Polaris PCX 868 iQ
#4 in CordedFull review
A mid-priced app-controlled Polaris for in-ground pools up to 50 ft.
Leslie's $1,149 Walmart $1,149$1,149
The Polaris PCX 868 iQ is the better robotic pool cleaner overall, rated 3.8 to 3.4. The Polaris PCX 868 iQ leads on warranty and value. The Polaris PCX 868 iQ costs $300 less ($1,149 vs $1,449).
Dolphin Nautilus CC Supreme
#20 in CordedFull review
The best-equipped Nautilus, for large in-ground pools whose owners want a caddy, Wi-Fi and extra scrubbing in one box.
Amazon $1,449 Maytronics $1,449 Walmart $1,548$1,449
Prices were last checked October 21, 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 Polaris PCX 868 iQ for warranty (2-year warranty vs 1-year warranty) and value ($1,149 vs $1,449).
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 | Polaris PCX 868 iQ | Dolphin Nautilus CC Supreme |
|---|---|---|
| Overall rating | 3.8/5 | 3.4/5 |
| Value 25% | 34 $1,149 | 24 $1,449 |
| Cleaning 25% | 85 Floor, walls and waterline | 85 Floor, walls and waterline |
| Navigation 15% | 50 navigation not published (neutral score used) | 50 navigation not published (neutral score used) |
| Warranty 15% | 50 2-year warranty | 0 1-year warranty |
| Pool size 10% | 100 pools up to 50 ft long (about 1,250 sq ft) | 100 pools up to 50 ft long (about 1,250 sq ft) |
| Features 10% | 100 4 of 4 | 100 4 of 4 |
Specifications
| Polaris PCX 868 iQ | Dolphin Nautilus CC Supreme | |
|---|---|---|
| Pool | ||
| Pool size (rated) | Up to 50 ft long | Up to 50 ft long |
| Pool types | In-ground | In-ground |
| Surfaces | All in-ground surfaces | - |
| Cleaning | ||
| Cleans | Floor, walls and waterline | Floor, walls and waterline |
| Surface skimming | No | No |
| Filter | 4 L all-purpose canister, transparent lid | Fine Filter Kit, top access; extra Ultra-Fine Filter Kit in the box |
| Filter capacity | 4 L | - |
| Water flow | - | 4,500 gal/h |
| Power | ||
| Power | Corded, 60 ft cable | Corded |
| Run time | - | Longest cycle 2 h 30 min |
| Swivel cable | Yes | Yes |
| Navigation & app | ||
| App | Yes | Yes |
| Connectivity | Wi-Fi | Wi-Fi |
| Scheduling | Yes | Yes |
| Retrieval | Easy Lift from the app or control box | - |
| Caddy included | Yes | Yes |
| Build | ||
| Weight | 22 lb (10 kg) | 24.6 lb (11.2 kg) |
| Warranty | 2 years | 1 year |