Eufy 11S vs 11S Max: Is the Upgrade Worth It? A Comprehensive Comparison

By Elisabeth Christ
Updated August 2024

Eufy 11S vs 11S Max

When it comes to maintaining a clean and tidy home, the Eufy 11S and 11S Max stand out as reliable and user-friendly robot vacuums. These models share many similarities in design and functionality, making them popular choices for those looking to automate their cleaning routines. However, as close as they may seem, their differences could play a crucial role in determining which vacuum is the better fit for your specific needs. Whether you prioritize a slimmer profile, enhanced suction power, or smarter navigation, this comparison will guide you through the key aspects to consider.

Key Takeaways

The Eufy 11S and 11S Max, priced at $219.99 and $249 respectively, both feature a slim 2.8-inch design, though the Max offers a stronger 2000Pa suction compared to the 11S's 1300Pa. The 11S Max also has slightly more advanced navigation sensors, operating at up to 65dB, whereas the 11S operates at a quieter 60dB. Battery life is competitive, with the 11S offering up to 100 minutes and the 11S Max extending to around 120 minutes on a full charge. Both models utilize BoostIQ technology and a 0.6-liter dustbin but differ slightly in noise levels and cleaning efficiency.

Eufy 11S vs 11S Max
Eufy RoboVac 11S

Eufy RoboVac 11S

Robot Vacuum That is Ideal For Homes With Low-Clearance Furniture

✓ BoostIQ mode
✓ 3 power levels of vacuuming
✓ 0.6-litre dust canister
✓ Compact charging station

Eufy RoboVac 11S Max

Eufy RoboVac 11S Max

Simple Robot Vacuum with Sufficient Suction Power

✓ 2000Pa suction power
✓ 3-Point Cleaning System
✓ 65dB maximum noise level
✓ Up to 120 minutes of operation

#1 Price & Design

Eufy RoboVac 11S

Eufy RoboVac 11S

When it comes to price and design, the Eufy 11S and 11S Max share a lot of similarities, yet there are subtle differences that might sway your choice. Priced at $219.99, the Eufy 11S is slightly more budget-friendly than the 11S Max, which comes in at $249. While both models sport a slim and sleek design that makes them easy to slide under furniture, the 11S is marginally slimmer at 2.8 inches tall compared to the 11S Max’s 2.85 inches. This difference, though minute, could be just enough to allow the 11S to access those tighter spaces. 

Both vacuums feature a sleek tempered black glass surface, giving them a modern aesthetic, and come with compact charging stations. However, the 11S includes a 0.6-liter dust canister, a feature that is echoed in the 11S Max, making them equally capable of holding a decent amount of debris before needing to be emptied. Their designs emphasize practicality with a single button on top for quick activation and additional remote control options for more detailed settings. While the 11S comes with a slightly lighter body at 2.6 kg, the 11S Max compensates with a sturdier feel, including a full suite of accessories like extra filters, side brushes, and cable ties.

#2 Vacuuming Performance

Eufy RoboVac 11S Max

Eufy RoboVac 11S Max

In terms of vacuuming performance, the Eufy 11S and 11S Max demonstrate distinct capabilities that cater to different cleaning needs. The 11S, with its 1300Pa suction power, is sufficient for general household cleaning, particularly excelling on hard floors where it effectively picks up fine dust and larger debris. It’s equipped with the BoostIQ mode, which automatically adjusts suction power when transitioning from hard floors to carpets, though it might struggle with medium to thick carpets. On the other hand, the 11S Max steps up the game with a stronger 2000Pa suction power, making it more adept at handling carpets and tougher dirt, yet maintaining the versatility of the BoostIQ mode for seamless transitions between surfaces.

Both models utilize a 3-Point Cleaning System, though the Max takes a slight edge with its three brushes that are designed to work more effectively. While the 11S’s cleaning pattern can sometimes appear inconsistent, the 11S Max’s advanced sensors provide a more refined approach, even if the bounce navigation technology still relies on a bit of randomness. Noise levels for both remain relatively low, with the 11S Max only slightly louder on carpets, but neither will disrupt your home’s tranquility.

#3 Features

Eufy RoboVac 11S

Eufy RoboVac 11S

Feature-wise, the Eufy 11S and 11S Max are quite similar but with some critical distinctions that may influence your choice. Both models are equipped with Eufy’s signature BoostIQ technology, allowing them to switch between power modes automatically, depending on the type of floor they encounter. The 11S offers three power levels—Standard, BoostIQ, and Max—with its 1300Pa suction providing sufficient force for most tasks. The 11S Max, however, ups the ante with 2000Pa suction power, making it more capable of tackling stubborn dirt and carpets. 

Eufy RoboVac 11S Max

Eufy RoboVac 11S Max

They both include five cleaning modes—Auto, Spot, Edge, Single Room, and Manual—giving you the flexibility to customize your cleaning schedule. However, the 11S Max includes enhanced anti-collision sensors, which improve its ability to navigate around obstacles, making it a bit more reliable in cluttered spaces. Both models lack Wi-Fi connectivity and instead rely on remote controls for operation, which could be seen as a more straightforward, user-friendly approach. Yet, the 11S Max adds a bit more refinement with slightly improved navigation and a more powerful motor, though the core features remain consistent between the two models.

#4 Battery Life & Connectivity

Eufy RoboVac 11S

Eufy RoboVac 11S

In the realm of battery life and connectivity, the Eufy 11S and 11S Max both offer solid performance, yet there are nuances that set them apart. The 11S boasts up to 100 minutes of cleaning on a single charge, which is more than adequate for most small to medium-sized homes. It also features a smart return function that ensures it automatically heads back to its charging station when the battery is low, preventing any interruptions during your cleaning sessions. 

The 11S Max, while closely matching the 11S with up to 120 minutes of battery life, edges out slightly by being more efficient in its power usage, thanks to its optimized BoostIQ mode. Both models require about five hours to fully recharge, making overnight charging a convenient option. Connectivity-wise, neither model offers Wi-Fi integration, relying instead on a simple, no-fuss remote control to handle all commands, from scheduling to manual direction adjustments. This could be seen as a benefit for those who prefer a more direct, hands-on approach without the complexities of app connectivity. The 11S Max, while slightly more advanced in its overall operation, mirrors the straightforward and reliable connectivity of the 11S, making them both excellent choices for those who value simplicity and effectiveness in their cleaning routines.

Eufy 11S vs 11S Max

Final Thoughts

Eufy 11S vs 11S Max

Eufy 11S vs 11S Max

Choosing between the Eufy 11S and 11S Max ultimately depends on your home’s specific cleaning demands and your preferences for power and efficiency. If your home has mostly hard floors with occasional carpets, the 11S might be more than enough to meet your needs. However, if you require a bit more suction power for deeper carpet cleaning or have a slightly larger space, the 11S Max could provide the extra boost you need.

If you like to read more about Robot Vacuum Cleaners, check out our other relevant guides here:

Ecovacs Deebot T20 vs X2

Ecovacs Deebot T20 Omni vs Roborock S8 Pro Ultra

Ecovacs Deebot X2 Omni vs Roborock S8 Pro Ultra

Roborock S7 vs S8 Pro Ultra

Roomba I3 vs I4

Roborock Q8 vs S8

Roborock QRevo vs S8

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