The best robot vacuum under $400 helps to keep the entire place clean at a budget-friendly cost. A robot vacuum makes it a lot easier to scrub the entire house.
You can make your place neat and tidy with the help of a quality robot vacuum. However, not all robot vacuums give the same high-end performance, so you need to be careful while shopping for it.
In addition, the cost of a top-notch robot vacuum is usually higher, so people on a budget find it hard to get a better-quality robot vacuum.
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But you do not need to worry because I am here to help you locate the best robot vacuum. Below are the 15 best robot vacuum under $400 that you should try because of their better performance and high-end features.
How Does Robot Vacuum Work?
The working of a robot vacuum is quite similar. It takes support from spinning brushes and wheels to complete the cleaning task.
The spinning brushes manage the dirt while the machine sucks the dirt and takes it into the dust box. Further, the wheels help the robot vacuum to move automatically without demanding any manual effort.
Most of the premium robot vacuum has sensors that navigate the home and clean it automatically. Besides, some of the robot vacuums have additional features that make the cleaning task further convenient.
What Are The Best Robot Vacuums Under $400?
Eufy RoboVac 11S, iRobot Roomba 891 and iRobot Roomba 675 are the three best robot vacuum under $400. All these robot vacuums have a durable run time with higher dust box capacity.
Besides, you may locate a variety of useful features in these robot vacuums. Below are some other robot vacuums and their features.
- Best Overall: Eufy RoboVac 11S Robot Vacuum
“Powerful suction, noise-free operation and higher vacuuming strength.” - Best Budget: iRobot Roomba 891 Robot Vacuum
“Longer battery life, support Alexa and Google Assistant voice.” - Best for Carpets: iRobot Roomba 675 Robot Vacuum
“Include advanced sensor technology; work well on carpets and hard floors.” - Best for Hard Floors: Eufy RoboVac 30C Robot Vacuum
“A higher degree of suction power, offer high-performance filters.” - Best with High Dust Box Capacity: Neato Botvac D3 Robot Vacuum
“Has a laser smart technology, work will all smart devices, offers thorough cleaning.” - Best for Dog Hair: Amarey A980 Robot Vacuum
“Super quiet operation, also comes with a self-charging option.” - Best for Stairs: Aposen Robot Vacuum
“Anti-Collision Technology, Hold a drop sensor monitor that prevents it from falling from stairs.” - Best with Filters: iRobot Roomba 960 Robot Vacuum
“Offer dual rubber brushes for a better and quick cleaning outcome.” - Best with High Suction Power: Samsung R7040 Robot Vacuum
“Offer a top-class suction level, suitable for tough stains and debris.” - Best with Alexa: Ilife A9 Robot Vacuum
“Suitable efficiency, better performance and moderate suction strength.” - Best with Mop: Roborock E35 Robot Vacuum
“Contain multiple cleaning modes, including mop for better cleaning.” - Best with Wet-Dry Mopping: Coredy R500+ Robot Vacuum
“Supports wet-dry mopping functionality, deliver higher cleaning results.” - Best for Pet Hair: Proscenic M7 Pro Robot Vacuum
“Deliver high suction power, have better run-time, long-lasting unit.” - Best Design: 360 S5 Robot Vacuum
“Beautiful design, include a laser mapping technology for effective performance.” - Best for Medium-Pile Floor: IMartine C800 Robot Vacuum
“Automatic self-charging functionality, super-thin mode with quiet operation.”
Best Robot Vacuum Under $400 Comparison Chart
In this comparison chart, I have given a quick breakdown of some vital features of each robot vacuum. Here, you can get a side-by-side comparison of all the robot vacuums.
Top 15 Best Robot Vacuum Under $400 Reviews 2021
In this section, you will learn about the features, performance, pros as well as cons of each of the individual robot vacuum.
1. Eufy RoboVac 11S Robot Vacuum
(Best Overall)
Eufy RoboVac 11S is an ultra-slim vacuum with many high-end features. It appears in the market with 5.73 pounds of weight.
The 11S Robot Vacuum has a mighty suction power of around 1300Pa. Thanks to this higher suction power that helps the machine to suck dust and dirt with no effort.
