Garmin G1 Vs Garmin Fenix vs Garmin MK3
Posted by Elma Tarr on October 15th, 2024
Garmin G1 vs Fenix vs MK3: Which Dive Computer is Best?
Garmin dive computers are highly regarded by many divers and adventurers for their advanced technology, including GPS integration that enhances dive planning and navigation. I particularily admire Garmin computers for their user-friendly interfaces, intuitive menus and clear displays, which make it easy for divers to access important information underwater. Many models are versatile enough for other activities like hiking or swimming, adding value for multi-sport enthusiasts.
These computers are designed for durability, they withstand harsh underwater conditions and offer customizable settings to suit various types of diving, from recreational to technical. Additionally, many devices feature Bluetooth connectivity for easy syncing with smartphones, which allow divers to track and share their experiences effortlessly. Many Garmin models may have a hugher price point compared to more basic dive computers, but with a strong reputation for quality and customer support, Garmin provides confidence to users in their investments. Through this guide, I will review each computer, highlight the pros and cons between the three Garmin dive computers and discuss what type of diver each is made for.
Quick Comparison table:
Features |  Garmin |  Garmin |  Garmin |
|---|---|---|---|
| Dive Modes | Air, Nitrox, Trimix, Gauge, Apnea, Apnea Hunt and CCR | Air, Nitrox, Gauge, Apnea, Apnea Hunt | Air, Nitrox, Trimix, Gauge, Apnea, Apnea Hunt and CCR |
| Battery Life |
|
|
|
| Surface Multi-GNSS | Track your entry and exit points with advanced satelliteconnectivity | Track your entry and exit points with advanced satelliteconnectivity | Track your entry and exit points with advanced satelliteconnectivity |
| Compatible with InReach | ✅ yes | ✅ yes | ✅ yes |
| Dive compass | ✅ yes | ✅ yes | ✅ yes |
| Depth rating | 100m | 40m | 200m |
Garmin Descent G1 Review:
For the Tech-Rec Diver
- Multiple Dive Modes: It offers various modes for recreational diving, including air, nitrox, and gauge modes.
- Surface GPS and Mapping: The G1 includes GPS functionality for surface navigation and mapping, helping divers find dive sites easily.
- High-Resolution Display: The device features a bright, high-resolution screen that provides clear visibility even in low-light conditions.
- Bluetooth Connectivity: This allows for easy syncing with smartphones to share dive logs and access additional features through the Garmin Dive app.
- Customizable Data Fields: Divers can personalize the display to show the information most relevant to their dive, such as depth, time, and remaining air.
- Built-in Dive Log: The G1 automatically logs dives and allows users to review their dive history.
- Battery Life: The device typically has a long battery life, suitable for extended diving trips.
- Robust Build: Designed to withstand harsh underwater conditions, it’s both durable and water-resistant.
What we like and what you should consider before buying:
- It is a full dive computer and offers a wide range of dive modes, unlike the Fenix which is not a full dive computer
- Budget friendly- almost half the price of the Mk3
- It is smaller and lightweight, yet it is still robust
- It does not have a colored screen like the others, but is monochrome instead (this can save battery life though).
- It has weaker fitness tracking, compared to the Fenix
- Fewer advanced dive features, as when compared to the Mk3
Choose the Garmin Descent G1 if:
Garmin Fenix 8 Multisport Watch and Dive Computer Review:
For the fitness fanatic who enjoys recreational diving
- Advanced GPS and Navigation: Multi-band GPS support for enhanced accuracy, along with preloaded maps for various activities, including topographic and ski maps.
- Multiple Sport Modes: Extensive sport tracking capabilities for activities like running, cycling, swimming, hiking, skiing, and more, with specific metrics for each.
- Health Monitoring: Continuous heart rate monitoring, Pulse Ox sensor for blood oxygen levels, and stress tracking, along with sleep tracking to monitor overall health.
- Smart Notifications: Syncs with smartphones to receive calls, texts, emails, and app alerts directly on the watch.
