Head-to-Head Comparison

Dolphin T55i vs Aquabot X4

Our pool experts compare features, filtration, specs, and value to help you pick the right robotic pool cleaner.

Dolphin T55i

$1699

View T55i

Our Top Pick

Aquabot X4

★★★★☆ 4.2 (120)

$747$947

Save $200

View X4

Aquabot X4 or Dolphin T55i — which wins?

Our pick: the Aquabot X4

Diving into the Dolphin T55i vs Aquabot X4, our pool experts weigh filtration, cleaning coverage, smart features, and value. For most pools, the Aquabot X4 is the robot we recommend — and right now you save $200.

Side by Side

Feature Comparison

The features that matter most when comparing the Dolphin T55i and Aquabot X4.

Feature	T55i	X4Our Pick
Standard Filter
Wall Climbing
Waterline Cleaning
Programmable Weekly Timer
Anti-Tangle Swivel

Explained

Compare Features in Detail

Programmable Weekly Timer

An automatic pool cleaner should be automatic. A programmable weekly timer sets the robot to clean on a schedule — every day, every other day, or a few times a week — without you turning it on and off.

Dolphin T55i includes this

Aquabot X4 does not

Anti-Tangle Cable Swivel

Say goodbye to tangled cords. An anti-tangle swivel lets the robot move 360° around your pool without the cord getting tangled, so you can sit back while it cleans. Learn more ›

Dolphin T55i includes this

Aquabot X4 includes this

Warranty Coverage

A robot is only as good as its warranty. Buying through an Authorized Dealer like Poolbots gets you the full manufacturer warranty — never pro-rated or limited by cleaning cycles — plus a 30-day in-pool trial with no restocking fees. Learn more ›

Dolphin T55i 2-year warranty

Aquabot X4 2-year warranty

Watch

Videos

See the Dolphin T55i and Aquabot X4 in action.

The Details

Specifications

	T55i	X4
Part Number	99996245-WINI	—
Waterline Cleaning	Yes	No
Multi-Media®	No	No
Filters Included	1	1
Filter Cleaning	Top Access	Dual Filter Cartridges
Cleaning Coverage	Floor, Walls and Waterline	Floor, Walls
Cleaning Cycle	1.5, 2 hours	3 hours
Number of Brushes	2	1
Cable Length	60 ft	60ft
Anti-Tangle Swivel	Yes	Yes
Pool Types	In Ground	In Ground
Maximum Pool Size	50 ft	50 ft
Pool Shape	Rectangle, Oval, or Freeform	Rectangle, Oval, or Freeform
Obstacles	Steps, Ladder, Drain Cover, Ledges, Pop-Ups	Steps, Ladder, Drain Cover, Ledges, Pop-Ups
Surface	Gunite, Fiberglass, Vinyl, Liner	Concrete, Plaster, Gunite, Pebble, Tile, Vinyl Liner, Fiberglass
Media-Alert®	No	No
Automated Weekly Timer	Yes	No
Remote Operation	No	No
Restocking Fee	No	No
Warranty	2 Years	2 Years