A stronger Pool Express option
Dolphin E10 and Dolphin Proteus DX5i are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Cayman. Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
Proteus
Dolphin Proteus DX5i
Inground pools up to 50 ft that need floor, wall and waterline cleaning.
What we recommend instead
Dolphin Cayman
Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
$1,079
Buy Dolphin CaymanDolphin E10 or Dolphin Proteus DX5i: our take
Dolphin E10 and Dolphin Proteus DX5i are compared on pool fit, cleaning reach, debris handling, controls and ownership details. The recommendation is based on the job the robot must do—not a simple feature count.
Pool fit and cleaning reach
Dolphin E10 is intended for above-ground pools, while Dolphin Proteus DX5i is intended for inground pools. Dolphin E10 is rated for pools up to 33 ft; Dolphin Proteus DX5i is rated up to 50 ft. Dolphin E10 cleans floor; Dolphin Proteus DX5i cleans floor, walls, and waterline. Dolphin E10's documented cleaning system includes 1 active brush.
Filtration and debris
Both models include Basket.
Controls and day-to-day ownership
Dolphin E10 provides one-touch starts and power-supply controls; Dolphin Proteus DX5i provides smartphone control. Dolphin E10 uses a 40 ft corded cable, while Dolphin Proteus DX5i uses a 60 ft corded cable with an anti-tangle swivel.
Price, warranty and the decision
Dolphin E10 is listed at $499 and Dolphin Proteus DX5i at $1,299; Dolphin E10 is $800 less. Each lists a 2-year manufacturer warranty. Dolphin E10 and Dolphin Proteus DX5i each have a specific fit, but neither is the Pool Express pick for this job. Our better alternative is Dolphin Cayman. Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
Feature check: what each robot actually has
A green check means the feature is documented as included. A red X means it is documented as absent. A dash means the source does not make the feature clear.
| Feature | Dolphin E10 | Dolphin Proteus DX5i |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | No | YesEdge |
| Scrubs the waterline | No | YesEdge |
| Fine-debris filter included | No | No |
| Large-debris filter | Yes | Yes |
| Automatic scheduling | No | Not listed |
| Smartphone app | No | YesEdge |
| Anti-tangle swivel | Not listed | Yes |
| 3-year warranty | No | No |
| No recharging between cycles | Yes | Yes |
| Built-in UV-C water treatment | No | No |
Unknown is not treated as “no.” Specifications come from the product pages, current catalog records and manufacturer material collected for this site.
Where Dolphin E10 stands out
Dolphin E10 is the better fit for shoppers prioritizing the lower $499 starting price.
- Is listed $800 lower
- Cleans the pool floor
Where Dolphin Proteus DX5i stands out
Dolphin Proteus DX5i is the better fit for pools up to 50 ft.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Adds smartphone control
- Is rated for pools up to 50 ft
Dolphin E10 vs Dolphin Proteus DX5i specifications
Use pool fit first. Price and app control do not make up for a robot that cannot cover the length or surfaces you need cleaned.
| Specification | Dolphin E10 | Dolphin Proteus DX5i |
|---|---|---|
| Best fit | Above-ground pools up to 33 ft that need floor cleaning. | Inground pools up to 50 ft that need floor, wall and waterline cleaning. |
| Starting price | $499 | $1,299 |
| Pool type | Above-ground | Inground |
| Maximum pool length | Up to 33 ft | Up to 50 ft |
| Cleaning coverage | Floor | Floor, Walls, Waterline |
| Power | Corded | Corded |
| Filtration | Basket | Basket |
| Scheduling | One-touch start | Not listed |
| App and remote | Power-supply controls | App control |
| Cable | 40 ft | 60 ft with anti-tangle swivel |
| Robot weight | Not listed | Not listed |
| Warranty | 2 years | 2 years |
Consider the stronger Pool Express option
Dolphin E10 and Dolphin Proteus DX5i are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Cayman. Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
More robotic pool cleaner comparisons
Keep comparing without rebuilding the same specification table yourself.
Help me choose