Further, it has large wheels that keep the device in motion. It has a drop-sensing technology, which makes the robot cleaner to automatic handle the obstacles.
Moreover, the built-in dust box with the Eufy RoboVac 11S can capture 0.6-litre debris. The triple-filter system of this product makes sure not to leave even a single dust particle.
It has multiple cleaning modes that offer automatic cleaning. Like other high-end robot vacuums, the Eufy RoboVac 11S also has a greater run time. The run time of the RoboVac 11S model is 100 minutes.
Pros
- Self-charging functionality
- High-performance filter
- Strong suction power
- BoostIQ technology
- Quiet operation
Cons
- Do not work with Alexa
- No Wi-Fi connection
Product Specifications
| Noise Level | 55dB |
| Color | Black/White |
| Dimensions | 12.8 x 12.8 x 2.85 inches |
| Warranty | 1 year |
| Brand | Eufy |
Check out the video to get more details:
2. iRobot Roomba 891 Robot Vacuum
(Best Budget)
If you desire a robot vacuum that works well with both Alexa and Google Assistant, then you should try the iRobot Roomba 891 Vacuum.
This 891 model can effortlessly go to hard-to-reach areas. With this 891 vacuum, you will obtain multi-surface brushes that work on multiple types of floors.
Further, the brushes have a greater level of flexibility. It includes dirt-detect sensors that easily identify the dust and debris. Besides, the automatic docking and recharging is another great option to look in the iRobot 891 Vacuum.
This vacuum also supports Wi-Fi connectivity, so you can connect it with your smartphone and control it with a few button touches.
Because of the auto-adjust head, you do not need to put much manual effort in the working of this device. Besides, the iRobot Roomba 891 can work on both hard floors and carpets.
Pros
- Suitable for hard floors and carpets
- Auto-Adjust cleaning head
- Dual rubber brushes
- Dirt detect sensors
- Wi-Fi connectivity
Cons
- May require recharging after a short time
- Moderate run time
Product Specifications
| Noise Level | 60dB |
| Color | Black |
| Dimensions | 13.9 x 13.9 x 3.59 inches |
| Warranty | 1 year |
| Brand | iRobot |
Check out the video to get more details:
3. iRobot Roomba 675 Robot Vacuum
(Best for Carpets)
Whether you wish to clean carpets or hard floors, you should prefer the iRobot Roomba 675 Robot Vacuum because it can effectively handle dust and debris on hard-floors as well as carpets.
The iRobot Vacuum has a slim shape design with smart cleaning technology. With the Roomba 675 model, you can schedule the cleaning process. Moreover, it includes multi-surface brushes that remove dirt, dust, and debris within a short time.
Not only this but also the iRobot Vacuum additionally takes support from the edge-sweeping brush to deal with the impurities present in edges and corners.
The advanced sensor technology of this machine offers a superior level of navigation. Another great thing about the iRobot Roomba 675 Vacuum is that it has an auto-adjust head. This auto-adjust head adjusts the height of the cleaner as per the need.
Pros
- Advanced sensor technology
- Allow customized schedule
- Multi-surface brushes
- Automatic recharging
- Auto adjust head
Cons
- Do not have an anti-allergen system
- Cost is high
Product Specifications
| Noise Level | 62dB |
| Color | Black |
| Dimensions | 13.4 x 13.4 x 3.54 inches |
| Warranty | 1 year |
| Brand | iRobot |
Check out the video to get more details:
4. Eufy RoboVac 30C Robot Vacuum
(Best for Hard Floors)
RoboVac 30C is another popular robot vacuum by the Eufy brand. The design of RoboVac 30C is much like the other models by Eufy, but there is a slight difference in features.
Unlike many other vacuums, the RoboVac 30C introduces the Wi-Fi functionality. You can operate the device utilizing the EufyHome app with a single button touch.
Further, this robot vacuum allows setting boundary strips. You can set a particular area within which you what this robot vacuum to operate.
Additionally, it has a strong suction power of 1500Pa that provides worry-free cleaning. It also introduces a brushless motor that makes the machine work silently.
