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 Dolphin Proteus DX4 Plus wins on value. The Dolphin Proteus DX4 Plus costs $200 less ($949 vs $1,149).
Dolphin Proteus DX4 Plus
#22 in CordedFull review
Leslie’s mid-range Dolphin for small in-ground pools that need steps and waterline cleaned.
Leslie's $949 Walmart $949$949
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 Dolphin Proteus DX4 Plus for value ($949 vs $1,149).
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 Proteus DX4 Plus |
|---|---|---|
| Overall rating | 3.8/5 | 3.4/5 |
| Value 25% | 34 $1,149 | 42 $949 |
| 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 | 50 2-year warranty |
| Pool size 10% | 100 pools up to 50 ft long (about 1,250 sq ft) | 24 pools up to 32 ft long (about 510 sq ft) |
| Features 10% | 100 4 of 4 | 50 too few features published (neutral score used) |
Specifications
| Polaris PCX 868 iQ | Dolphin Proteus DX4 Plus | |
|---|---|---|
| Pool | ||
| Pool size (rated) | Up to 50 ft long | Up to 32 ft long |
| Pool types | In-ground | In-ground |
| Surfaces | All in-ground surfaces | All surfaces |
| Cleaning | ||
| Cleans | Floor, walls and waterline | Floor, walls and waterline |
| Surface skimming | No | No |
| Filter | 4 L all-purpose canister, transparent lid | Top-load basket, fine filter |
| Filter capacity | 4 L | - |
| Water flow | - | 4,000 gal/h |
| Power | ||
| Power | Corded, 60 ft cable | Corded, 40 ft cable |
| Run time | - | Longest cycle 2 h 30 min |
| Swivel cable | Yes | - |
| Navigation & app | ||
| App | Yes | - |
| Connectivity | Wi-Fi | - |
| Scheduling | Yes | - |
| Retrieval | Easy Lift from the app or control box | - |
| Caddy included | Yes | - |
| Build | ||
| Weight | 22 lb (10 kg) | 16.5 lb (7.5 kg) |
| Warranty | 2 years | 2 years |