Roborock S8 MaxV Ultra vs Dreame L40 Ultra Gen 2

This is a photo finish: 97%/91% (hard floor/carpet) for the Roborock against 96%/89% for the Dreame in our lanes, with the Dreame's 25,000 Pa rating closing any deep-pile gap a second pass would reveal. Both use anti-tangle roller systems that survived pet-hair week. Nobody buys the wrong machine on this row.

Both cleared 7 of 12 dried stains in one pass, by different philosophies. The Roborock scrubs with a 4,000-vibration sonic pad and reaches out with its FlexiArm edge mop; the Dreame counters with MopExtend pad reach plus the category's best carpet insurance — it detaches its pads entirely at the dock for carpet runs. Wet performance: even. Carpet protection: Dreame.

The Roborock's camera-plus-AI avoidance was essentially flawless in our course, in bright light and darkness. The Dreame is good — but thin cables in dim light fooled it twice in thirty runs, a mistake the Roborock never made. If your floors carry cable clutter, this row decides the purchase.

At list price the Roborock costs hundreds more, and even at street prices the Dreame consistently undercuts it while matching the feature list: hot-wash dock, drying, extending edge hardware, monster suction. Unless the Roborock's avoidance advantage matters in your home, the Dreame buys the same lifestyle for less.