Help me choose
A stronger Pool Express option
Dolphin Premium 40 and Dolphin T15 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.
Premium
Dolphin Premium 40
Inground pools up to 50 ft that need floor, wall and waterline cleaning with app scheduling and a caddy.
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 Premium 40 or Dolphin T15: our take
Dolphin Premium 40 and Dolphin T15 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 Premium 40 is intended for inground pools, while Dolphin T15 is intended for above-ground pools. Dolphin Premium 40 is rated for pools up to 50 ft; Dolphin T15 is rated up to 30 ft. Dolphin Premium 40 cleans floor, walls, and waterline; Dolphin T15 cleans floor. Dolphin Premium 40 lists 2 active brushes and CleverClean navigation. Dolphin T15 lists 1 active brush.
Filtration and debris
Dolphin Premium 40 includes Basket and UltraFilter; Dolphin T15 includes Basket. That gives Dolphin Premium 40 the clearer documented edge for fine silt, pollen and sand.
Controls and day-to-day ownership
Dolphin Premium 40 provides a weekly timer and smartphone control; Dolphin T15 provides one-touch starts and power-supply controls. Dolphin Premium 40 uses continuous corded power, while Dolphin T15 uses a 40 ft corded cable. Dolphin Premium 40 is listed at 18.6 lb versus 14 lb for Dolphin T15; that 4.600000000000001 lb difference matters when lifting the robot from the pool.
Price, warranty and the decision
Dolphin Premium 40 is listed at $1,629 and Dolphin T15 at $649; Dolphin T15 is $980 less. Each lists a 2-year manufacturer warranty. Dolphin Premium 40 and Dolphin T15 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 Premium 40 | Dolphin T15 |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | YesEdge | No |
| Scrubs the waterline | YesEdge | No |
| Fine-debris filter included | YesEdge | No |
| Large-debris filter | Yes | Yes |
| Automatic scheduling | YesEdge | No |
| Smartphone app | YesEdge | No |
| Anti-tangle swivel | Yes | Not listed |
| 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 Premium 40 stands out
Dolphin Premium 40 is the better fit for pools up to 50 ft.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Includes filtration for sand, pollen and other fine debris
- Uses 2 active brushes instead of 1
- Can start on a weekly schedule without a manual launch before every cycle
Where Dolphin T15 stands out
Dolphin T15 is the better fit for shoppers prioritizing the lower $649 starting price.
- Is listed $980 lower
- Weighs 14 lb versus 18.6 lb
Dolphin Premium 40 vs Dolphin T15 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 Premium 40 | Dolphin T15 |
|---|---|---|
| Best fit | Inground pools up to 50 ft that need floor, wall and waterline cleaning with app scheduling and a caddy. | Above-ground pools up to 30 ft that need floor cleaning. |
| Starting price | $1,629 | $649 |
| Pool type | Inground | Above-ground |
| Maximum pool length | Up to 50 ft | Up to 30 ft |
| Cleaning coverage | Floor, Walls, Waterline | Floor |
| Power | Corded | Corded |
| Filtration | Basket, UltraFilter | Basket |
| Scheduling | Weekly schedule + app | One-touch start |
| App and remote | App control | Power-supply controls |
| Cable | Not listed | 40 ft |
| Robot weight | 18.6 lb | 14 lb |
| Warranty | 2 years | 2 years |
Consider the stronger Pool Express option
Dolphin Premium 40 and Dolphin T15 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.
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