Ryobi
Ryobi RY40250 40V Expand-It Attachment Capable String Trimmer
$149Cheaper
Best String Trimmers · head-to-head
Ryobi RY40250 40V Expand-It Attachment Capable String Trimmer vs Greenworks Pro ST80L210 80V 16" Brushless String Trimmer
A sourced, side-by-side comparison. Ryobi RY40250 40V Expand-It Attachment Capable String Trimmer is cheaper at $149. Every spec and price links to its source.
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Greenworks
Greenworks Pro ST80L210 80V 16" Brushless String Trimmer
$229
Which is better: the Ryobi RY40250 40V Expand-It Attachment Capable String Trimmer or Greenworks Pro ST80L210 80V 16" Brushless String Trimmer?
The Greenworks Pro ST80L210 80V 16" Brushless String Trimmer wins 1 of the 1 specs we compare head to head; the other wins 0. The Ryobi RY40250 40V Expand-It Attachment Capable String Trimmer is the cheaper at $149. Get the Greenworks Pro ST80L210 80V 16" Brushless String Trimmer for the stronger spec sheet, the Ryobi RY40250 40V Expand-It Attachment Capable String Trimmer to spend less.
See Ryobi RY40250 40V Expand-It Attachment Capable String Trimmer on Amazon See Greenworks Pro ST80L210 80V 16" Brushless String Trimmer on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Ryobi RY40250 40V Expand-It Attachment Capable String Trimmer | Greenworks Pro ST80L210 80V 16" Brushless String Trimmer |
|---|---|---|
| US price | $149 | $229 |
| Brand | Ryobi | Greenworks |
| Released | — | — |
| Power source | battery | battery |
| Cutting swath (in) | 15 in | 16 in |
| Shaft type | straight | straight |
| Line diameter (in) | 0.080 in | 0.080 in |
| Feed type | bump | bump |
| Engine cc or voltage | 40 V | 80 V |
| Weight (lb) | 8.92 | 7 |
| Release year | — | — |
Sources — Ryobi RY40250 40V Expand-It Attachment Capable String Trimmer: ryobitools.com (verified 2026-06-19). Greenworks Pro ST80L210 80V 16" Brushless String Trimmer: greenworkstools.com (verified 2026-06-19).
What's the difference between the Ryobi RY40250 40V Expand-It Attachment Capable String Trimmer and Greenworks Pro ST80L210 80V 16" Brushless String Trimmer?
Where the two actually differ on the specs we track (3 of 7). Matching specs are omitted.
- Cutting swath (in): Ryobi RY40250 40V Expand-It Attachment Capable String Trimmer 15 in vs Greenworks Pro ST80L210 80V 16" Brushless String Trimmer 16 in
- Engine cc or voltage: Ryobi RY40250 40V Expand-It Attachment Capable String Trimmer 40 V vs Greenworks Pro ST80L210 80V 16" Brushless String Trimmer 80 V
- Weight (lb): Ryobi RY40250 40V Expand-It Attachment Capable String Trimmer 8.92 vs Greenworks Pro ST80L210 80V 16" Brushless String Trimmer 7