Shark PowerDetect Self-Empty
#2 in Vacuum onlyFull review
For carpet and pet homes that want Shark’s PowerDetect cleaning features in a vacuum-only robot for about $400.
Amazon $399.99$399.99
The Shark PowerDetect Self-Empty is the better robot vacuum overall, rated 4.0 to 3.5. The Shark PowerDetect Self-Empty leads on value. The iRobot Roomba Max 715 Vac wins on navigation. The Shark PowerDetect Self-Empty costs $299.01 less ($399.99 vs $699).
iRobot Roomba Max 715 Vac
#7 in Vacuum onlyFull review
For carpet-heavy or pet homes that want a vacuum-only Roomba with camera obstacle avoidance and a 90-day bagged dock.
Amazon $699$699
Prices were last checked October 26, 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 $699).
- Choose the iRobot Roomba Max 715 Vac for navigation (LiDAR + camera vs LiDAR + 3D light).
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 | iRobot Roomba Max 715 Vac |
|---|---|---|
| Overall rating | 4.0/5 | 3.5/5 |
| Cleaning 33% | 68 not yet tested; estimated from 4 tested Shark robots and the median of the 70 tested robots | 48 not yet tested; estimated from 3 tested iRobot robots and the median of the 70 tested robots |
| Value 28% | 41 $400 | 8 $699 |
| Dock 22% | 100 Self-empties the bin | 100 Self-empties the bin |
| Navigation 17% | 85 LiDAR + 3D light | 100 LiDAR + camera |
Specifications
| Shark PowerDetect Self-Empty | iRobot Roomba Max 715 Vac | |
|---|---|---|
| Vacuum | ||
| Claimed suction | - | 30,000 Pa |
| Main brush | - | dual rubber anti-tangle brushes |
| Dustbin | 189 mL | - |
| Mopping | ||
| Mop | None | None |
| Dock | ||
| Dock | Self-empty | Self-empty |
| Self-empties | Yes | Yes |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR + camera |
| Obstacle avoidance | 3D object detection | PrecisionVision AI camera object recognition |
| Build | ||
| Battery | - | 6,000 mAh |
| Weight | - | 7.5 lb (3.4 kg) |
| Warranty | 1 year | - |
| Released | - | 2026-07 |