Apart from the quiet operation, the Eufy RoboVac 30C Vacuum also has anti-collision sensors. These anti-collision sensors detect and avoid obstacles. However, you should avoid using the RoboVac 30C model on high-pile carpets.
Pros
- Offer a non-stop cleaning
- Drop-sensing technology
- Strong suction power
- Dual-hall sensors
- Wi-Fi option
Cons
- Not for high-pile carpets
- Expensive
Product Specifications
| Noise Level | 55dB |
| Color | Black |
| Dimensions | 12.79 x 12.79 x 2.85 inches |
| Warranty | 1 year |
| Brand | Eufy |
5. Neato Botvac D3 Robot Vacuum
(Best with High Dust Box Capacity)
Are you searching for a robot vacuum that has a better navigation system? If yes, then try the Neato Botvac D3 Robot Vacuum.
The Neato Botvac D3 machine has a run time of 60 minutes, which is enough to clean small places in a single charge. However, this run time is quite low for large places.
Moreover, it arrives with Wi-Fi connectivity that you can use to connect the D3 Vacuum with your smartphone. The durable brush available in the Neato Botvac D3 model offers a tangle-free experience.
Besides, the addition of large core brush delivers clean results. The Neato Botvac D3 Vacuum automatically returns to the charging dock whenever the charging is low.
The Neato brand includes a user guide with the D3 Vacuum, so beginners can easily learn how to operate it. A single year of warranty is also available with the Neato Botvac D3 Robot Vacuum.
Pros
- Scheduled cleaning option
- Unique D-shape design
- Work with smart devices
- Wi-Fi connection
- Lightweight
Cons
- Not for large places
- Low run time
Product Specifications
| Noise Level | 64 dB |
| Color | Grey/Black/White |
| Dimensions | 12.7 x 3.9 x 13.2 inches |
| Warranty | 1 year |
| Brand | Neato Robotics |
Check out the video to get more details:
6. Amarey A980 Robot Vacuum
(Best for Dog Hair)
The Amarey A980 model is a durable vacuum with Wi-Fi connectivity. The suction power of Amarey A980 unit is also of top-quality.
1400Pa is the suction power of this machine, which can comfortably suck dust, debris and hair. Because of a slim shape, the Amarey A980 model can even go under sofas and beds.
Further, you can handle this device via Alexa as well as an Amarey app. With the help of Amarey app, you can control the cleaning direction with a single touch of a button.
Besides, it has an anti-scratch that offer additional protection to the device. Additionally, it has a boundary strip that you can use to set a particular area for cleaning.
Amarey A980 has a run time of 120 minutes, which is possible because of the strong battery. It also presents scheduling as well as no-go zone setting.
Pros
- No-go zone functionality
- Automatic recharging
- Anti-scratch cover
- Auto-adjust option
- Easy navigation
Cons
- Fewer options
- High priced
Product Specifications
| Noise Level | 60dB |
| Color | Black |
| Dimensions | 16.7 x 14.8 x 4.2 inches |
| Warranty | No |
| Brand | Amarey |
7. Aposen Robot Vacuum
(Best for Stairs)
Aposen Robot Vacuum can easily clean dust from both carpets and hard floors. It has a slim shape and an elegant design.
The 1800Pa powerful suction of Aposen Vacuum can eliminate crumbs, dust and hair from carpets and hard floors.
With the Aposen Vacuum, you will obtain a 2500mAh lithium battery that renders a run time of 110 minutes. Moreover, the FreeMove technology of this product allows random cleaning.
The intelligent cleaning system avoids interruption while cleaning. Another premium feature in the Aposen Robot Vacuum is that it has noiseless working.
Besides, this machine offers both manual and auto cleaning options. The remote control presents a comfortable operation. Additionally, the Aposen Vacuum includes a charging base, filters and a side brush.
Further, it has a drop sensor monitor that detects the stairs and avoids it from any damage. The triple-filter system of this product cleans even small dust and debris particles.
