Quick Summary
The Garmin Edge 840 is a compact GPS cycling computer with touchscreen and button control. It brings together navigation, training prompts, ride planning and cycling awareness in one device, with smart connectivity features alongside on-screen coaching tools.
It also includes battery life figures of up to 26 hours in demanding use cases and up to 32 hours in battery saver mode, so runtime is a key check if longer rides matter to you.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | GPS cycling computer for ride tracking, navigation and training support. |
| Control method | Touchscreen and buttons, giving two ways to operate the device. |
| Battery life | Up to 26 hours in demanding use cases and up to 32 hours in battery saver mode. |
| Navigation | Advanced navigation with improved ride type-specific maps and searchable points of interest. |
| Positioning | Multi-band GNSS technology for enhanced positioning accuracy. |
| Training features | Daily suggested workouts, training prompts and targeted adaptive coaching. |
| Climbing support | ClimbPro ascent planner shows remaining ascent and grade on every ride. |
| Power and recovery features | Power guide, stamina insights and personalised coaching are available when paired with a compatible power meter and heart rate monitor. |
What to Compare Before Buying
- Control style: This model uses both a touchscreen and buttons. Compare that with the control style you prefer for riding conditions.
- Battery life: The stated runtime reaches up to 26 hours or 32 hours in battery saver mode. Check that against the length of your rides.
- Training pairing: Some coaching and insight features work when paired with a compatible power meter and heart rate monitor. Confirm whether you already have those devices.
- Navigation needs: The device includes advanced navigation, ride type-specific maps and searchable points of interest. Compare those features with the routes and planning help you want.
- Positioning support: Multi-band GNSS is included for enhanced positioning accuracy. Consider whether that matters for the environments where you ride.
Who This Product May Suit
This cycling computer may suit riders who want on-device navigation, ride planning and training prompts in a compact format. It is also relevant if you want both touchscreen and button control, or if climbing data and adaptive coaching are part of your training approach.
Using It in Practice
On longer rides, the Edge 840 gives you a single unit for route guidance, workout prompts and climb information. The stated maps, ascent planning and coaching tools are aimed at helping you follow a route, monitor effort and keep track of training targets while riding.
Before You Decide
Confirm that you want a GPS cycling computer with both touchscreen and button control. Check the battery life figures against your longest rides, and make sure any coaching or power-based features match the sensors and training setup you already use.
