Dolphin Proteus DX5i
#10 in CordedFull review
A Wi-Fi full-coverage robot for large pools, essentially Leslie’s counterpart to the Nautilus CC Pro with a longer warranty.
Leslie's $1,199$1,199
The Dolphin Proteus DX5i is the better robotic pool cleaner overall, rated 3.7 to 3.0. The Dolphin Proteus DX5i leads on cleaning and features. The Polaris P70 wins on value. The Polaris P70 costs $700 less ($499 vs $1,199).
Polaris P70
#32 in CordedFull review
A basic floor cleaner for above-ground and simple flat-bottom pools.
Walmart $499$499
Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Dolphin Proteus DX5i for cleaning (Floor, walls and waterline vs Floor only) and features (3 of 4; no caddy vs 0 of 4; no app control, scheduling, swivel cable, caddy).
- Choose the Polaris P70 for value ($499 vs $1,199).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every corded robotic pool cleaner; a clear win is highlighted. How we rank explains each one.
| Factor weight | Dolphin Proteus DX5i | Polaris P70 |
|---|---|---|
| Overall rating | 3.7/5 | 3.0/5 |
| Value 25% | 32 $1,199 | 70 $499 |
| Cleaning 25% | 85 Floor, walls and waterline | 20 Floor only |
| Navigation 15% | 50 Smart scanning | 50 navigation not published (neutral score used) |
| Warranty 15% | 50 2-year warranty | 50 2-year warranty |
| Pool size 10% | 100 pools up to 50 ft long (about 1,250 sq ft) | 50 pool size not published (neutral score used) |
| Features 10% | 75 3 of 4; no caddy | 0 0 of 4; no app control, scheduling, swivel cable, caddy |
Specifications
| Dolphin Proteus DX5i | Polaris P70 | |
|---|---|---|
| Pool | ||
| Pool size (rated) | Up to 50 ft long | - |
| Pool types | In-ground and above-ground | Above-ground |
| Cleaning | ||
| Cleans | Floor, walls and waterline | Floor only |
| Surface skimming | No | No |
| Filter | Fine Filter Kit, top access | 3 L canister, transparent lid |
| Filter capacity | - | 3 L |
| Water flow | 4,000 gal/h | - |
| Power | ||
| Power | Corded, 59 ft cable | Corded, 40 ft cable |
| Run time | Longest cycle 2 h | - |
| Swivel cable | Yes | No |
| Navigation & app | ||
| Navigation | Smart scanning | - |
| App | Yes | No |
| Connectivity | Wi-Fi | - |
| Scheduling | Yes | No |
| Caddy included | No | No |
| Build | ||
| Weight | 17.4 lb (7.9 kg) | - |
| Warranty | 2 years | 2 years |
| Released | 2022-05 | 2023-05 |