Pros
- Anti-collision technology
- High battery capacity
- Automatic recharging
- Drop sensors monitor
- High performing filters
Cons
- Normal battery life
- A bit heavyweight
Product Specifications
| Noise Level | 70dB |
| Color | Black |
| Dimensions | 17 x 13.5 x 4.5 inches |
| Warranty | 2 years |
| Brand | Aposen |
8. iRobot Roomba 960 Robot Vacuum
(Best with Filters)
The iRobot Roomba 960 Robot Vacuum The iRobot Roomba 960 has a strong suction strength, which is five times more than the previous models of iRobot brand.
This iRobot Vacuum can quickly remove dust from carpets and hardwood floors. Further, the high-efficiency filter system contributes a strong filtering power.
The high-end navigation system of Roomba 960 model offers a logical cleaning. Moreover, it includes floor tracking sensors that track the stains present on the floor.
Besides, you will receive multi-surface rubber brushes with this model. These dual rubber brushes can easily handle pet hair, debris and other impurities.
You can also adjust the brushes as per your wish. Further, the Roomba 960 appears with the personalized schedules option. Because of the personalized schedules, you can set the timer of the vacuum as per the need.
Not only this but also the iRobot Roomba 960 includes a user manual through which you will learn how to operate the vacuum.
Pros
- Better navigation system
- Wi-Fi Connectivity
- Dirt detect sensors
- Dual brushes
- Lightweight
Cons
- Moderate run time
- Simple design
Product Specifications
| Noise Level | 65dB |
| Color | Black |
| Dimensions | 13.8 x 13.8 x 3.6 inches |
| Warranty | 1 year |
| Brand | iRobot |
9. Samsung R7040 Robot Vacuum
(Best with High Suction Power)
Samsung R7040 is another exceptional product in the list of best robot vacuum under $400. Unlike many other budget-friendly vacuums, the suction power of Goovi F007C is quite high.
3510Pa is the suction strength of the Samsung R7040 model. This high suction power can even eradicate stubborn debris. Besides, this machine supports multiple floor types such as carpets and hard floors.
Not only floors and carpets but also the Goovi F007C can remove debris from blankets as well. 0.3L is the capacity of the dust box that you will get with Samsung R7040 model.
In addition, it has a multi-room navigation system that supports the cleaning of large rooms. The combo brush of this product is also of high-end quality.
However, with the Samsung R7040, you will not receive magnetic boundary strips. In addition, operating the F007C product is much easier because of the remote control option.
Pros
- FullView sensor 2.0 technology
- Allow Multi-room navigation
- Support Wi-Fi connectivity
- Higher suction power
- Easy to operate
Cons
- No magnetic boundary tape
- Small dust box
Product Specifications
| Noise Level | N/A |
| Color | Grey |
| Dimensions | 13.7 x 13.4 x 3.8 inches |
| Warranty | 1 year |
| Brand | Samsung |
10. Ilife A9 Robot Vacuum
(Best with Alexa)
In case you desire a robot vacuum with mapping and Wi-Fi functionality, then you should prefer the Ilife A9 Vacuum. The built-in smart navigation system present in the A9 model offers higher efficiency.
Moreover, you can easily operate this A9 Robot Vacuum with the help of the Wi-Fi connection. You can connect Ilife A9 with your mobile phone and operate it using the Ilife app.
The cellular dustbin of this product delivers more storage for dust and debris. Further, electrowall technology ensures to clean only the recommended area.
The Ilife A9 Vacuum has four cleaning modes including path, spot, max and edges. Thanks to the I-voice Assistant functionality that permits the user to control the machine with voice.
On buying the A9 Vacuum, you will obtain a charging dock, filter, brushes and a user manual. In addition, the Ilife brand includes a warranty of one year with the V9 model.
Pros
- I-voice assistant function
- Smart navigation system
- Enhanced movement
- ElectroWall technology
- Wi-Fi connectivity
Cons
- Lower run time in max cleaning mode
- Pricy
Product Specifications
| Noise Level | 60dB |
| Color | Black |
| Dimensions | 12.99 x 12.6 x 2.99 inches |
| Warranty | 1 year |
| Brand | Ilife |
11. Roborock E35 Robot Vacuum
(Best with Mop)
When it comes to high suction power, it is hard to compete with the Roborock E35 Robot Vacuum. The E35 Vacuum has a suction strength of 2000Pa that can handle dust, dirt and debris from hard floors and carpets.
