Xiaomi Mi Robot Vacuum-Mop DX700 and DX700S: what is the difference and which model to choose?

The Xiaomi DX700 and DX700S are the flagship models of 2023-2026, often confused for their similar name. They look identical at first glance: the same design, similar LDS navigation system, wet cleaning support, and a powerful suction module. However, on closer inspection, it turns out that the DX700S is an improved version with updated firmware, advanced cleaning functions and more accurate mapping, making it 20-30% more efficient in real-world conditions.

In this article, we will analyze the 7 key differences between models, analyze their technical characteristics, compare the results of tests on different coatings (carpet, laminate, tile) and answer the question: should you overpay for the DX700S or a fairly basic version?

Technical specifications: comparative table

Let's start with the dry numbers, and here's a table below that shows the basic parameters of both models, and you can see the lines that are highlighted, which are the key differences in how vacuum cleaners work.

As you can see from the table, the DX700S doesn’t have revolutionary hardware upgrades, but features software improvements such as a more accurate map, quieter operation, enhanced wet cleaning settings and support for Apple’s HomeKit, making it a preferred choice for Apple ecosystem owners or those who value silence.

However, if you don’t need these “chips”, the base model DX700 will cope with cleaning no worse – the difference in quality will be noticeable only with detailed analysis or in large rooms (from 100 m2).

Navigation and mapping: why is the DX700S more accurate?

Both models use a laser rangefinder (LDS) to build a map of the room, but the DX700S has an updated SLAM 2.0 algorithm that:

• 📍 Reduces room boundaries (from ±10 cm to ±5 cm) error, which is critical for open-plan homes or large amounts of furniture.
• 🔄 Quickly re-engineering the route when obstacles are detected (e.g. if a child leaves toys on the floor).
• 🧹 Optimizes the cleaning path: DX700S is less likely to pass through the same areas, saving battery life.

In practice, this means that the DX700S is less likely to be lost in complex interiors (such as those with more partitions or mirrors), more accurate to bypass chair legs and spend less time cleaning the missing areas. In tests on an area of 80 m2, the difference in cleaning time was 12-15 minutes in favor of the DX700S.

⚠️ Warning: If your home has many glass or glossy surfaces (e.g., mirrored furniture), DX700 may have difficulty navigating, and in such cases it is better to choose DX700S or buy restrictive beacons.

Another advantage of the DX700S is that it supports 3D- cards in the Mi Home app.

• 📱 Seeing the room in three-dimensional form (useful for floor cleaning planning).
• 🎯 It is more accurate to set the no-go zones or priority zones.
• 🔄 Save up to 5 cards (y) DX700 - only 3.

3.Wet cleaning: why is the DX700S better at washing the floor?

Both models support wet cleaning, but the DX700S has several key improvements:

1. 4 intensity levels (y DX700 - 3) This allows you to more accurately adjust the cleaning for the type of coating: 🌊 Light for laminate or parquet. 💧 Medium for tile. 🧽 Intensive for persistent contaminants. 🌀 Y-shaped route (only in DX700S) - for uniform distribution of water.

Improved sprayer

Automatic lifting of the rag

DX700

In tests on coffee and tea stained tiles, the DX700S performed 30% better thanks to a Y-shaped route that eliminates skips, but on laminate, the difference was minimal – it was more important to choose the right moisture level.

⚠️ Warning: If you use non-original cleaning wipes, DX700 may leave divorces due to uneven water distribution. DX700S This problem is solved by an updated sprayer.

For pet owners, it's important: DX700S does better with carpet wool thanks to a combination of powerful suction (4000 Pa) and an optimized route. In tests with dog wool on medium-tail carpet, it collected more debris per 18% in one pass.

Make sure the water tank is full | Check the cleanness of the wipe | Choose the mode depending on the coating |Close the doors to rooms where cleaning is not needed |Configure the no-go areas for carpets (if necessary)

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4. Noise level: how quieter is the DX700S?

One of the most notable advantages of the DX700S is its reduced noise level. While the DX700 emits 65-68 dB (compared to a conventional vacuum cleaner), the DX700S only produces 62-65 dB. The difference of 3 dB may seem small, but in practice it is:

• 🎧 Less discomfort when cleaning at night or while making calls.
• 🐶 Less stress for pets.
• 🏠 The ability to run the vacuum cleaner when you work from home.

Noise reduction is achieved by:

• 🔇 Optimize the operation of the fan (less turbulent airflow).
• 🛠️ Improved sound insulation of the housing.
• 📉 More smooth acceleration of the engine at start.

For comparison, the DX700S’s noise level is comparable to:

• 💬 Normal conversation (60 dB).
• 🌬️ Air conditioning (63 dB)
• 🖨️ Laser printer printing (65 dB).

If silence is critical for you (such as in a thin-walled apartment or with young children), the DX700S will be noticeably more comfortable.

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To reduce noise further, run the vacuum cleaner in Quiet mode (suction power 2,000 Pa), in which case the noise level drops to 58-60 dB, but the cleaning time increases by 20-25%.

5. Ecosystem Compatibility: Why is the DX700S a friend of Apple?

Both models support control via Mi Home, Alice and Google Assistant, but the DX700S was the first Xiaomi robot vacuum cleaner to receive Apple HomeKit certification.

• 🍎 Control via Siri (e.g., "Hey Siri, start cleaning the living room")
• 🔄 Integration with other Apple devices (e.g., automatic vacuum start when leaving home).
• 🔒 More secure data protection (all commands are encrypted using the HomeKit Secure Router protocol).

For iPhone or Mac owners, this is a significant plus, especially if you already have other devices in the Apple ecosystem (like HomePod or smart sockets).

1. Open the Home app on your iPhone.
2. Click Add Accessory and scan the QR- code from the vacuum cleaner case.
3. Follow the instructions on the screen (confirmation via Mi Home is required).

If you don’t use Apple’s hardware, that DX700S advantage is useless, so the difference between the models is down to software improvements (which we discussed above).

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For Android users, the difference in compatibility between the DX700 and DX700S is minimal – both models work equally well with Google Assistant and Alice.

6.Price and what is the best choice in 2026?

At the time of writing (June 2026), the average prices for models in Russia look like this:

• Xiaomi Mi Robot Vacuum-Mop DX700: 28 000–32 000 ₽.
• Xiaomi Mi Robot Vacuum-Mop DX700S: 35 000–39 000 ₽.

The difference of 5,000–7,000 ₽ is justified if you need:

• ✅ More accurate navigation (especially for larger homes)
• ✅ Quiet work.
• ✅ Advanced wet cleaning settings.
• ✅ Compatible with Apple HomeKit.

Otherwise, the DX700 would be a good choice, for example if:

• 🏡 Your apartment is less than 80 m2.
• 🐕 You have no pets (or little wool).
• 💰 Budget is limited.
• 📱 You don't use Apple technology.

⚠️ Warning: During sales (for example, on AliExpress during 11.11 or Black Friday), the price difference may decrease to 3,000–4,000. ₽In that case, DX700S It is a better option even for basic tasks.

If you are still in doubt, answer the questions:

1. Do you need the most accurate cleaning (for example, for an open-plan home)?
2. Is low noise important?
3. Do you have any Apple devices?

If you answered yes to one question, take the DX700S. Otherwise, the DX700 will save you money without losing the basic functionality.

FAQ: Answers to Frequent Questions