iRobot Roomba Max 715 Vac vs Shark Navigator Self-Empty

The Shark Navigator Self-Empty is the better robot vacuum overall, rated 3.6 to 3.5. The Shark Navigator Self-Empty leads on value. The iRobot Roomba Max 715 Vac wins on navigation. The Shark Navigator Self-Empty costs $259.05 less ($439.95 vs $699).

Higher rated

Shark Navigator Self-Empty

#6 in Vacuum only3.6Full review

A no-frills LiDAR vacuum with a bagless self-empty base for people who don’t need mopping and want to stay under $500.

Amazon $439.95

$439.95

iRobot Roomba Max 715 Vac

#7 in Vacuum only3.5Full 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 Navigator Self-Empty for value ($440 vs $699).
Choose the iRobot Roomba Max 715 Vac for navigation (LiDAR + camera 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 Navigator Self-Empty	iRobot Roomba Max 715 Vac
Overall rating	3.6/5	3.5/5
Cleaning 33%	49 measured 82% of sand from carpet, 85% of pet hair, some hair tangled (0.5)	48 not yet tested; estimated from 3 tested iRobot robots and the median of the 70 tested robots
Value 28%	36 $440	8 $699
Dock 22%	100 Self-empties the bin	100 Self-empties the bin
Navigation 17%	65 LiDAR	100 LiDAR + camera

Independent tests

Shark Navigator Self-Empty

Tested by	Carpet deep clean	Pet hair	Hair tangle (0 = none)	Area per charge	Conditions
Vacuum Wars	82%	85%	0.5	938 sq ft	Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped).