Suunto
Suunto Ocean
$799
Best Dive Computers · head-to-head
Suunto Ocean vs Oceanic Geo 4.0
A sourced, side-by-side comparison. Oceanic Geo 4.0 is cheaper at $439.95. Every spec and price links to its source.
Oceanic
Oceanic Geo 4.0
$439.95Cheaper
Which is better: the Suunto Ocean or Oceanic Geo 4.0?
On the specs we track, they're closely matched. The Oceanic Geo 4.0 is the cheaper at $439.95.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Suunto Ocean | Oceanic Geo 4.0 |
|---|---|---|
| US price | $799 | $439.95 |
| Brand | Suunto | Oceanic |
| Released | — | — |
| Algorithm | Suunto Bühlmann 16 GF | Dual Algorithm (PZ+ and DSAT) |
| Max depth rating (m) | 60 | 100 |
| Display type | amoled | segment-lcd |
| Display size (in) | 1.43 | — |
| Air integration | Yes | — |
| Gas mixes | 5 | 2 |
| Dive modes | — | 4 |
| Digital compass | Yes | — |
| Battery type | rechargeable | user-replaceable |
| Battery life dive hrs | 40 | 300 |
| Bluetooth | Yes | Yes |
| Weight grams | 99 | — |
Sources — Suunto Ocean: us.suunto.com (verified 2026-07-11). Oceanic Geo 4.0: web.archive.org (verified 2026-07-11).
What's the difference between the Suunto Ocean and Oceanic Geo 4.0?
Where the two actually differ on the specs we track (6 of 12). Matching specs are omitted.
- Algorithm: Suunto Ocean Suunto Bühlmann 16 GF vs Oceanic Geo 4.0 Dual Algorithm (PZ+ and DSAT)
- Max depth rating (m): Suunto Ocean 60 vs Oceanic Geo 4.0 100
- Display type: Suunto Ocean amoled vs Oceanic Geo 4.0 segment-lcd
- Gas mixes: Suunto Ocean 5 vs Oceanic Geo 4.0 2
- Battery type: Suunto Ocean rechargeable vs Oceanic Geo 4.0 user-replaceable
- Battery life dive hrs: Suunto Ocean 40 vs Oceanic Geo 4.0 300
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Suunto Ocean
Only one whitelisted tester, TechRadar, ran a genuine hands-on review of the exact Suunto Ocean; dive-specialist outlets like DIVE Magazine and Wareable fall outside the whitelist. TechRadar's Craig Hale dove with it repeatedly and calls it a vast improvement over the D5, praising the display and value while flagging the non-titanium case and USB-A charging. (1 sourced review, 1 lab-tested.)
Praised: Crisp, clear high-resolution AMOLED display, readable underwater; User-friendly interface, easy to learn within minutes; Strong value for a watch that doubles as dive computer and sports watch.
Flagged: Stainless steel case less ding-resistant than titanium rivals like the Garmin Fenix 8; Ships with an outdated USB-A charger instead of USB-C; Lacks advanced tech-diving support (rebreathers, trimix).
Oceanic Geo 4.0
No sourced tester review yet.