Dyson V12 vs Bosch Unlimited 7 – Needless to say, Dyson reigns supreme in the realm of stick vacuums with a range of high-tech and powerful machines. Meanwhile, Bosch is a multinational engineering and technology company with a reputation for crafting superior electrical tools and household appliances, including dishwashers, refrigerators, washing machines, and vacuum cleaners.
The Dyson V12 features all of the brand’s latest technology, promising a great vacuuming experience. What sets it apart from other members of the Dyson stick family is its compact and lightweight design, but this comes with slight compromises in its suction power and dustbin capacity.
The Bosch Unlimited 7, while not the winner, is a compelling contender in its price bracket. It offers an array of versatile accessories and includes a second battery, effectively doubling its operational time. Still, this one doesn’t do a good job of removing large debris from hard floors, and its floorhead has no anti-tangle technology.
Dyson V12 Vs Bosch Unlimited 7: Comparison Chart
Dyson V12 Vs Bosch Unlimited 7: Differences
When the dust settles, the Dyson V12 outperforms the Bosch Unlimited 7 with a decisive 3-1 victory. Let’s delve deeper into my review and comparison for a more comprehensive understanding!
Design & Usability
Winner: Bosch Unlimited 7
Attachments & Storage
| Dyson V12 | Bosch Unlimited 7 |
|---|---|
| Laser Slim Fluffy Cleaner Head Motorbar Cleaner Head Hair Screw Tool Crevice Tool Combination Tool Wand Storage Clip Docking Station & Charger Removable Battery (X1) | Motorized LED Brush Long flexible crevice nozzle 2-in-1 Furniture Brush & Upholstery Nozzle Small crevice nozzle Docking Station & Charging Cable Quick Charger Removable Battery (X2) |
Both the Dyson V12 and the Bosch Unlimited 7 come loaded with an impressive array of goodies right out of the box, allowing them to adapt to various cleaning situations. Note that depending on your chosen version, the set of attachments you get may be slightly different.
Like many models on the market, both the Dyson V12 and the Bosch Unlimited 7 feature convenient wall-mounting stations for fuss-free storage and charging. Simply dock them into position, and they will be charged and safely stowed away from curious children and pets while your floors are kept clutter-free. These wall mounts are designed with extra room to accommodate two handy attachments, so I had to put the others in a nearby cupboard.
I could secure my most frequently used accessories (the crevice attachment and the combination tool) straight onto the Dyson V12’s body via a wand storage clip for easy access during vacuuming. Meanwhile, the Bosch Unlimited 7 lacks this small but handy tool.
The Bosch Unlimited 7 features a handy “parking clip” on the back of the vacuum itself. It allows hooking the vacuum over the back of a chair, a rail, a suitable shelf, or any other compatible furniture piece. Whether you need to take a breather during your cleaning session or if you simply don’t want to drill into your wall, this tiny hook will come into play. It is rubberized to avoid scratching things. I felt it was somewhat flimsy, but only time will tell if it’s durable enough.
Weight & Maneuverability
As mentioned above, the Dyson V12 is designed with lightweight and compactness in mind. Weighing in at 5.3 pounds, the V12 is among the lightest Dyson sticks, which comes with trade-offs (more on that later). Maneuvering and carrying this unit around is already a breeze for me. In the handheld configuration, it was lightweight enough that it almost disappeared from my hand.
Weighing in at 6.2 pounds, the Bosch Unlimited 7 isn’t a heavy stick vacuum either, and maneuvering it was still very easy with its 90-degree nozzle, but not as well as the Dyson V12. However, carrying it up and down the stairs or using it to clean the ceiling in its handheld form can be challenging for those with arthritic hands or dexterity issues.
Regarding cleaning under furniture and in tight areas, the Bosch Unlimited 7 takes the lead with its 90-degree bendable tube. Like the Shark IZ462H with its MultiFlex tube, this one allowed me to do these tasks easily by bending the wand instead of flexing myself too much.
