Greenworks 40V 17" String Trimmer, 8.0 Ah Kit vs Ryobi 40V HP Brushless 17" String Trimmer Kit
Two of the cordless string trimmers in our best cordless string trimmers: greenworks & ryobi compared comparison, lined up spec by spec. Every figure comes from the manufacturer pages linked below, and the scores use the same published formula as the full ranking.
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Best for: Longest runtime here: 80 min on an 8 Ah battery
Check price at AmazonBest for: Adjustable 15–17 in swath and a 6 Ah battery
Check price at AmazonSpec-by-spec comparison
Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.
| Spec | Greenworks 40V 17" String Trimmer, 8.0 Ah Kit | Ryobi 40V HP Brushless 17" String Trimmer Kit | Weight |
|---|---|---|---|
| Cutting swathThe widest cutting path the maker lists (the number in most product names). Where the swath is adjustable, we rank the widest setting. | 17 in | 17 in | 25% |
| RuntimeThe maker's longest runtime claim with the kit battery, usually at low speed. | 80 min | 67 min | 25% |
| Kit battery energyBattery energy in watt-hours, computed as volts x amp-hours of the battery or batteries the maker says come in the kit (for example 40 V x 6 Ah x 2 = 480 Wh). Bigger batteries generally mean more work per charge from the same tool. | 320 Wh | 240 Wh | 20% |
| Listed weightThe weight the maker lists. Lighter trimmers tire your arms less. Makers don't always say whether it includes the battery. | 7.1 lb | 12.95 lb | 20% |
| Brushless motorYes when the maker lists a brushless motor, which generally runs cooler and longer per charge than a brushed one. | No | Yes | 10% |
| Kit battery | 40 V 8 Ah = 320 Wh (computed) | 40 V 6 Ah = 240 Wh (computed) | info |
| Swath | Not listed | Adjustable 15–17 in | info |
| Line size | Not listed | .105 in | info |
| Shaft | Not listed | Carbon fiber straight shaft | info |
| YardPick score | 8.3/10 | 6.9/10 | 100% |
Where each one comes out ahead
Greenworks 40V 17" String Trimmer, 8.0 Ah Kit
Better published figure on: Runtime, Kit battery energy, Listed weight.
What we like
- Top runtime in this comparison (80 min)
- Top kit battery energy in this comparison (320 Wh)
Watch out for
Ryobi 40V HP Brushless 17" String Trimmer Kit
Better published figure on: Brushless motor.
What we like
Watch out for
- Highest listed weight in this comparison (12.95 lb)
Verdict
Both cut a 17 in swath. Greenworks lists 320 vs 240 Wh, 80 vs 67 min and 7.1 vs 12.95 lb; Ryobi lists a brushless motor, a carbon fiber shaft and .105 in line.
- Greenworks 40V 17" String Trimmer, 8.0 Ah Kit: Greenworks: 40V 17" String Trimmer, 8.0 Ah
- Ryobi 40V HP Brushless 17" String Trimmer Kit: Ryobi: 40V HP 17" String Trimmer Kit