Dreame X50 Ultra vs Roborock S8 Max Ultra

Last updated: November 9, 2026

The Dreame X50 Ultra is the better robot vacuum overall, rated 4.1 to 3.4. The Dreame X50 Ultra leads on cleaning, mopping and navigation. The Roborock S8 Max Ultra costs $50 less ($949.99 vs $999.99).

Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.

Dreame X50 Ultra vs Roborock S8 Max Ultra

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every self-cleaning dock robot vacuum; a clear win is highlighted. How we rank explains each one.

Factor weightDreame X50 UltraRoborock S8 Max Ultra
Overall rating4.1/53.4/5
Cleaning 30%70 measured 83% of sand from carpet, 97.5% of pet hair, no hair tangled18 measured 72% of sand from carpet, 75% of pet hair, some hair tangled (0.6)
Value 25%36 $1,00039 $950
Dock 20%100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent, optional water hookup
Navigation 15%100 LiDAR + camera85 LiDAR + 3D light
Mopping 10%86 Dual spinning pads, leaves its mop at the dock for carpet, extends to edges62 Vibrating pad, lifts 20 mm, extends to edges

Independent tests

Dreame X50 Ultra

Tested byCarpet deep cleanPet hairHair tangle (0 = none)Area per chargeConditions
Vacuum Wars83%97.5%01,125 sq ftEmbedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped).

Roborock S8 Max Ultra

Tested byCarpet deep cleanPet hairHair tangle (0 = none)Area per chargeConditions
Vacuum Wars72%75%0.61,006 sq ftEmbedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet; 7 in hair tangle on hard floor (0 = none wrapped).

Specifications

Dreame X50 UltraRoborock S8 Max Ultra
Vacuum
Claimed suction20,000 Pa8,000 Pa
Main brushHyperStream Detangling DuoBrush (two separate brushes)DuoRoller Riser dual rubber brushes
Dustbin395 mL-
Extending side brushYesYes
Mopping
MopDual spinning pads, leaves its mop at the dock for carpet, extends to edgesVibrating pad, lifts 20 mm, extends to edges
Mop lift10.5 mm20 mm
Leaves mop at dockYesNo
Extending mopYesYes
Dock
DockWashes mop + emptiesWashes mop + empties
Self-emptiesYesYes
Washes mopYesYes
Hot-water washYesYes
Hot-air dryingYesYes
Detergent dosingYesYes
Water hookup option-Yes
Clean water tank4.5 L-
Navigation & app
NavigationLiDAR + cameraLiDAR + 3D light
Obstacle avoidanceAI camera with LED light, recognises up to 200 object types3D structured light (Reactive 3D)
Climbs thresholds60 mm-
MatterYes-
Voice assistantsAlexa, Siri, Google HomeAlexa, Google Assistant, Siri Shortcuts
Build
Height3.5 in (89 mm)3.8 in (97 mm)
Retracting LiDARYesNo
Battery6,400 mAh5,200 mAh
Run timeUp to 3 h 40 min-
Weight10 lb (4.5 kg)-
Warranty3 years-
Released2025-022024-04

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