iRobot Roomba j7+ vs Roborock S8 Pro Ultra
We put these two robot vacuums head-to-head. The Roborock S8 Pro Ultra wins on rating, but is it right for you?
iRobot Roomba j7+
Roborock S8 Pro Ultra
Spec Showdown
| Feature | iRobot Roomba j7+ | Roborock S8 Pro Ultra |
|---|---|---|
| $ Price | $799 | $1599 |
| Suction | 10x Power-Lifting | 6000 Pa |
| Suction Power (Pa) | 5000 Pa | 5500 Pa |
| Runtime | 75 min | 180 min |
| Battery Capacity | 2500 mAh | 2800 mAh |
| Noise Level (dB) | ~72 dB | ~75 dB |
| Bin Size | Auto-Empty (60 days) | Auto-Empty (7 weeks) |
| Weight | 7.5 lbs | 9.5 lbs |
| HEPA Filter | Yes | Yes |
Best For...
Buy iRobot Roomba j7+ for:
- High-traffic areas that need frequent, thorough cleaning
- Homes with mixed flooring types (carpet and hardwood)
- Users who prefer best obstacle avoidance
Buy Roborock S8 Pro Ultra for:
- Homes with pets that shed heavily
- Users looking for better value for their money
- Situations where vibrarise mopping are needed
Common Problems & Troubleshooting
Loss of Suction
If either vacuum loses suction, first check the bin. A full bin or clogged filter is the culprit 90% of the time. Wash the filters with cold water and let them dry for 24 hours.
Brush Roll Not Spinning
Check for tangled hair or string. Most brush rolls can be removed with a coin. Cut away debris carefully. If it still won't spin, the belt or motor might be failing.
Battery Draining Fast
Using 'Max' or 'Boost' mode continuously drains the battery in under 15 minutes. Stick to 'Auto' or 'Normal' mode for daily cleaning.
iRobot Roomba j7+ Pros & Cons
Pros
- Best obstacle avoidance
- Self-emptying is reliable
- Great app
Cons
- Loud base station
- Random navigation in dark
- Pricey
Roborock S8 Pro Ultra Pros & Cons
Pros
- Incredible mopping
- Huge suction power
- Fully automated maintenance
Cons
- Extremely expensive
- Dock takes up space
- App can be complex
Our Verdict
Buy the iRobot Roomba j7+ if...
- You want best obstacle avoidance
- Budget is a concern
Buy the Roborock S8 Pro Ultra if...
- You prefer incredible mopping
- You need vibrarise mopping
Frequently Asked Questions
Which is better for pet hair: iRobot Roomba j7+ or Roborock S8 Pro Ultra?
Both are capable, but look at the suction power and brush roll design. The model with a detangling or dual-brush system will typically perform better for long pet hair.
Are the batteries replaceable?
Most modern cordless vacuums, including these, have replaceable batteries. Always check the manufacturer's warranty and official parts store.
Can they replace a corded upright vacuum?
Yes, high-end stick vacuums now match or exceed the suction of older corded uprights, making them sufficient as the primary vacuum for most homes.