VerdictAI
#1 in Best Cycling Computers

Garmin Edge 840, Compact GPS Cycling Computer with Touchscreen and Buttons, Targeted Adaptive Coaching, Advanced Navigation and…

Best for

Best overall

Amazon rating

★★★★★4.6(368)

Amazon aggregate, one input among many in the Verdict Score

Verdict scoreExcellent
90/ 100

Based on 3 trusted sources

Current price

$349.99

Check Price

Updated Jun 27, 2026 · 1 min read

Garmin Edge 840, Compact GPS Cycling Computer with Touchscreen and Buttons, Targeted Adaptive Coaching, Advanced Navigation and…

Sources behind this verdict

10 reviewers weighted by source trust

Methodology →

The consensus

What reviewers found

Synthesized across the trust-weighted source mix below.

Across the reviewers we read, the Garmin Edge 840 is repeatedly framed as the all-around benchmark for compact cycling computers. The high-trust testing lab outdoorgearlab calls it one of Garmin's premier units, striking a balance between weight and functionality, and specialist write-ups echo that it has become the reference point others are measured against. The combination of touchscreen plus full button control, multi-band GPS, deep training metrics, and ClimbPro is what reviewers keep returning to.

What reviewers liked

  • High-trust testing lab calls it a premier compact computer balancing weight and functionality
  • Both touchscreen and full button controls, plus multi-band GPS for accuracy
  • Strong real-world battery life and weatherproofing praised for long rides
  • Deep training metrics and ClimbPro valued by community reviewers

Where it falls short

  • An owner reported a snapped charging-port tab on the first ride
  • Reviewers consistently note Garmin's interface can feel fiddly
  • Premium price relative to budget alternatives that cover the basics

Embed our score

Sell this product? Show off the rank.

Free badge for the brand, retailer, or anyone covering this product. Copy the snippet and paste it anywhere HTML works. Updates automatically when the ranking changes.

VerdictAI score badge for Garmin Edge 840, Compact GPS Cycling Computer with…

Includes a credit link back to this page. No tracking; no JavaScript.

Across the reviews

Synthesis · not our verdict

Across the reviewers we read, the Garmin Edge 840 is repeatedly framed as the all-around benchmark for compact cycling computers. The high-trust testing lab outdoorgearlab calls it one of Garmin's premier units, striking a balance between weight and functionality, and specialist write-ups echo that it has become the reference point others are measured against. The combination of touchscreen plus full button control, multi-band GPS, deep training metrics, and ClimbPro is what reviewers keep returning to.

Community sentiment is largely positive across high-trust threads. r/cycling and r/Garmin users single out battery life, ease of use, and third-party integration, and an r/MTB rider praised it specifically for long marathon mountain biking in bad weather thanks to its readability and water resistance. The most pointed criticism comes from an r/Garmin owner who snapped the charging-port tab on the first ride and called the price too high, a durability and value concern worth weighing.

The through-line in the reviews we read is that the 840 does almost everything well, with Garmin's occasionally clunky interface being the recurring trade-off rather than any single feature failing. For riders who want one device that handles navigation, structured training, and accurate tracking, it remains the consensus default.

Key specs

Source: Amazon listing
Advanced GPS cycling computer with touchscreen and button control combines superior navigation, planning and performance tracking, cycling awareness and smart connectivity
Battery life
up to 26 hours in demanding use cases; up to 32 hours in battery saver mode
View daily suggested workouts and training prompts on screen; based on your event, get personalized coaching that adapts to your current training load and recovery when riding with a compatible power meter and heart rate monitor
Find your way in the most challenging environments with multi-band GNSS technology that provides enhanced positioning accuracy
See remaining ascent and grade when climbing so you can gauge your effort with the ClimbPro ascent planner, now available on every ride — no course required; view on your Edge device and in the Garmin Connect app on your smartphone for ride planning
Classify your strengths as a cyclist, and compare your cycling ability to the demands of a specific course, so you can focus your training and improvement in the right areas, when paired with your compatible power meter and heart rate monitor
Manage your efforts with the power guide feature, which recommends power targets throughout a course, when paired with your compatible power meter
Get stamina insights while you ride, so you can keep an eye on how much longer you can really push it, when paired with your compatible power meter and heart rate monitor

What customers say

2 verified voices
I'm strongly leaning towards Garmin 840 for battery life as well as ease of use and 3rd party integration. Does Garmin also have this capability?
Trustedvia r/cycling
Bought my very expensive edge 840 Broken on first ride. Snapped the tab connector. I would avoid them like the plage. Why? It is too expensive.
Trustedvia r/Garmin

Trust tier reflects our editorial assessment of the source, not the individual quote. Hover for the rationale. See how we tier sources →

Video review

0 views

Garmin Edge 840: My Long Term Review...” · YouTube

If the consensus convinced you

Check current price on Amazon

Pricing and availability change frequently. Tap through to confirm before buying.