Robot Vacuum Comparison · UK 2026
Dreame D30 Ultra vs Dreame D20 Pro Plus

Specs, pros and cons compared side by side

Both the Dreame D30 Ultra and the Dreame D20 Pro Plus are robot vacuums. This head-to-head sets them side by side using the specs, pros and cons from our full reviews. Dreame specs come from Dreame’s own UK pages and manuals.

Quick verdict

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Dreame D30 Ultra

Pick it for: Station washes the mops and dries them at 50°C (the D20 Pro Plus’s station does neither) · 25,000Pa suction (the D20 Pro Plus has 13,000Pa) · Charges in about 4 hours (the D20: about 6)

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Dreame D20 Pro Plus

Pick it for: 5L dust bag lasting up to 150 days (the D30: 3.2L, up to 100 days) · Station has no water tanks to fill or empty; you fill the robot’s 350 ml tank (the D30’s station washes the mops)

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Quick comparison

Spec Dreame D30 Ultra Dreame D20 Pro Plus
Suction 25,000Pa 13,000Pa
Navigation Dynamic laser + 3DAdapt LDS + 3D line laser
Mopping Two mops, 160 RPM, 6N, RoboSwing to 4 cm, 10.5 mm lift 350 ml tank, 32 moisture levels (pad washed by hand)
Dock Empty (3.2L bag), wash, 50°C dry Auto-empty (5L bag, up to 150 days)
Runtime Up to 230 min Not stated
Smart home Alexa, Google, Siri, Matter Voice compatible (assistants not named)
Dreame D30 Ultra

Pros

  • 50°C hot-air mop drying
  • Up to 230 minutes of runtime
  • Works with Alexa, Google, Siri and Matter
  • Mop extends 4 cm to the edge

Cons

  • No automatic detergent dispenser in the manual
  • The TriCut brush is sold separately
Dreame D20 Pro Plus

Pros

  • 5L dust bag lasting up to 150 days
  • 500 ml dust box (no dust box size published for the D30)
  • 32 moisture levels for mopping
  • Simpler station with no water tanks (you fill the robot’s 350 ml tank)

Cons

  • The station doesn’t wash or dry the mop
  • You fill the water tank and wash the pad by hand
  • Slow 6-hour charge

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Which should you buy?

Why choose the Dreame D30 Ultra

  • Station washes the mops and dries them at 50°C (the D20 Pro Plus’s station does neither)
  • 25,000Pa suction (the D20 Pro Plus has 13,000Pa)
  • Charges in about 4 hours (the D20: about 6)
Why choose the Dreame D20 Pro Plus

  • 5L dust bag lasting up to 150 days (the D30: 3.2L, up to 100 days)
  • Station has no water tanks to fill or empty; you fill the robot’s 350 ml tank (the D30’s station washes the mops)

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