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Head-to-head comparison

RY40HPLM06K vs. LMB454

An independent, normalized comparison of the specifications and editorial scores that matter in your yard.

RY40HPLM06K
Product illustration for RYOBI model RY40HPLM06K

RYOBI

RY40HPLM06K

LMB454
Product illustration for Greenworks model LMB454

Greenworks

LMB454

Decision guide

Which mower should you choose?

The clearest reasons to choose either model, followed by our overall winner.

Choose RY40HPLM06K if…

    Read the full RY40HPLM06K review →

    Choose LMB454 if…

      Read the full LMB454 review →

      Overall recommendation

      RY40HPLM06K and LMB454 are evenly matched overall; choose by yard needs and power preference.

      Match my yard
      Side by side

      Technical specifications

      Compare core specifications and normalized editorial scores. Highlighted cells show the stronger measurable result.

      Specifications and scores for 40V HP Brushless 20" Push Mower Kit and 80V 21" GEN 2 Brushless 4-in-1 Push Mower
      MetricRY40HPLM06KLMB454
      Core specifications
      Manufacturer MSRPNot availableNot available
      PowerBattery · 40VBattery · 80V
      Deck width20 in21 in Category winner
      DrivePushPush
      Battery runtime50 min Category winner40 min
      WeightNot available60.6 lb

      marks the stronger value for that metric. Power is judged using the normalized performance score.

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