Shark is one of the best companies in the vacuum cleaner market. It has three premium model lines, Vertex, Stratos, and PowerDetect. Each lineup has corded, cordless, and upright models. Since there are too many models, we are talking only about the top ones.
Corded: POWERDETECT HZ4002 vs HZ3002 Stratos vs Shark HZ2002 Vertex
| Specs/Models | POWERDETECT HZ4002 | HZ3002 Stratos UltraLight | Shark HZ2002 Vertex Ultralight Corded |
| Price | $299.99 | $314.99 | $264.99 |
| Wattage (W) | 600 | 600 | 680 |
| Bin capacity (ml) | N/A | 750 | 300 |
| Cord length (inch) | N/A | 30 | 30 |
| Sealed HEPA Filtration | yes | yes | yes |
| LED lights | yes | yes | yes |
| Display | no | yes | yes |
| POWERDETECT technology | yes | no | no |
| Odor Neutralizer | yes | yes | no |
| Powered Lift-Away | no | no | no |
| Brushroll system | DuoClean Detect | DuoClean PowerFins HairPro | DuoClean PowerFins |
| Self-cleaning brushroll | yes | yes | yes |
| Multiflex technology | no | no | no |
| Weight (lbs) | 9.3 | 8.08 | 9 |
The corded cleaners have similar specs; however, the newest POWERDETECT senses floor type and direction.
Shark HZ2002 Vertex vs HZ3002 Stratos Ultralight
The Stratos has a better cleaning system and additionally eliminates odors. A bigger dustbin holds more debris, new technology neutralizes odors.
The Vertex, on the other hand, is a bit cheaper yet slightly more powerful.
Shark POWERDETECT HZ4002
Editor's choice
With the newest brushroll system, the vacuum is smarter and performs better, yet lacks a display. You get a smoother experience and newer technology at the same price.
Upright: Vertex AZ2002 vs AZ3002 Stratos vs. POWERDETECT AZ4002
| Specs/Model | Vertex AZ2002 DuoClean | AZ3002 Stratos Upright | POWERDETECT AZ4002 |
| Price | $479.99 | $398.0 | $429.99 |
| Power (W) | 1,344 | 1,416 | 1,416 |
| Bin capacity (ml) | 946 | 1400 | 1,910 |
| Cord length (inch) | 30 | 30 | 30 |
| Sealed Filtration | HEPA + Foam and Felt Filters | HEPA + Foam and Felt Filters | HEPA + Foam and Felt Filters |
| LED lights | yes | yes | yes |
| Display | no | no | no |
| Powered Lift-Away | yes | yes | yes |
| Brushroll system | DuoClean PowerFins | DuoClean PowerFins HairPro | DuoClean Detect |
| Edge Detect | no | no | yes |
| Floor Detect | no | no | yes |
| Dirt Detect | no | no | yes |
| Direction Detect | no | no | yes |
| Odor neutralizer | no | yes | yes |
| Self-cleaning brushroll | yes | yes | yes |
| Weight (lbs) | 16.4 | 17.2 | 17.6 |
The powered lift-away function is for cleaning above the floors without tiring your hands.
The Vertex AZ2002 DuoClean has a smaller dustbin and lacks some power. With about the same price tag, I would recommend getting the Apex or POWERDETECT.
The Shark AZ3002 Stratos has a bigger dustbin and more power, it outperforms the Vertex at almost everything. The Stratos has a newer brushroll system and odor neutralizer, unlike its brother, the Vertex.
The Best Shark Upright Vacuum
Editor's choice
The POWERDETECT technology adapts power settings when identifying dirt, floor type, edges, and direction.
The AZ4002 is the smartest with all the sensors that adapt suction to floor type and dirty areas.
DIRECTION DETECT: the sensor recognizes which direction you are vacuuming, and automatically directs suction to whatever direction is needed, for maximum cleaning in both forward and reverse
Ideal for all floor types.
Cordless:
| Specs/Models | PowerDetect IP1251 | Stratos IZ862H | Vertex IZ662H |
| Price | $429.99 | $356.36 | $397.49 |
| Power (W) | 380 | 309 | 309 |
| Bin capacity (ml) | 700 | 680 | 950 |
| Removable battery | yes | yes | yes |
| Run time (min) | 70 | 60 | 60 |
| Auto-empty | no | no | no |
| Sealed Filtration | HEPA + Anti-Allergen Complete Seal | HEPA + Anti-Allergen Complete Seal | HEPA + Anti-Allergen Complete Seal |
| LED lights | yes | yes | yes |
| Display | yes | yes | yes |
| FloorDetect | yes | no | no |
| EdgeDetect | yes | no | no |
| DirtDetect | yes | yes | no |
| LightDetect | yes | no | no |
| Powered Lift-Away | no | no | no |
| Multiflex technology | yes | yes | yes |
| Brushroll system | DuoClean Detect | DuoClean PowerFins | DuoClean PowerFins |
| Self-cleaning brushroll | yes | yes | yes |
| Weight (lbs) | 7.96 | 8.9 | 8.8 |
Multiflex technology
Multiflex technology folds the vacuum, which helps to reach areas under furniture and keeps the vacuum compact.
The Shark's best cordless vacuum
Editor's Choice
The DuoCleanDetect technology is new, it detects dirt, floor type, edges, and direction. The vacuum has the most power of the cordless models.
To sum up
The Shark's POWERDETECT is the most valued lineup so far. To get the power and smart features of the newest technology, you'll have to pay more.
The Stratos is in second place. It costs about the same as the Vertex, only has newer technologies and an upgraded brushroll system.
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