When it comes to high-end robotic pool cleaners, the Dolphin Nautilus CC Supreme vs Dolphin Sigma are two top-tier choices engineered for in-ground pool owners demanding power, precision, and smart automation.
Both units offer powerful suction, advanced navigation, and smart features—but which one delivers more value and better cleaning performance? In this comprehensive comparison, we evaluate these two flagship models across all key categories to help you make the best choice.
Contents
Differences Between Dolphin Nautilus CC Supreme vs Dolphin Sigma
Below is a summary of the specifications:
Design Comparison
Both the Dolphin Nautilus CC Supreme and Dolphin Sigma are built for in-ground pools up to 50 feet, and each model is equipped with a 60-foot swivel cable to avoid tangling during operation. Their rugged designs ensure efficient movement across the pool floor, walls, and waterline, maintaining strong grip and balance even on slippery surfaces.
The two units are nearly identical in weight—24 lbs for the CC Supreme and 24.6 lbs for the Sigma—and are similarly easy to deploy and retrieve from the pool. They are both engineered with Maytronics’ signature compact form factor for optimal hydrodynamics and portability.
Winner: Tie
Both models are matched in pool size capacity, anti-tangle technology, and weight, making this category a dead heat.
Cleaning Performance Comparison
The Nautilus CC Supreme and Sigma both utilize three active scrubbing brushes, spinning at high speeds to dislodge dirt, algae, and debris from all surfaces. Each unit includes active brush rotation and 4500 GPH suction, ensuring quick debris intake and circulation efficiency.
For filtration, the CC Supreme offers a dual-layer top-load filter system that separates fine and ultra-fine debris in a single housing, allowing users to capture both leaves and silt with minimal effort. The Sigma uses dual top-load cartridge filters, which also capture fine particles well but do not separate debris by type as effectively.
Runtime is slightly more flexible with the CC Supreme, offering 1.5-hour and 2.5-hour cycles, while the Sigma runs a fixed 2.5-hour cycle. This flexibility can save time and energy for lighter cleaning jobs.
Winner: Dolphin Nautilus CC Supreme
While both deliver excellent scrubbing and suction, the CC Supreme’s multi-layer filtration and dual cleaning modes make it the more adaptive and efficient cleaner overall.
Feature Comparison
Both models are Wi-Fi enabled and connect to the MyDolphin Plus App, giving users access to advanced scheduling, remote start/stop, and custom cycle configuration via smartphone. They also both support weekly timers, cycle selection, and status updates.
However, the Nautilus CC Supreme stands out with more intuitive app navigation and faster response times through the mobile interface. The Sigma app interface is slightly less refined in practice, occasionally lagging in command execution.
Both cleaners lack caddy stands out of the box, but are compatible with Maytronics universal caddies sold separately.
Winner: Dolphin Nautilus CC Supreme
Both offer full smart features, but the CC Supreme’s faster, smoother app experience and more responsive controls push it ahead.
Quick Rundown Of Dolphin Nautilus CC Supreme
Quick Rundown Of Dolphin Sigma
Conclusion
Choose Dolphin Nautilus CC Supreme if you want superior flexibility, enhanced filtration separation, and smarter app control. It’s ideal for pool owners who demand fast, powerful cleaning with fine-tuned scheduling and precise dirt handling.
Choose Dolphin Sigma if you need steady, high-capacity cleaning without switching modes, and if you prefer a powerful cleaner that works seamlessly with minimal adjustments.
Overall Winner: Dolphin Nautilus CC Supreme
With its versatile cleaning cycles, multi-layer filtration system, and smoother app control, the Dolphin Nautilus CC Supreme stands out as the more powerful and user-friendly robotic pool cleaner. It delivers exceptional performance and long-term reliability for modern pool owners.