Shearwater Dive Computers Compared: Peregrine vs Teric vs Perdix 2
This comprehensive guide compares three popular Shearwater dive computer models: the Teric, Peregrine, and Perdix 2. Dr. Pierce is a marine biologist and co-founder of the Marine Megafauna Foundation.
Quick Recommendations by Diver Type
| Diver Type | Recommended Model | Why |
|---|---|---|
| Recreational Divers | Shearwater Peregrine | Affordable, user-friendly, full-color screen |
| Advanced Recreational | Shearwater Teric | Wearable watch-style with tech features |
| Underwater Photographers | Shearwater Perdix 2 | Large screen, air integration, dual strap |
| Technical Divers | Shearwater Perdix 2 | Legendary status, fully customizable |
| Dive Professionals | Shearwater Teric | Watch-style, streamlined for demos |
| Freedivers | Shearwater Teric | Dedicated freediving mode, AMOLED screen |
Feature Comparison Table
| Feature | Peregrine | Teric | Perdix 2 |
|---|---|---|---|
| Price | ~$500 | ~$1,200 | ~$1,200 |
| Air Integration | No | Yes | Yes |
| Screen Type | LCD/LED | AMOLED | LCD/LED |
| Watch Mode | No | Yes | No |
| Freediving Mode | No | Yes | No |
| Battery | Rechargeable Li-ion (30h) | Rechargeable Li-ion (30h dive/50h watch) | AA replaceable (40-100h) |
| Screen Size | 2.2” | 1.39” | 2.2” |
| Dive Log Capacity | 200 hours | 500 hours | 1,000 hours |
| Alert System | Vibration only | Vibration + Audible | Vibration only |
| Compass | No | Yes | Yes |
Shearwater Peregrine vs Shearwater Teric
Choose Peregrine If:
- You want a larger, brighter display
- Air integration isn’t important to you
- You prefer a lower price point
- Recreational diving is your focus
Choose Teric If:
- You want to wear it as an everyday watch
- Air integration is important
- You need freediving mode
- You prefer audible alerts
Shearwater Peregrine vs Shearwater Perdix 2
Choose Peregrine If:
- You’re a recreational diver
- Budget is a consideration
- You don’t need air integration
- You want wireless charging
Choose Perdix 2 If:
- You need air integration
- Technical diving is in your plans
- You want the longest battery life
- You need maximum dive log storage
Shearwater Perdix 2 vs Shearwater Teric
Choose Perdix 2 If:
- Screen size and readability are priority
- You dive with cameras/equipment (dual strap mounting)
- You want user-replaceable batteries
- Technical diving is your focus
Choose Teric If:
- You want to wear it between dives
- Compact size is important
- You need freediving mode
- Audible alerts matter to you
Shearwater Peregrine - Detailed Overview
Buy Shearwater Peregrine on Amazon
Strengths:
- Brightest LCD display with LED backlight
- Intuitive two-button navigation - easy to learn
- Supports 3-Gas Nitrox mode for recreational tech diving
- Stores ~200 hours of dive logs
- Bluetooth connectivity for app sync
- Wireless charging via included pad
Limitations:
- No air integration capability
- Cannot be worn as wristwatch
- No freediving mode
- Micro-USB charging (not USB-C)
Best For:
Recreational divers who want an excellent display and user experience without paying for features they won’t use.
Read Full Shearwater Peregrine Review
Shearwater Teric - Detailed Overview
Buy Shearwater Teric on Amazon
Strengths:
- Wearable as daily watch - use it between dives
- Full-color AMOLED display - vibrant and sharp
- Dual alert system - vibration + audible
- Dedicated freediving mode - for breath-hold diving
- Built-in 3-axis compass - navigation underwater
- Air integration support - wireless tank monitoring
Considerations:
- Smaller rounded screen displays less info per layout
- Vibration alerts may not transmit through thick wetsuits
- No smartwatch/GPS features like competing models
Best For:
Divers who want a watch-style computer they can wear every day with full technical diving capabilities.
Read Full Shearwater Teric Review
Shearwater Perdix 2 - Detailed Overview
Buy Shearwater Perdix 2 on Amazon
Strengths:
- Legendary among technical divers - industry standard
- User-replaceable AA battery - 60-100h depending on type
- Largest screen for best readability
- Dual strap capability - secure to gear or arm
- Stores 1,000 hours of dive data
- Supports trimix and rebreather modes
Considerations:
- Not wearable as watch between dives
- Uses bungee cord/clips instead of traditional strap
- Higher cost reflects extensive feature set
Best For:
Technical divers, underwater photographers, and anyone who wants the most capable dive computer available.
Read Full Shearwater Perdix 2 Review
All Models Support
All three Shearwater models share these features:
- ZHL16-C algorithm with optional VPM/DCIEM
- Multiple dive modes - Air, Nitrox, technical options
- Bluetooth wireless connectivity
- LED backlit displays for night diving
- Multiple language support
- Customizable display settings
- Firmware updates via app
Teric and Perdix 2 also support:
- Multiple transmitter support for tank monitoring
- Advanced technical modes - trimix, CCR
Related Reviews
- Best Dive Computers 2025
- Shearwater Peregrine Review
- Shearwater Teric Review
- Shearwater Perdix 2 Review
About the Author
Dr. Simon Pierce is a marine biologist and co-founder of the Marine Megafauna Foundation, leading the Global Whale Shark Program with over 20 years of diving experience.
Source: naturetripper.com/gear/shearwater-dive-computers-compared