The new Edge 840 has improved GPS, a fresh user interface and the option to solar re-charge. The 830 is still an amazing compact touchscreen, stuffed to the gizzards with features. So which should you buy?
Garmin Edge 840 Cycling GPS In-Depth Review
Garmin Edge® 1040 Solar, GPS Bike Computer with Solar Charging Capabilities, On and Off-Road, Spot-On Accuracy, Long-Lasting Battery, Device Only : Electronics
Garmin offers more solar charging with new Edge 540 and Edge 840 Series GPS cycling computers
Garmin Edge 830 vs 1030 Plus: Still Worth Buying In 2023? - Sportive Cyclist
Garmin Edge 1040 vs 840: Which Is Better (For You)? - Sportive Cyclist
Garmin Edge bike computers: model comparison and buying guide
Garmin Edge 840 Solar review - Cycle Computers - GPS Computers
Edge 840 vs 830: This Video Will Help You Decide
Sportive Cyclist - The MAMIL Channel
Garmin offers more solar charging with new Edge 540 and Edge 840 Series GPS cycling computers
Review: Garmin Edge 840 Solar
Garmin Edge 840 (Non-Solar) GPS Cycling Computer, Touchscreen & Buttons, Targeted Adaptive Coaching, & 26-Hour Battery
Garmin Edge 840 Solar review - Cycle Computers - GPS Computers
Garmin Edge 830 Solar vs Edge 840 Solar
Garmin Edge 840, Compact GPS Cycling Computer with Touchscreen and Buttons, Targeted Adaptive Coaching, Advanced Navigation and More : Electronics