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Eufy 11+ vs 11S (Slim) vs. 11S Plus vs. 11S Max: Robotic Vacuums

  • Writer: Loredo Litherland
    Loredo Litherland
  • Apr 27, 2021
  • 7 min read

Robot vacuums are, perhaps, the most unique vacuum cleaners available. Every other vacuum cleaner relies on your direct control, but robot vacuums do things completely differently. Instead of relying on you to operate the robot vacuum, control the different features, and access the different features, a robot vacuum simply requires that you press a few buttons, corresponding to your desired vacuuming experience, and then that’s all you need to do.

Eufy Robot vacuums

That’s all you need to do. Robot vacuums are easy-to-use and extremely efficient and useful. Other vacuum cleaners rely on you to control them directly, and to make a variety of cleaning decisions for the vacuum cleaner.

A robot vacuum cleaner uses sensors and software to make cleaning decisions, and oftentimes these cleaning decisions are more efficient than the ones that you would make, due to the strength and efficiency of the sensors and software that are being used.

While robot vacuums aren’t as novel as they once were, they still are a fairly new technology. It wasn’t so long ago that robot vacuums lacked many of the capabilities and functions that they currently offer. And, it wasn’t so long ago that most people saw robot vacuums as nothing more than a vacuum cleaner with an intriguing, but ultimately impractical, a gimmick.

Times have changed. Robot vacuums are some of the best vacuum cleaners available. Plenty of manufacturers is producing great robot vacuums, too.

In this buying guide, you’re going to learn about the Eufy RoboVac 11+, Eufy RoboVac 11S (Slim), the Eufy RoboVac 11S Plus, and the Eufy RoboVac 11S MAX.

You’re going to learn about the unique features and attributes that these robot vacuums offer, and then you’ll be able to determine which robot vacuum is the best one for you.

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What Does The Eufy RoboVac 11+ Offer?

On the bottom of the Eufy RoboVac 11+, there are three brushes. Right in the middle of the robot vacuum, there’s a large rolling brush.

This is the biggest brush and the most efficient brush that is on the robot vacuum. It’s large, and it rolls across the surfaces that you are vacuuming, removing the dirt and dust, and then throwing it into the suction channel that’s right by it.

Eufy RoboVac 11+

To the left, and right, of that main brush, there are two side brushes. These are smaller brushes that gather up chunks of dirt and dust that are located around the robot vacuum. Then, they sweep these chunks of dirt and dust into the main brush, which then throws them into the suction channel.

Eufy Robovac Comparison

RoboVac11S11S+11S MaxMax Suction Power1300 Pa1500Pa2000PaBoostIQ Technology2nd Gen2nd Gen2nd GenDust Collector Capacity0.6L0.6L0.6LNoise Level55dB55dB55dBProduct Height2.85 in2.85 in2.85 inClimbing Threshold0.63 in0.63 in0.63 inBoundary StripsN/AN/AN/ACoverage1-yearN/A1-yearWi-Fi ConnectedN/AN/AN/AWorks with Amazon AlexaN/AN/AN/APriceCheck PriceCheck PriceCheck Price

This cleaning system is incredibly powerful. It works very well and is incredibly efficient and simple. But, what makes it work is the fact that the Eufy RoboVac 11+ gives you a great deal of suction, and this suction power allows this cleaning system to be used on any type of floor.

You can use it on any hard floor – it doesn’t matter if it’s made of stone, wood, marble, etc – and on any soft floor. Rugs and carpets take a little more time, due to the suction needs, but it’s still very easy to vacuum on them and remove dirt and dust that is on those soft surfaces.

Through the use of BoostIQ Technology, the Eufy RoboVac 11+ can adjust the suction power it is using, to accommodate the surface that it is currently vacuuming on. This takes place when the Eufy RoboVac 11plus moves from one surface to another. So, for example, if the Eufy RoboVac 11+ moves from a stone floor to a hardwood floor that is a little dirtier and a little rougher, it will adjust the suction to a higher speed, so that it can properly vacuum on that floor.

To use the Eufy RoboVac 11+, you must use the remote control that Eufy provides. This is a small remote control that gives you access to many different features. Features such as creating a schedule, telling the vacuum to recharge, and allowing you to control the cleaning path of the Eufy RoboVac 11+ manually. Each one of these features is very useful.

Eufy RoboVac 11+ Review

Ultimately, the Eufy RoboVac 11+ is a great robot vacuum! It’s affordable, easy to use, and efficient! If you’re looking for a robot vacuum with those qualities, then the Eufy RoboVac 11+ is a fantastic choice!