Battery Life
The Dyson V12 has a quoted battery life of 60 minutes, while the Bosch Unlimited 7 is claimed to be able to run non-stop for 40 minutes (with one battery). But in the real world, how long a vacuum cleaner can run between charges depends on many factors. I tested each with the main nozzle and found them to run out of battery a bit faster than advertised:
| Dyson V12 | Bosch Unlimited 7 | |
|---|---|---|
| Maximum Battery Life | ≈ 41 mins | ≈ 33 mins |
| Minimum Battery Life | ≈ 11 mins | ≈ 12 mins |
| Charging Time | ≈ 4 hours | ≈ 3.5 hours |
The Dyson V12’s battery life is generally fairly decent for a stick vacuum. It uses a removable battery called “click-in.” So if you want more juice to clean your large house from top to bottom, consider buying an extra battery to keep your cleaning session uninterrupted.
Conversely, the Bosch Unlimited 7 includes two removable batteries, making it ideal for a larger cleaning job without stopping for a charge. Better yet, its battery is known as “PowerForAll,” which is compatible with a wide variety of 18V power devices and gardening tools, not only from Bosch but also from many other brands like Gloria, Wagner Gardena, and Rapid. The Bosch Unlimited 7 includes a quick charger, which can reduce charging time to about an hour.
Cleaning Performance
Winner: Dyson V12
Suction Power & Floorhead
The Dyson V12 has a maximum suction power of 150 AW, marking it as the model with the least suction force amongst the latest Dyson stick vacuums. The Unlimited 7’s official suction power isn’t readily available, but my personal tests indicated that it also tends to lean on the lighter side.
The Dyson V12 includes two floorheads, Laser Slim Fluffy and Motorbar cleaner heads. The first one is a soft roller equipped with a small green laser specifically for hard floors. Meanwhile, the other is a multi-surface brush roll and is equipped with Dyson’s anti-tangle technology.
On the other hand, the Bosch Unlimited 7 has a motorized LED brush floorhead that can work on all types of surfaces. This one is also equipped with LED headlights.
Hard Floor
| Large Debris | Small Debris | |
|---|---|---|
| Dyson V12 | 100% | 99% |
| Bosch Unlimited 7 | 75% | 96% |
Paired with the newer-generation Fluffy floorhead, the Dyson V12 truly aced the test with a stellar performance. This one left only a nearly imperceptible amount of barely visible debris after the initial pass.
The Bosch Unlimited 7 also easily collected a good amount of small debris, but it only captured about 75% of the larger materials and pushed the rest forward. However, to my mind, this result isn’t bad for a model without a soft roller.
Carpet
| Large Debris | Small Debris | |
|---|---|---|
| Dyson V12 | Low-Pile Carpet: 100% | Low-Pile Carpet: 97% |
| High-Pile Carpet: 100% | High-Pile Carpet: 95% | |
| Bosch Unlimited 7 | Low-Pile Carpet: 87% | Low-Pile Carpet: 96% |
| High-Pile Carpet: 82% | High-Pile Carpet: 92% |
The Dyson V12 still achieved very high scores across the board in this test. I used the Motorbar cleaner head, and it removed all the large debris and most of the small ones. The Bosch Unlimited 7 also had an impressive performance, but it struggled with larger debris, and I had to use the handheld unit to remove the remaining remnants.
Hair Test
Both the Dyson V12 vs Bosch Unlimited 7 easily pick up all the hair and fur on my floors, but the first one has the upper hand thanks to its better tangle resistance. Both its floorheads excelled at ensuring the vacuumed hair didn’t end up wrapping around the roller.
As mentioned earlier, the Bosch Unlimited 7’s cleaning head has no mechanism or technology for keeping the roller free from tangled hair. So it required a bit more time and effort for maintenance at the end of the test session.
Dustbin & Filtration System
Winner: Dyson V12
One of the trade-offs for the Dyson V12’s compact design is a reduction in dustbin capacity. It can only hold a maximum of 0.38 liters of dirt, and I found it filling up quickly. The Unlimited 7’s canister is even smaller at 0.3 liters.
Emptying the Dyson V12 is easy by pushing a lever to eject all the contents. As for the Bosch Unlimited 7, I had to remove its dustbin from the handheld part and open the top lid to let all the contents go. I initially found emptying the second one a bit more complicated. But in hindsight, I understood that it could prevent the formation of a dust cloud by holding it close to the bottom of the trash can.