Further, it presents the app control option. With the support of Mi Home App, users can command the E35 Vacuum.
The Mi Home App empowers the users to charge, move, customize and schedule the robot vacuum. In contrast to other robot Vacuums, the Roborock E35 has a large battery capacity.
The 5200mAh battery of this product allows a continuous cleaning of 2.5 hours. Moreover, the intelligent movement of the E35 model avoids bumping. It is one of the best robot vacuum with mop.
It has a dual-gyro system that delivers an effective cleaning outcome. The Roborock E35 Vacuum holds a vast number of sensors for better performance. Besides, the filters added in this machine are washable.
Pros
- Large battery capacity
- App control function
- Dual-gyro system
- Higher run time
- Multiple sensors
Cons
- Traditional design
- High-priced
Product Specifications
| Noise Level | 60dB |
| Color | Silver |
| Dimensions | 13.7 x 13.8 x 3.6 inches |
| Warranty | 1 year |
| Brand | Roborock |
Check out the video to get more details:
12. Coredy R500+ Robot Vacuum
(Best with Wet-Dry Mopping)
Coredy R500+ Robot Vacuum makes it effortless to execute cleaning jobs even at hard to reach areas. It has a wet-dry mopping functionality that contributes to comprehensive cleaning performance.
Further, the anti-collision option of the Coredy R500+ model avoids crashes. It also has an anti-drop sensor, which assists in cleaning stairs without falling.
You will enjoy five cleaning modes such as spot, edge, max, single room and manual cleaning, with this vacuum. Besides, this wireless vacuum introduces dual-hall sensors for an effective outcome.
120 minutes is the run time of the R500+ model while it has a suction power of 1400Pa. The charging dock of Coredy R500+ allows a super-fast charging.
It also has an auto-adjust head that helps the R500+ Vacuum to move effortlessly. Besides, it has a climbing threshold of 0.64inch.
Pros
- Virtual boundary compatible
- Wet-Dry mopping function
- High capacity battery
- Super quiet operation
- Self-charging
Cons
- Do not work with Alexa
- No Wi-Fi compatibility
Product Specifications
| Noise Level | 45-65dB |
| Color | Black |
| Dimensions | 12.6 x 2.76 x 12.6 inches |
| Warranty | 1 year |
| Brand | Coredy |
13. Proscenic M7 Pro Robot Vacuum
(Best for Pet Hair)
Proscenic M7 Vacuum is an ideal solution for deep cleaning. It appears with an advanced laser technology that can produce a real-time map.
In addition, the motor present in the Proscenic M7 Vacuum delivers an ultra-quiet cleaning. Further, 2700Pa is the suction power of Proscenic M7.
Besides, the M7 model has a run time of 270 minutes, which will help you to clean large homes quite easily. It has a vast range of sensors that deliver top performance while cleaning.
Around 24 sensors are available in the M7 vacuum that supports complex cleaning. Thanks to the v-shaped roller brush that support uneven surfaces.
Further, you can use the Proscenic M7 on multiple floors because of the built-in roller brush. You will additionally get a remote control option with the M7 Vacuum.
Besides, you can easily remove pet hair and food fragments using this vacuum. This M7 unit is among the top-rated robot vacuum for pet hair.
Pros
- Advanced laser sensor
- Higher suction power
- Zone cleaning option
- Long battery life
- High run time
Cons
- Require more time to recharge
- Less water tank capacity
Product Specifications
| Noise Level | 72dB |
| Color | Black |
| Dimensions | 13.65 x 13.65 x 3.8 inches |
| Warranty | 1 year |
| Brand | Proscenic |
14. 360 S5 Robot Vacuum
(Best Design)
In case you require a pet-friendly robot vacuum that can even deal with pet hair and food particles, then try the 360 S5 Robot Vacuum.
The 360 S5 model has a beautiful white shade, which looks great on this product. Besides, it presents a stronger suction power of 2200Pa.
The suction power of the 360 S5 Robot Vacuum is relatively higher in comparison to other robot vacuums. Further, it has laser-mapping technology that enables safe cleaning.
The self-charging option of this robot vacuum makes the charging task effortless. Moreover, the 360 S5 models can quickly move on hard floors and low-pile carpet.