What Does The Eufy RoboVac 11S (Slim) Offer?

The Eufy RoboVac 11S (Slim) uses the same basic cleaning system as the Eufy 11+. It also has many of the same features, such as BoostIQ Technology. But, it possesses a couple of key differences that set it apart from the other Eufy robot vacuums.

Eufy RoboVac 11S (Slim)

As the title suggests, this is a slim robot vacuum. Very slim. The Eufy RoboVac 11S (Slim) has no problems going underneath chairs and furniture and vacuuming up the dirt and dust within those spaces. It has no problem moving within small and cramped spaces.

That’s the biggest selling point of the Eufy RoboVac 11S (Slim). If you want a small, slim, and very easy-to-use robot vacuum, then it’s a great choice. But, it doesn’t offer a great deal, when it comes to suction power.

More specifically, the Eufy RoboVac 11S (Slim) gives you 1300Pa of suction power. For hard floors, this is enough, and you aren’t going to have very many issues. But, for soft floors, such as rugs and carpets, the efficiency isn’t quite there. It’s not as efficient, and it takes a lot longer to vacuum on rugs and carpets.

Eufy RoboVac 11S (Slim) Review

Ultimately, if you need a simple robot vacuum cleaner with a decent amount of vacuuming ability, then the Eufy RoboVac 11S (Slim) is a very good choice! It’s not as powerful as other robot vacuums, but it’s fast and easy to use.

What Does The Eufy RoboVac 11S Plus Offer?

The Eufy RoboVac 11S Plus is the newest Eufy robot vacuum. Just like the Eufy RoboVac 11S (Slim), this is a slim and small robot vacuum. It’s the same size as the Eufy RoboVac 11S (Slim), but it does offer more suction power and efficiency.

Through the use of 1500Pa of suction, you can vacuum on any surface. Hard surfaces. Soft surfaces. You have the suction power to vacuum on them with ease. Some rugs and carpets, depending on how thick they are, may present a small challenge, but nothing too difficult.

Due to the size of the Eufy RoboVac 11Splus, it’s more than capable of moving underneath furniture and objects, and into a variety of different spaces.

Ultimately, if you want a very efficient, nice and small, versatile, and affordable robot vacuum, the Eufy RoboVac 11S Plus is an excellent choice!



What Does The Eufy RoboVac 11S MAX Offer?

The Eufy RoboVac 11S MAX is a slim robot vacuum with the same size as the Eufy RoboVac 11S Plus. It offers the same basic features that the Eufy RoboVac 11Splus offers, such as BoostIQ Technology and remote control that gives you access to all of the basic features, but there’s one big difference.

Eufy RoboVac 11S MAX

The Eufy RoboVac 11S MAX is a very efficient robot vacuum. It gives you 2000Pa of suction. Using this 2000Pa of suction, you aren’t going to have any problems vacuuming on a wide variety of different surfaces. It doesn’t matter if it’s a hard or soft floor, you can vacuum on it.

When you combine this fantastic suction power with the size, you get a robot vacuum that is incredibly convenient and very efficient, and powerful.

If you want power and convenience, all in an affordable package, then the Eufy RoboVac 11S MAX is a fantastic choice!



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Empties on its own - you don’t have to think about vacuuming for months at a time. Clean Base Automatic Dirt Disposal with AllergenLock bag holds 60 days of dirt, dust and hair. Intelligently maps and cleans an entire level of your home.

The Roborock S7 can vacuum and mop, and does an excellent job at both. It's also the company's most powerful vacuum yet, with 2,500Pa of suction. Roborock S7 robot vacuum mops with the power of sound, scrubbing up to 3,000 times per minute.

The Shark AV1010AE IQ is one of the least expensive robot vacuum with self-empty base. The bagless, self-emptying base holds up to 30 days of dirt and debris. Easily start cleaning with Google Assistant, Alexa, or one tap in the app.

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Roomba i4+

Empties on its own - you don’t have to think about vacuuming for months at a time. Clean Base Automatic Dirt Disposal with AllergenLock bag holds 60 days of dirt, dust and hair. Intelligently maps and cleans an entire level of your home.

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Roborock S7

The Roborock S7 can vacuum and mop, and does an excellent job at both. It's also the company's most powerful vacuum yet, with 2,500Pa of suction. Roborock S7 robot vacuum mops with the power of sound, scrubbing up to 3,000 times per minute.

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Shark AV1010AE IQ

The Shark AV1010AE IQ is one of the least expensive robot vacuum with self-empty base. The bagless, self-emptying base holds up to 30 days of dirt and debris. Easily start cleaning with Google Assistant, Alexa, or one tap in the app.

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