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Roborock S8 vs S7: Which Robot Vacuum is Right for You?

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Hey there, welcome back! Today, I want to talk about the differences between the Roborock S8 vs S7 models. These two models have been around for a while now, and I think it’s important to understand their features before making a purchase decision.

Key Takeaways

  • The Roborock S8 has an optical sensor that can detect smaller obstacles compared to the S7

  • The S8 has a higher suction power and uses a dust collection system with bags instead of a visible container like the S7

  • The S8 has two vibration modules in the cleaning mechanism, while the S7 only has one

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05/29/2024 09:43 am GMT

Overview Roborock S8 vs S7

Overview Roborock S8 vs S7

Roborock S8 vs S7

roborock s7 vs s8
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Let’s compare the two Roborock models, S7 and S8, in terms of their features and specifications. Both models have a front bumper that detects physical obstacles and sensors that detect larger obstacles. However, the S8 has an optical point that can detect smaller obstacles like socks, shoes, and cables.

On the side of both models, there is a holder that keeps them parallel to the wall during navigation. On the back, both models have a removable water tank and a dustbin that can be swapped between the two models. However, the S8 Pro Ultra has a fixed water tank and a non-removable mop pad.

When we turn the robots over, we can see a significant difference in the brush system. The S7 has a three-arm brush, while the S8 has two counter-rotating brushes that provide better suction power. Additionally, the S8 has two vibration modules, while the S7 has only one.

Both models have six cliff sensors and a laser navigation system. However, the S8 has a more advanced navigation system, which is more accurate and efficient. The S8 also has better obstacle detection, making it easier to navigate around the house.

To summarize the differences between the two models, I have created the following table:

FeatureRoborock S7Roborock S8
Optical PointNoYes
Knight Rider LightYesNo
BumperYesYes
Navigation SystemLaserLaser
Brush SystemThree-armTwo counter-rotating brushes
Vibration ModulesOneTwo
Water TankRemovableRemovable (S8) / Fixed (S8 Pro Ultra)
Mop PadRemovableRemovable (S8) / Non-removable (S8 Pro Ultra)
Cliff SensorsSixSix
Obstacle DetectionBasicAdvanced

Overall, the S8 has some significant improvements over the S7, such as the optical point, better brush system, and advanced navigation system. However, the S7 is still an excellent robot vacuum cleaner, and its three-arm brush system is more durable than the S8’s two brushes.

Dust Collection System

roborock s8
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When comparing the Roborock S7 and S8, one important factor to consider is their dust collection system. Both models feature a similar dust bin design that can be easily removed for cleaning. However, there are some differences between the two models.

FeatureRoborock S7Roborock S8
Dust Bin470 ml400 ml
Dust Bin TypeTransparentNon-transparent
Dust Bin RemovalEasy to removeEasy to remove
Dust Bin FilterWashableWashable
Dust Bin CapacityLargeLarge

The Roborock S7 features a large 470 ml transparent dust bin that allows you to easily see when it needs to be emptied. This design was popular with customers because it allowed them to use the robot without dust bags. However, some customers found it inconvenient to see the dust all the time. On the other hand, the Roborock S8 has a 400 ml non-transparent dust bin that is not visible. This design is more suitable for people with allergies as it prevents dust from escaping the bin.

In terms of dust bin removal, both models are easy to remove and clean. The dust bin filter is also washable for both models. The dust bin capacity is large for both models, allowing for less frequent emptying. However, the dust bin visibility is a key difference between the two models.

Purchase Options

The Roborock S7 was launched with the optional suction station, which many customers liked because they could use the machine without a dust bag. However, some customers did not like the fact that they could see the dust in the bin. The Roborock S8 no longer offers the option to purchase the suction station separately. As of now, the new suction station is also only compatible with dust bags, making it a better option for allergy sufferers.

It is important to note that Roborock S8 offers three purchase options: the S8, the S8 Plus with the suction station and the S8 Pro Ultra model. The S8 Pro Ultra model has a different design and features, including a different type of suction station.

In this table I have summarised all the differences and similarities once again:

FeatureRoborock S7Roborock S8
Optional Suction stationYesNo
Dust Bag CompatibilityNoYes
Purchase OptionsS7, optional Suction stationS8, S8 Plus with Suction station, S8 Pro Ultra
NavigationLaserLaser
BumperYesYes
Optical PointNoYes
Knight Rider LightYesNo
Spot CleanYesYes
Child LockYesYes
Laser NavigationYesYes
Bumper NavigationYesYes
Crash-SensorsYesYes
Suction Power2500Pa6000Pa
Brush TypeThree-ArmDual-Brush
Wiper ModuleYesYes
Vibration ModuleNoYes
Recharge and ResumeYesYes
Battery Life150 minutes180 minutes
Dustbin Capacity470ml400ml
Water Tank Capacity300ml300ml
Noise Level67 dB68.5 dB
Dimensions353x350x96.5 mm350x353x96.5 mm

Final Thoughts

After comparing the Roborock S7 and S8, I must say that both models are impressive in their own ways. However, there are some notable differences between the two that are worth considering before making a purchase.

As you can see, the biggest difference between the two models is the brush system. The Roborock S8 has a dual brush system that provides better suction and cleaning performance. Additionally, the S8 has dual vibration modules that help to clean floors more thoroughly.

Another significant difference is the absence of the optical point and Knight Rider light in the S8. However, the S8 compensates for this with its advanced obstacle detection system that can detect even small objects like socks and cables.

Finally, it is worth noting that the Roborock S8 does not come with a cleaning station. Instead, you will have to purchase it separately or use the dustbin with a bag. On the other hand, the S7 comes with an optional cleaning station that many users found to be very convenient.

In conclusion, both the Roborock S7 and S8 are excellent robot vacuum cleaners that offer impressive performance and features. However, the S8 has some notable improvements that make it a better choice for those who want the latest and greatest technology.

FAQ

What is the difference between Roborock S7 and S8?

The main differences between Roborock S7 and S8 are the vacuuming performance, navigation/mapping, and charging. The newer S8 has better suction and a dual brush system translating into better carpet cleaning courtesy of the innovative CarpetBoost+ System.

Can S7 vacuum and mop at the same time?

Yes, the S7 can vacuum and mop at the same time thanks to its vacuum and mop combo feature. The robot uses an auto-lowering/heightening mop pad system that raises the mop when it goes over carpets.

What are the disadvantages of Roborock?

Some disadvantages of Roborock include its relatively high price, lack of physical service centers, and occasional difficulty in detecting small items on the floor.


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If you are looking for more comparisons of smart home devices, feel free to check out our post on the topic “Google Home vs Apple Home“.

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