Choosing dive computers & instruments means balancing three decisions at once: how you want to view the computer, whether air integration is part of the setup, and how much condition and included gear matter. A wrist computer, an air-integration transmitter bundle, and a hose-mounted console represent different setups, not interchangeable versions of one item. This comparison sorts four concrete choices by those trade-offs and by listed price.
Quick take
Prioritize the included transmitter if air integration is central. Prioritize the Cobra if new condition and a console format matter most. Choose the Perdix for its named wrist and no-AI configuration, or the 55mm Teric when its included accessories fit your setup. The important compromises are condition, format, and package contents rather than brand name alone.
Listed-price comparison
Prices span a wide range, so the included gear and condition deserve attention alongside the computer model. The bars show each listed position across the four choices.
| Product | Listed price | Price bar |
|---|---|---|
| Shearwater Teric Dive Computer Black 55mm | USD 624.99 | |
| Shearwater Teric Dive Computer w/ Air Integration Transmitter, Charger | USD 899.99 | |
| Shearwater Perdix Wrist Dive Computer - Black - Original OG, NO AI | USD 500.00 | |
| Suunto Cobra Air-Integrated Scuba Dive Computer - NEW in Box - Console | USD 195.49 |
Decision matrix
- Air integration: Shearwater Teric Dive Computer w/ Air Integration Transmitter, Charger includes an air-integration transmitter, while Suunto Cobra is air-integrated. Shearwater Perdix is explicitly marked NO AI.
- Format: The Perdix is a wrist dive computer, while the Cobra is a console and hose-mounted unit. The 55mm Teric detail identifies case size, not a mounting format.
- Condition: The two Teric choices and the Perdix are used. The Cobra is new, making condition a clear separator.
- Included setup: The 55mm Teric includes a charger, case, documents, carabiner, and M/L band. The transmitter Teric includes its transmitter, wireless charging station, and case. The Perdix is the computer only with no box, while the Cobra includes original packaging, manuals, and accessories.
Product notes
Shearwater Teric Dive Computer Black 55mm
At USD 624.99, the Shearwater Teric Dive Computer Black 55mm suits someone who wants a 55mm case and a named accessory set: genuine charger, Shearwater case, documents, carabiner, and M/L band. It also includes multi-gas decompression, with a silicone band and Android as the compatible operating system. The limitation is its used condition, plus the fact that items not specifically included should not be assumed. That makes the named contents important. Choose it for the Teric package and 55mm detail when those accessories fit your setup.
Shearwater Teric Dive Computer w/ Air Integration Transmitter, Charger
The Shearwater Teric Dive Computer w/ Air Integration Transmitter, Charger is a direct choice when the transmitter itself is central. The package includes the Teric, transmitter, wireless charging station, and black/blue zippered case. It also has a full-color AMOLED display with sapphire crystal, digital compass, Bluetooth, wireless rechargeable battery, audible and vibration alerts, and Air, Nitrox, Trimix, Tech, CCR, and Freediving modes. Its concrete limitations are used condition and the USD 899.99 price, the highest of the four. Choose it for the named transmitter bundle and mode list.
Shearwater Perdix Wrist Dive Computer - Black - Original OG, NO AI
Shearwater Perdix Wrist Dive Computer - Black - Original OG, NO AI suits a buyer specifically seeking the original Gen 1 Perdix in a wrist configuration without air integration. It has 54 dives and was used as a backup for tech diving. Its limitations are physical and clearly described: scratches on the housing, a scratched screen protector, and buckles with only one arm on the male end. It is also the computer only, with no box; blue bungees may be included. The reason to choose it is the exact Perdix/no-AI format, while the visible wear and buckle issue are important compromises.
Suunto Cobra Air-Integrated Scuba Dive Computer - NEW in Box - Console
Suunto Cobra Air-Integrated Scuba Dive Computer - NEW in Box - Console is the clearest match for a new, hose-mounted console. It tracks tank pressure, depth, time, and no-decompression limits, and includes Nitrox compatibility, audible and visual alarms, a user-replaceable battery, a large display, and the Suunto RGBM algorithm. At USD 195.49, it is the lowest-priced choice here. The limitation is the console format: it is not the wrist format named by the Perdix. Choose the Cobra when new condition, console placement, and explicitly air-integrated operation take priority.
Final recommendation by use case
- Air integration with a transmitter: Choose the Shearwater Teric Dive Computer w/ Air Integration Transmitter, Charger for its named transmitter and charging station.
- New console setup: Choose the Suunto Cobra Air-Integrated Scuba Dive Computer - NEW in Box - Console when the new condition and hose-mounted format fit your gear.
- Original wrist computer without AI: Choose the Shearwater Perdix Wrist Dive Computer - Black - Original OG, NO AI when that model and configuration matter more than the described wear.
- 55mm Teric package: Choose the Shearwater Teric Dive Computer Black 55mm when the case size and named charger-and-case bundle are the useful extras.