The Dyson V12 features a fully sealed HEPA filtration system. I consider this a godsend for people with severe allergies since it ensures that unfiltered air will definitely pass through its HEPA filter before being sent out. Its HEPA filter is washable and should be rinsed with water whenever the digital screen tells you to. Just ensure it is completely dry before being reused.
Unfortunately, Bosch Unlimited 7’s filtration system seems to be unsealed. Its HEPA filter is not washable, but it has a nifty mechanism that allows you to dislodge all the dust from the filter without using water. Two “finger holes” on the top lid facilitate a twisting action to flick the folds in the dust cartridge and loosen all the stubborn dust from the filter. Ensure to do this outside or before removing the top lid to prevent dust and dirt from spreading everywhere. This sounds convenient and time-saving, but I remain skeptical about its ability to dislodge all accumulated dirt.
Utilities
Winner: Dyson V12
User Interface
The Dyson V12 has a technologically advanced display screen that dynamically indicates the current power mode and estimated battery life based on the selected mode. Furthermore, it provides timely alerts whenever there’s a blockage in the roller or when the filter requires a wash.
Moreover, Ii displays the vacuumed dust particles by actual number and four size groups via a bar graph. What alien technology can do this? Well, the answer is just a built-in piezo sensor that can determine the dust density and adjust the vacuum’s suction accordingly.
As for the Bosch Unlimited 7, it has no display. So I had to rely on three battery indicator lights to determine its battery life. Of course, it’s not as accurate as the Dyson V12’s screen, which counts down in minutes.
Control Method
Unlike models since the Dyson V15 and earlier, the V12 doesn’t require holding down a trigger continuously. All it takes is a single press of a physical button, and the vacuum maintains its operation until another press is made. This is a much-appreciated design enhancement, effectively reducing hand strain during extended use. Another button is on the display to switch between the three power modes: eco, auto, and boost.
Bosch Unlimited 7’s control method is also at the basic end of the spectrum. It only has a four-way slide switch to turn the vacuum on and toggle between eco, turbo, or auto modes.
Auto Mode
Both the Dyson V12 vs Bosch Unlimited 7 can be used in auto mode, where their suction is automatically adjusted. But while the Unlimited 7 just automatically adjusts its suction based on surface type, the Dyson V12 is ahead of the game by tweaking its suction according to surface type (dynamic load sensor) and dust density (piezo sensor).
Headlight
Both models come outfitted with technologies designed to simplify vacuuming in poorly lit spaces. The Unlimited 7’s nozzle houses a few LED bulbs, while the Dyson V12’s Laser Slim Fluffy floorhead features a small green laser (called Laser Detect technology). From my experience, the Laser Detect technology proved more proficient at highlighting dust and dirt, but it would be better if this feature were also incorporated into the Motorbar head.
Quick Rundown Of Dyson V12
- Dyson’s lightest intelligent cordless vacuum. Reveals invisible dust..Special feature: compact
- 30% more power.¹ 60 minutes of run time.²
- Power button operated for continuous cleaning.
- 24% lighter than the Dyson V15. Engineered to be ergonomic, effortless, and easy to use. Converts to a handheld vacuum for cleaning cars, stairs, and upholstery.
- Intelligently adapts power based on debris detected. LCD screen shows total picked-up particles on-screen as you clean.³ Also displays power mode, maintenance alerts, and remaining run time to the second.
Quick Rundown Of Bosch Unlimited 7
Product Videos
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References:
- Dyson V12: https://www.dyson.com/vacuum-cleaners/cordless/v12
- Bosch Unlimited 7: https://www.bosch-home.com/eg/en/products-list/vacuumcleaners/rechargeablefloorvacuumcleaners/unlimited/unlimited-7
Victor K. Giles is a leading consultant and expert in vacuum cleaner technology with over a decade of experience. As a mechanical engineering graduate in the University of Michigan, he specializes in product development, design optimization, and performance analysis. Victor collaborates with manufacturers and educates consumers, making her a sought-after guest speaker at industry events. His work has been featured in renowned publications, and he shares his expertise on his blog, “The Vacuum Teria”. Victor’s passion for cleaner, healthier living spaces drives his to help clients choose the best vacuum solutions for their needs.