With the 360 S5 unit, you will access multiple cleaning modes. The anti-drop sensors of this 360 S5 product avoid it from falling. 580mL is the dustbin capacity of the 360 S5 device that is suitable for moderate places.
Pros
- Laser mapping technology
- Include scheduling option
- Self-charging functionality
- No-go zones option
- Work with Alexa
Cons
- Do not include a remote
- Moderate run time
Product Specifications
| Noise Level | 65dB |
| Color | White |
| Dimensions | 13.78 x 13.78 x 3.94 inches |
| Warranty | 1 year |
| Brand | 360 |
15. IMartine C800 Robot Vacuum
(Best for Medium-Pile Floor)
IMartine C800 is another robot vacuum to consider for people who are on a budget. Even though the cost of C800 Vacuum is low, it still holds high-end functionalities.
The C800 Vacuum is an ultra-quiet product with the run time of 120 minutes. Apart from the run time, the suction power of the C800 model is also higher, which is 1600Pa.
Besides, this machine offers a hard floor to medium-pile carpet coverage. The remote of the C800 Vacuum makes it easy to operate. Further, the filter has higher flexibility and is washable.
It additionally holds 360°anti-collision sensors that avoid the collision. However, within 5 hours, you can fully recharge this robot vacuum.
Moreover, the IMartine C800 model is a lightweight and environment-friendly solution to clean your place. With the C800 unit, you will obtain side brush, main brush, remote control and a charging dock.
Pros
- 360°anti-collision sensors
- Smart vacuum technology
- Washable dustbin
- Long battery life
- Quiet operation
Cons
- Require more time to recharge
- Simple shape
Product Specifications
| Noise Level | 58dB |
| Color | Black |
| Dimensions | 12.7 x 12.7 x 2.7 inches |
| Warranty | 1 year |
| Brand | IMartine |
Check out the video to get more details:
Best Robot Vacuum Under $400 – Buyer’s Guide
There are a few major factors to consider while shopping for the best robot vacuum under $400. Most beginners ignore such factors because of a lack of knowledge.
Therefore, to help newcomers, I have added all the critical factors to look at while buying the robot vacuum under $400.
Suction Power
Suction power is the first thing that you should focus on while purchasing a high-quality robot vacuum.
Higher suction power means that it can absorb stubborn debris easily. So always, go for a robot vacuum, which has a higher suction power.
Most of the robot vacuum under $400 comes with a suction power of 1400pa that can conveniently remove debris and dust. However, if you locate a vacuum with higher suction power, then you should prefer it.
Cleaning Modes
Each vacuum may have a different number of cleaning modes. You should always prefer the robot vacuum that has multiple modes in it.
Make sure that the vacuum you are choosing has both the manual and auto mode in it. More modes will help you get a better and convenient cleaning outcome.
Run Time
Run time is the amount of time the vacuum will run on a single charge. Greater runtime means that the vacuum will work for more minutes per charge.
So always, prefer a robot vacuum with higher run time. The run time of 100-120 minutes is fine for small and medium-sized homes.
However, if you have a large house, then you may require recharging the vacuum again to clean your entire place.
Sensor Navigation System
If you desire an effortless cleaning performance, then ensure to check the navigation system of the robot vacuum.
The sensor will make it easier for the robot vacuum to move without bumping. Therefore, check the sensor navigation system of the robot vacuum before investing in it.
Dust Bin Capacity
A vacuum with a higher dustbin capacity can store more debris and dust. You will need to empty the higher capacity dustbin less often, which is the top reason that you should also go for a dustbin with a greater storage capacity.
You can decide which dustbin to choose by looking at the area that you want to clean. Large area with more dirt will require a higher dustbin to store it.
FAQs
Following are the frequent questions about the best robot vacuum under $400.
My Top Pick
Each reviewed robot vacuum in this article is of top-quality. However, I would suggest you the Eufy RoboVac 11S Robot Vacuum because of its features at a budget-friendly cost.
You will receive suitable suction power, dust box capacity and run time with the 11S Robot Vacuum. Let us know in the comment section which robot vacuum you like the most and do not forget to like and share.