Quick takeaway
LG CordZero R9 ThinQ leads this matchup 0 to 0 on measured spec rows and by 100 points overall. LG CordZero R9 ThinQ is also about $50.00 cheaper at the latest tracked price.
iRobot Roomba i7 Plus 7550 vs LG CordZero R9 ThinQ
Choose iRobot Roomba i7 Plus 7550 if...
Pick iRobot Roomba i7 Plus 7550 if its current price, brand, or design fits your shortlist better than LG CordZero R9 ThinQ. It currently costs about $50.00 more, so make sure those wins matter to you.
Choose LG CordZero R9 ThinQ if...
Pick LG CordZero R9 ThinQ if its current price, brand, or design fits your shortlist better than iRobot Roomba i7 Plus 7550.
Side-by-side specs
This is the raw comparison view. It is there for the rows that actually decide the purchase, not just the headline winner badge.
Battery and power
| Spec | iRobot Roomba i7 Plus 7550 | LG CordZero R9 ThinQ |
|---|---|---|
| Battery Life | Up to 90-120 min per charge | Up to 90-120 min per charge |
Dimensions
| Spec | iRobot Roomba i7 Plus 7550 | LG CordZero R9 ThinQ |
|---|---|---|
| Dustbin | 0.5 L | - |
General
| Spec | iRobot Roomba i7 Plus 7550 | LG CordZero R9 ThinQ |
|---|---|---|
| Brand | iRobot | LG |
| Category | Robot vacuum | Robot vacuum |
| Type | Robot vacuum | Robot |
The verdict
Based on 10 spec comparisons plus user ratings, the LG CordZero R9 ThinQ comes out ahead with a stronger overall score.
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Comparison FAQ
These answers explain how the score is built, when the lower-scoring option still makes sense, and what to confirm before you buy.
What is the iRobot Roomba i7 Plus 7550 vs LG CordZero R9 ThinQ score measuring?
VSFinder compares 7 visible spec rows, then blends those wins with current price and Amazon rating signals so the page reflects both raw specs and real shopping context.
When does the lower-scoring option still make sense?
The lower-scoring model can still be the better buy if the few areas where it wins line up with how you shop. That matters most when those wins cover the exact features you care about more than the overall leader.
What should I confirm before I buy?
Confirm the live Amazon listing for price and availability, then double-check the few spec rows that matter most to your use case. We currently track $299.99 for iRobot Roomba i7 Plus 7550 and $249.99 for LG CordZero R9 ThinQ.