Robot Vacuums: A Side-by-Side Comparison of the J7 vs. S9

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Written by: Ryan Sneltzer
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An interesting comparison of robot vacuums is the Roomba s9 vs. j7. These are two of Roomba’s most innovative vacuums. The Roomba s9 is the first vacuum with a D frame and 9-inch extractors, while the j7 is the first vacuum with an enhanced camera. The Roomba s9 is powerful, while the j7 provides a more thorough cleaning experience. Read on for more information regarding this iRobot j7 vs. s9 comparison.

iRobot Roomba S9 (9150) Robot Vacuum
Pros:
  • vSLAM technology for precise cleaning.
  • 3-stage system handles dirt and pet hair.
  • Long-lasting for extended use.
Cons:
  • Regular replacements can add up.
  • Audible Operation
  • Lacks hazard sensing.
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Cleaning Power

Cleaning Power is an important part of the iRobot j7 vs. s9 debate. The s9 and j7 are similar in terms of their cleaning performance. Both vacuums have 3-stage cleaning power. The Roomba s9 has Imprint Link Technology that allows the vacuum to perform vacuuming and mopping functions at the same time. Users note that the s9 works well on hardwood, tile, vinyl, and other bare floors. The s9 is also compatible with some area rugs.

The s9 is equipped with 2200 pa, and the brush system is enhanced due to AeroForce technology. The s9 utilizes a dual brush roll to perform multiple functions. One potential drawback is that the s9 vacuums do not have HEPA filters.

The iRobot j7 has similar cleaning features. The primary difference between the vacuums is that the j7 has a lower speed motor that maxes out at 900 pa. The j7 also has a larger bin than the s9. Another key feature of the j9 is that it’s a self-emptying robot. Its user-friendly feature ensures you won’t have to worry about emptying the dirt bag.

Navigation

Another important part of the iRobot j7 vs. s9 debate is navigation power. The Roomba s9 has some of the best navigation features on the market. The iAdapt Navigation system and VSLAM capabilities include enhanced software, high-level detection sensors, and a safety camera. The vacuum will easily avoid obstacles such as clothes and shoes to stay on track. The smart mapping system includes innovative boundary marking. Boundary marking provides barriers to help prevent the vacuum from sustaining damage.

The Roomba j7 sticks to the same efficient cleaning patterns. The Precision Vision Navigation system is a unique feature. This navigational feature notifies the vacuum about different objects to avoid while cleaning. Another exciting feature of the Roomba j7 is the ability to clean based on the custom maps that you have created. This allows the vacuum to focus on specific rooms instead of the entire home.

Noise Level

The next comparison in the s9 vs. j7 Roomba debate is noise level. The Roomba j7 has a clear advantage here. The Roomba j7 has a 63 dba noise level, while the s9 has a substantially louder 74 dba. While the high power is the primary reason for the s9’s noticeably loud noise level, it is still a turn-off for many users.

User Friendliness

The auto-emptying feature is one of the most appealing for both vacuums. Emptying the dust bags every day can be tedious. iRobot recognizes this. The vacuum automatically cleans itself once it’s full. Another cool feature is that both vacuums automatically return to the charging station when the low battery level sensor kicks in.

Pricing

There is a clear price difference in the iRobot j7 vs. s9 debate. The j7 series is priced at $500, while the s9 series is priced at over $800. The j7 is the obvious choice if you are looking for a quality vacuum on a budget.

Battery Life

Surprisingly, the j7 wins this part of the iRobot s9 vs. j7 Roomba debate. The j7 has a run time of 75 minutes. For such an expensive vacuum, many users are upset that the s9 has a relatively short battery life of 75 minutes. It’s worth noting that the s9 utilizes the largest battery size of any vacuum in the iRobot series. While that is the primary cause of a short run time, it’s still disappointing.

iRobot Roomba S9 (9150) Robot Vacuum
Pros:
  • vSLAM technology for precise cleaning.
  • 3-stage system handles dirt and pet hair.
  • Long-lasting for extended use.
Cons:
  • Regular replacements can add up.
  • Audible Operation
  • Lacks hazard sensing.
Check Today's Price
We earn a commission if you make a purchase, at no additional cost to you.

Final Thoughts

When determining which vacuum is better, Roomba j7 vs. s9, it comes down to preference. If you are willing to pay top dollar to afford to receive the best technology on the market, the s9 is a clear choice. However, for most consumers, the j7 is the preferred option. It’s much more affordable and still provides an efficient cleaning experience.

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Ryan Sneltzer