Ryobi
Ryobi 40V HP Brushless 21" Self-Propelled (RY401140)
$549
Released 2020
Best Lawn Mowers · head-to-head
Ryobi 40V HP Brushless 21" Self-Propelled (RY401140) vs Greenworks Pro 80V 21" Self-Propelled (MO80L410)
A sourced, side-by-side comparison. Greenworks Pro 80V 21" Self-Propelled (MO80L410) is cheaper at $400. Every spec and price links to its source.
Greenworks
Greenworks Pro 80V 21" Self-Propelled (MO80L410)
$400Cheaper
Which is better: the Ryobi 40V HP Brushless 21" Self-Propelled (RY401140) or Greenworks Pro 80V 21" Self-Propelled (MO80L410)?
On the specs we track, they're closely matched. The Greenworks Pro 80V 21" Self-Propelled (MO80L410) is the cheaper at $400.
See Ryobi 40V HP Brushless 21" Self-Propelled (RY401140) on Amazon Check Greenworks Pro 80V 21" Self-Propelled (MO80L410) price
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Ryobi 40V HP Brushless 21" Self-Propelled (RY401140) | Greenworks Pro 80V 21" Self-Propelled (MO80L410) |
|---|---|---|
| US price | $549 | $400 |
| Brand | Ryobi | Greenworks |
| Released | 2020 | — |
| Power source | battery | battery |
| Cutting width (in) | 21 | 21 |
| Self propelled | Yes | Yes |
| Engine cc or voltage | 40 V | 80 V |
| Deck material | poly (polypropylene) | steel |
| Discharge modes | mulch / bag / side discharge | mulch / bag / side discharge |
| Battery ah | 6 | 4 |
| Release | 2020 | — |
Sources — Ryobi 40V HP Brushless 21" Self-Propelled (RY401140): homedepot.com (verified 2026-06-19). Greenworks Pro 80V 21" Self-Propelled (MO80L410): amazon.com (verified 2026-06-19).
What's the difference between the Ryobi 40V HP Brushless 21" Self-Propelled (RY401140) and Greenworks Pro 80V 21" Self-Propelled (MO80L410)?
Where the two actually differ on the specs we track (3 of 7). Matching specs are omitted.
- Engine cc or voltage: Ryobi 40V HP Brushless 21" Self-Propelled (RY401140) 40 V vs Greenworks Pro 80V 21" Self-Propelled (MO80L410) 80 V
- Deck material: Ryobi 40V HP Brushless 21" Self-Propelled (RY401140) poly (polypropylene) vs Greenworks Pro 80V 21" Self-Propelled (MO80L410) steel
- Battery ah: Ryobi 40V HP Brushless 21" Self-Propelled (RY401140) 6 vs Greenworks Pro 80V 21" Self-Propelled (MO80L410) 4