This post offers a detailed comparison of the Garmin Edge 840 vs. Garmin Edge 1040, for those readers who are trying to decide which one to buy. If you’re an avid cyclist looking to enhance your ride with a new bike computer, the Garmin Edge 840 and Garmin Edge 1040 are two of the top contenders. Both devices offer a plethora of features tailored to improve your cycling experience, but there are key differences that could influence your decision. Let’s dive into a detailed comparison of these two bike computers to help you make this important decision.

Table Comparing the Garmin Edge 840 vs. Garmin Edge 1040
Getting into the Details: Garmin Edge 840 vs. Garmin Edge 1040
Price
- Garmin Edge 840: Being the less expensive option, the Edge 840 is a great choice for those who want high functionality without breaking the bank.
- Garmin Edge 1040: While it comes at a higher price point, the Edge 1040 offers additional features and a larger display that might justify the extra cost for some users. And also because the Garmin Edge 1050 has just launched, look out for great deals on the Edge 1040.
Display Size of the Garmin Edge 840 vs. Garmin Edge 1040
- Edge 840: The 2.6-inch display is clear and sufficient for most users, offering good visibility and ease of use.
- Edge 1040: The 3.5-inch display provides more real estate for maps and data fields, making it easier to read and interact with while on the move. As an older cyclist, I most definitely prefer the larger screen size of the 1040.
Battery Life
- Edge 840: Offers up to 20 hours of battery life in standard mode and up to 40 hours in battery saver mode, which is ample for most cycling activities. The Edge 840 offers a solar charging option to extend battery life.
- Edge 1040: The extended battery life of up to 35 hours (standard) and 70 hours (battery saver mode) is ideal for long-distance riders and those who don’t want to worry about frequent charging. The Edge 1040 also offers a solar charging option for even longer battery life. If you do multi-day events, this bike computer would likely be your best bet.
Weight
- Edge 840: Weighing in at 67.7 grams (a mere 2.4 oz), it’s lighter and more suitable for those who prioritize a minimal weight setup.
- Edge 1040: At 126 grams (4.4 oz – still very light), it’s heavier but balances this with a larger screen and more robust features. Personally, I am hard pressed to notice the difference in weight that 2 ounces makes.
Mapping and Navigation on the Garmin Edge 840 vs. Garmin Edge 1040
Both models offer full GPS, GLONASS, and Galileo support, ensuring accurate navigation and tracking. Preloaded maps and turn-by-turn directions make both devices reliable companions for exploring new routes.
Both of them allow you to input a destination while out and about on your bike. The computer will then figure out a route and guide you to your destination. Just like the GPS in a car. For many people, this is invaluable. As I am geographically challenged, it has saved me on several occasions when I have managed to get lost, especially in cities I have visited.
Performance Metrics
Both the Edge 840 and Edge 1040 provide advanced performance metrics including VO2 max, recovery time, and training load, helping you to track and improve your fitness levels effectively. In fact, the number of performance metrics is so high that most users won’t even be able to use all of them!
Connectivity
With Bluetooth, ANT+, and Wi-Fi capabilities, both models ensure seamless connectivity with your smartphone, sensors, and other devices.
Smart Features on the Garmin Edge 840 vs. Garmin Edge 1040
Notifications, weather updates, and live tracking are available on both devices, keeping you connected and informed during your rides. There are no significant differences between the Garmin Edge 840 vs. Garmin Edge 1040 in this respect.
Additional Features
Edge 840: Includes ClimbPro, MTB dynamics, and cycling dynamics to help you tackle climbs and trails with confidence.
Edge 1040: In addition to the features found on the Edge 840, it offers twice the memory (32 GB), providing more space for maps and data.
Bottom Line on Garmin Edge 840 vs. Garmin Edge 1040
Both the Garmin Edge 840 and Edge 1040 are excellent choices for serious cyclists of all kinds – amateur and professional. Your decision will likely come down to your budget and specific needs. The Edge 840 offers a huge range of features at a more affordable price, making it suitable for most cyclists. However, if you value a larger display and longer battery life, the Edge 1040 might be worth the extra investment.
For those who are heavily involved in long-distance cycling or multi-day adventures, the Edge 1040’s extended battery life and additional storage could make a significant difference. On the other hand, if you are looking for a high-quality, reliable bike computer without needing the absolute top-tier features, the Edge 840 is an outstanding choice.
Regardless of which model you choose, both Garmin Edge devices are designed to enhance your cycling experience, providing you with the data and tools needed to train smarter and ride more effectively. Happy cycling!
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