Dolphin Nautilus CC vs ECOVACS Ultramarine P1 (2026)

Updated September 2026

Data from Amazon and official Dolphin and Ecovacs sites.

2026 verdict

ECOVACS Ultramarine P1 has the better all-around case than Dolphin Nautilus CC in 2026, starting with price, navigation, and cordless.

Winner

ECOVACS Ultramarine P1

$299.00$499.9940% OFF

Buy on Amazon USA

The main reason it wins is price, navigation, and cordless, and connectivity strengthens that case. Dolphin Nautilus CC can still be the right pick, but only if rating outweighs the wider strengths of ECOVACS Ultramarine P1. That is enough to make ECOVACS Ultramarine P1 the better pick for most buyers.

Dolphin

Dolphin Nautilus CC

$699.00

Buy on Amazon USA

Winner

Ecovacs

ECOVACS Ultramarine P1

40% OFF

$299.00

$499.99

Buy on Amazon USA

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Feature	Dolphin Nautilus CC	ECOVACS Ultramarine P1	Winner
Price	$699.00	$299.00	ECOVACS Ultramarine P1
Rating	4.1	3.7	Dolphin Nautilus CC
Navigation	None	Obstacle Avoidance	ECOVACS Ultramarine P1
Cordless	NO	YES	ECOVACS Ultramarine P1
Connectivity	None	2.4 GHz WiFi	ECOVACS Ultramarine P1
Pool Compatibility	In-Ground Pools, Above-Ground Pools	In-Ground Pools, Above-Ground Pools	Tie
Cleaning Coverage	Floor Cleaning, Wall Cleaning	Floor Cleaning, Wall Cleaning	Tie
Solar Charging	NO	NO	Tie

Dolphin

Dolphin Nautilus CC

$699.00

Buy on Amazon USA

+ Rating: 4.1
- Price: $699.00 vs $299.00
- Navigation: None vs Obstacle Avoidance

Winner

Ecovacs

ECOVACS Ultramarine P1

40% OFF

$299.00

$499.99

Buy on Amazon USA

+ Price: $299.00
+ Navigation: Obstacle Avoidance
+ Cordless: YES
- Rating: 3.7 vs 4.1

Frequently Asked Questions

Which is better overall: Dolphin Nautilus CC or ECOVACS Ultramarine P1?

ECOVACS Ultramarine P1 has the stronger overall profile in this comparison, especially for price, navigation, and cordless.

What is the biggest difference between Dolphin Nautilus CC and ECOVACS Ultramarine P1?

Price is one of the clearest differences: Dolphin Nautilus CC lists $699.00, while ECOVACS Ultramarine P1 lists $299.00.

Which one looks better on price?

Dolphin Nautilus CC is listed at $699.00, while ECOVACS Ultramarine P1 is listed at $299.00. ECOVACS Ultramarine P1 (better spec).

Who should buy Dolphin Nautilus CC?

Choose Dolphin Nautilus CC if your priority is rating and that matters more than price.

Who should buy ECOVACS Ultramarine P1?

Choose ECOVACS Ultramarine P1 if your priority is price and navigation and that matters more than rating.

Full comparison table

Compare all 10 Robotic Pool Cleaners side by side

You are looking at two of them. The full table lines up all Robotic Pool Cleaners in the catalog with the same specs, so you can filter by what you need and sort by price or rating.