For carpet and pet homes that want Shark’s PowerDetect cleaning features in a vacuum-only robot for about $400.
Amazon $399.99The Shark PowerDetect Self-Empty is the better robot vacuum overall, rated 4.0 to 3.7. The Shark PowerDetect Self-Empty leads on value and navigation. The Shark PowerDetect Self-Empty costs $99.01 less ($399.99 vs $499).
For vacuum-only buyers who want a bagless self-emptying dock; newer Shark models clean longer for similar money.
Amazon $499Prices were last checked October 30, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Shark PowerDetect Self-Empty for value ($400 vs $499) and navigation (LiDAR + 3D light vs LiDAR).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every vacuum only robot vacuum; a clear win is highlighted. How we rank explains each one.
| Factor weight | Shark PowerDetect Self-Empty | Shark Matrix Self-Empty |
|---|---|---|
| Overall rating | 4.0/5 | 3.7/5 |
| Cleaning 33% | 68 not yet tested; estimated from 4 tested Shark robots and the median of the 70 tested robots | 68 not yet tested; estimated from 4 tested Shark robots and the median of the 70 tested robots |
| Value 28% | 41 $400 | 28 $499 |
| Dock 22% | 100 Self-empties the bin | 100 Self-empties the bin |
| Navigation 17% | 85 LiDAR + 3D light | 65 LiDAR |
Specifications
| Shark PowerDetect Self-Empty | Shark Matrix Self-Empty | |
|---|---|---|
| Vacuum | ||
| Main brush | - | self-cleaning anti-hair-wrap brushroll |
| Dustbin | 189 mL | 189 mL |
| Mopping | ||
| Mop | None | None |
| Dock | ||
| Dock | Self-empty | Self-empty |
| Self-empties | Yes | Yes |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR |
| Obstacle avoidance | 3D object detection | LiDAR-based object detection |
| Build | ||
| Run time | - | Up to 1 h 30 min |
| Warranty | 1 year | 1 year |
