The Dolphin Premier and Dolphin Sigma are both fantastic robotic pool cleaners. By reading through this guide, you will learn which of these two robotic pool cleaners offers what you need.

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Dolphin Premier vs Sigma: Main Features
Dolphin | Premier | Sigma |
Pool Size | Up to 50 Ft | Up to 50 Ft |
Pool Type | In-Ground | In-Ground |
Cleaning Cycle | 3 Hours | 2.5 Hours |
Pool Surface Type | All | All |
The main features these two robotic pool cleaners offer are almost identical. But, the Dolphin Premier takes 3-hours to perform one cleaning cycle, whereas the Dolphin Sigma takes only 2.5-hours.
Dolphin Premier vs Sigma: Filtering
Dolphin | Premier | Sigma |
Filtration | Multi-Layer | Fine, Ultra Fine |
Filter Type | Bag/Cartridge, | Cartridge |
Filter Size | Oversized | Extra Large |
Filter Placement | Bottom-load | Top-load |
The Dolphin Premier uses a multi-layer filter, and the Dolphin Sigma uses a fine/ultra-fine filter. Both work very well. For removing larger quantities of material, the multi-layer filter is often better, but if you need to remove smaller bits of dirt, gunk, and grime, the fine/ultra-fine filter is exceptionally useful.
Dolphin Premier Video
Dolphin Premier vs Sigma: Cleaning
Dolphin | Premier | Sigma |
Cleaning Floor | Yes | Yes |
Cleaning Walls | Yes | Yes |
Cleaning Waterline | Yes | Yes |
Brush Type | Dual Scrubbing | Dual Scrubbing |
Amount | 2 Brushes | 2 Brushes |
Suction Rate | 4500 GPH | 4500 GPH |
Dolphin Sigma Video
The cleaning features these two robotic pool cleaners offer are identical to one another. Regardless of what you need to clean, the process will be easy and efficient.
Dolphin Premier vs Sigma: Smart Features
Dolphin | Premier | Sigma |
Cleaning Frequency | Weekly Scheduler | Weekly Scheduler |
Remote Control | No | No |
Bluetooth / Wi-Fi | No | Yes |
App | No | Yes |
Weekly Timer | Yes | Yes |
Cycle Selector | No | No |
Delay Mode | No | No |
Full Bag Indicator | Yes | No |
Automation Mode | No | No |
Gyroscope | No | Yes |
Drive | Tracks | Tracks |
Cable Length | 60 Ft | 60 Ft |
Tangle-free Swivel | Yes | Yes |
Caddy | No | No |
To use the Dolphin Premier, you will be relying on buttons that are located along the surface of the pool cleaner. To use the Dolphin Sigma, however, you can use your smartphone, making it easier to turn the robotic pool cleaner on and off, while also performing other valuable functions.

Dolphin Premier vs Sigma: Other Specs
Dolphin | Premier | Sigma |
Weight | 22 lbs | 24.6 lbs |
Dimensions | 23 x 19 x 14 in | 23 x 19 x 14 in |
Release/First Seen | Mar, 2016 | May, 2018 |
Price | Check Price | Check Price |
For the most part, the other specs are identical. But, the Dolphin Sigma does weigh a little more, which may make moving it around slightly more challenging.
Conclusion
In the end, the Dolphin Premier and Dolphin Sigma are both fantastic robotic pool cleaners. You will find the same cleaning power and the same level of efficiency. For more convenience, however, the Dolphin Sigma is the best choice, due to smartphone functionality.
Dolphin Premier
https://amzn.to/34LnT6A
Dolphin Sigma
https://amzn.to/2L0DGY7