Oceanic
Oceanic Geo 4.0
$439.95
Best Dive Computers · head-to-head
Oceanic Geo 4.0 vs Mares Puck Pro+
A sourced, side-by-side comparison. Mares Puck Pro+ is cheaper at $367.95. Every spec and price links to its source.
Mares
Mares Puck Pro+
$367.95Cheaper
Which is better: the Oceanic Geo 4.0 or Mares Puck Pro+?
On the specs we track, they're closely matched. The Mares Puck Pro+ is the cheaper at $367.95.
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Oceanic Geo 4.0 | Mares Puck Pro+ |
|---|---|---|
| US price | $439.95 | $367.95 |
| Brand | Oceanic | Mares |
| Released | — | — |
| Algorithm | Dual Algorithm (PZ+ and DSAT) | Buhlmann ZH-L16C |
| Max depth rating (m) | 100 | 150 |
| Display type | segment-lcd | segment-lcd |
| Display size (in) | — | — |
| Air integration | — | No |
| Gas mixes | 2 | 2 |
| Dive modes | 4 | — |
| Digital compass | — | No |
| Battery type | user-replaceable | user-replaceable |
| Battery life dive hrs | 300 | — |
| Bluetooth | Yes | Yes |
| Weight grams | — | — |
Sources — Oceanic Geo 4.0: web.archive.org (verified 2026-07-11). Mares Puck Pro+: bluewaterphotostore.com (verified 2026-07-11).
What's the difference between the Oceanic Geo 4.0 and Mares Puck Pro+?
Where the two actually differ on the specs we track (2 of 12). Matching specs are omitted.
- Algorithm: Oceanic Geo 4.0 Dual Algorithm (PZ+ and DSAT) vs Mares Puck Pro+ Buhlmann ZH-L16C
- Max depth rating (m): Oceanic Geo 4.0 100 vs Mares Puck Pro+ 150