions are mixed. For riders who want detailed ride data and navigation, that reported usability variation matters because the device combines a touchscreen with buttons and many functions. These are customer perceptions, not verification of the listed specifications.

Positive themes

  • Customers report appreciating connectivity, touch sensitivity and screen size.
  • The feedback describes positive experiences with functionality, features and reliability.

Mixed feedback

  • Customer opinions on usability vary.

Frequently asked questions

Does the Edge 840 have both touchscreen and button controls?

Yes. The product title and listing describe touchscreen and button control. The technical details list Touch as the control method.

How long does the battery last?

The listing claims up to 26 hours in demanding use cases and up to 32 hours in battery saver mode. These are mode-specific claims, not one unconditional maximum.

Do the coaching features require additional sensors?

Some do. Adaptive coaching, cycling ability comparisons and stamina insights are specified for use with compatible power and heart-rate monitors. Power Guide requires a compatible power meter.

What mapping is listed?

The specifications list North America maps. The feature description also mentions ride-type-specific maps with popular roads and trails and searchable points of interest.

Garmin Edge 840 GPS Cycling Computer, Touchscreen and Buttons · photo 3
Additional product photo 3

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