specly

Lucy vs Roomba j7+

Lucy

2020 · $299 today

5437
Roomba j7+

2022 · $499 today

6753
SuctionNavigationMoppingAutomationBatteryValue
LucyRoomba j7+

Dashed outline = score at launch

Why Lucy is better

  • Suction Power: 3000 Pa vs ~2200 Pa (10x Power)(36% more)

Why Roomba j7+ is better

No standout numeric advantages.

Verdict

Roomba j7+ leads outright in 6 of 6 dimensions today.

Spec by spec

SpecLucyRoomba j7+
Cleaning Performance
Suction Power3000 Pa~2200 Pa (10x Power)
MoppingNone
Dustbin Capacity0.4 L
Navigation
Navigation TypeDual AI cameras (DeepView)
Persistent MappingYes
Multi-Floor MappingNo
MappingCamera-based vSLAM
Obstacle AvoidancePrecisionVision camera + AI
Battery & Coverage
Battery Life120 min
Coverage per Charge1500 sqft
Design
Weight3.5 kg
Height9.7 cm
Noise64 dB
Cleaning
Suction Power3000 Pa~2200 Pa (10x Power)
Mop TypeNone (vacuum only)
Dustbin EmptyingAuto, in dock
Battery & Dock
Battery CapacityLithium, unspecified mAh
Runtime75 min
Dock FeaturesAuto-empty only