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Head to head · 2 products

RLL51SE_BK vs X50 Ultra

Verified specs side by side. The green tick marks the better value on each measurable row.

Comparing 2 products
RLL51SE_BK
RLL51SE_BK—Score pending
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X50 Ultra
X50 Ultra8.8Very good· Top score
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The short verdict

X50 Ultra is scored, the other is pending

We haven’t scored the RLL51SE_BK yet. Compare the measured differences and prices below.

RLL51SE_BK
—
X50 Ultra
8.8
RLL51SE_BK
    Full specs →
    Choose the X50 Ultra if
    • Homes with high thresholds and low furniture.
    Full specs →
    At a glance

    Key differences

    Measured differences only. Ties and tiny gaps are left out.
    Full specs

    Side-by-side specifications

    Camera1 difference
    Noise Db Claimed
    75
    70
    Battery & charging1 difference
    Runtime Min
    260
    220
    Design2 differences
    Weight
    13.7 kg
    4.53 kg
    Robot Width Mm
    17.99 in (45.7 cm)
    13.78 in (35 cm)
    General3 differences
    Dust bin
    3.2 L
    0.395 L
    Manufacturer Sku
    RLL51SE_BK
    6,977,328,065,032
    Model Number
    RLL51SE_BK
    X50 Ultra
    Where to buy

    Specs verified against manufacturer data. Prices in USD before tax; we may earn a commission from qualifying purchases.

    Community

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