# Oceanic Geo 4.0 vs Aqualung i330R: specs and price compared

A sourced, side-by-side comparison of the Oceanic Geo 4.0 (Oceanic) and Aqualung i330R (Aqualung) among dive computers. Oceanic Geo 4.0 is the cheaper of the two at $439.95.

## Side by side

| Spec | Oceanic Geo 4.0 | Aqualung i330R |
| --- | --- | --- |
| US price | $439.95 | $489 |
| Brand | Oceanic | Aqualung |
| Algorithm | Dual Algorithm (PZ+ and DSAT) | ZHL-16C Sport Version |
| Max depth rating (m) | 100 | 100 |
| Display type | segment-lcd | color-lcd |
| Display size (in) | — | — |
| Air integration | — | No |
| Gas mixes | 2 | 3 |
| Dive modes | 4 | 4 |
| Digital compass | — | No |
| Battery type | user-replaceable | rechargeable |
| Battery life dive hrs | 300 | — |
| Bluetooth | Yes | Yes |
| Weight grams | — | — |

## Key differences

- Algorithm: Oceanic Geo 4.0 Dual Algorithm (PZ+ and DSAT) vs Aqualung i330R ZHL-16C Sport Version
- Display type: Oceanic Geo 4.0 segment-lcd vs Aqualung i330R color-lcd
- Gas mixes: Oceanic Geo 4.0 2 vs Aqualung i330R 3
- Battery type: Oceanic Geo 4.0 user-replaceable vs Aqualung i330R rechargeable

## Sources

- Oceanic Geo 4.0: http://web.archive.org/web/20201112041439/https://www.oceanicworldwide.com/product/computers/geo-4-0/ (web.archive.org, verified 2026-07-11)
- Aqualung i330R: https://us.aqualung.com/products/i330r-dive-computer (us.aqualung.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/dive-computers/oceanic-geo-4-vs-aqualung-i330r/
Cite: Per The Front Desk Review, Oceanic Geo 4.0 ($439.95) vs Aqualung i330R ($489) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/dive-computers/oceanic-geo-4-vs-aqualung-i330r/
License: CC BY 4.0.