- Long Battery Life: Extended battery performance, with multiple power modes to optimize usage depending on the activity.
- Wrist-Based Navigation Features: Tools like ClimbPro for real-time elevation data during hikes or climbs, and trend tracking for elevation and grade.
- Customizable Watch Faces and Apps: Access to the Garmin Connect IQ store for customizable watch faces, widgets, and third-party apps.
- Music and Streaming Services: Ability to store music and playlists, and compatibility with streaming services for offline listening via Bluetooth headphones.
- Multi-Global Navigation Satellite System (GNSS): Support for multiple satellite systems (GPS, GLONASS, Galileo) for reliable tracking in challenging environments.
- Safety and Tracking Features: Incident detection and assistance features that can alert emergency contacts in case of an emergency during activities.
What we like and what you should consider before buying:
- A good choice for a 'daily wear' watch
- Has many color choices, and even a solar option
- Incredible fitness tracking capabilities
- Beautiful AMOLED screen
- Its dive analystics are not as strong st the Mk3
- Does not offer Trimix or CCR options and only goes to 40 metres.
- Higher price point for less dive capabilities
Choose the Garmin Fenix 8 if:
Garmin Descent Mk3 Dive Computer Smartwatch Review:
For the Technical Diver
- Multiple Dive Modes: Supports various modes, including air, nitrox, trimix, and gauge modes, catering to different diving experiences.
- Advanced Navigation: Built-in GPS for surface navigation, including mapping and the ability to mark dive sites.
- High-Resolution Display: A bright, easy-to-read color display that provides clear visibility in various lighting conditions.
- Bluetooth Connectivity: Allows for syncing with smartphones to share dive logs and access the Garmin Dive app for tracking and reviewing dives.
- Integrated Dive Log: Automatically logs dives, storing data such as depth, time, and water temperature for easy access and review.
- Smart Notifications: Receive calls, texts, and app alerts directly on the watch when paired with a smartphone.
- Health Monitoring Features: Includes wrist-based heart rate monitoring, Pulse Ox sensor for blood oxygen levels, and activity tracking for daily fitness.
- Long Battery Life: Designed for extended use, the MK3 offers impressive battery life for both diving and everyday use.
- Customizable Data Fields: Users can personalize the display to show relevant dive information, such as depth and remaining air time.
- Rugged Design: Built to withstand harsh underwater conditions, the MK3 is durable and water-resistant.
What we like and what you should consider before buying:
- Most advanced dive capabilities out of the three
- Can go down to 200m, has trimix and CCR modes
- Allows for air integration and you can even message other divers underwater!
- Still an extremely strong smartwatch with sports modes
- Higher price point than the G1
- It takes a bit longer to understand this user-interface
- May be 'too much' for beginner divers
- It bulkier than the other options
Choose the Garmin Descent Mk3 if:
Garmin dive computers have raised the bar by having the built-in GPS and combining it with a smartwatch. The computers are trendy and easy to wear on a daily basis, covering all needs for a wristwatch. I personally use a Garmin, and enjoy every dive!
FAQs:
Still not sure which option to go for? Please reach out to us at scuba@bluewaterphotostore.com. We offer professional and personalized advice to best suit your diving needs.
Elma Tarr
Elma Tarr is the Scuba Gear Brand Manager at Bluewater Photo and an IDC Staff Instructor with over 3,500 dives to her name. Her passion for the underwater world began over 21 years ago, and she has since turned that passion into a thriving profession.
Elma’s interest in dive gear was sparked by a key insight early in her teaching career: one of the biggest obstacles for new divers was often improperly fitting equipment. This realization drove her to deepen her expertise in gear selection, fit, and performance, making her a trusted resource for divers of all levels.
An avid traveler and underwater photographer, Elma has explored dive sites across the globe, with a special love for macro photography. Her blend of field experience, technical knowledge, and customer-first mindset makes her an invaluable part of the Bluewater Photo team.
