Quick takeaway
EGO Power Plus LM2135SP 21 inch leads this matchup 1 to 0 on measured spec rows and by 100 points overall. Greenworks 40V 20 inch Cordless is also about $180.00 cheaper at the latest tracked price.
EGO Power Plus LM2135SP 21 inch vs Greenworks 40V 20 inch Cordless
Choose EGO Power Plus LM2135SP 21 inch if...
Pick EGO Power Plus LM2135SP 21 inch if deck size are the reasons you are shopping in this category. It currently costs about $180.00 more, so make sure those wins matter to you.
Choose Greenworks 40V 20 inch Cordless if...
Pick Greenworks 40V 20 inch Cordless if its current price, brand, or design fits your shortlist better than EGO Power Plus LM2135SP 21 inch.
Side-by-side specs
This is the raw comparison view. It is there for the rows that actually decide the purchase, not just the headline winner badge.
Battery and power
| Spec | EGO Power Plus LM2135SP 21 inch | Greenworks 40V 20 inch Cordless |
|---|---|---|
| Power Source | Corded electric | Battery (cordless) |
| Voltage | - | 40V |
Dimensions
| Spec | EGO Power Plus LM2135SP 21 inch | Greenworks 40V 20 inch Cordless |
|---|---|---|
| Deck Size | 21-inch ✓ | 20-inch |
| Weight | - | 60-80 lb (battery + tool) |
General
| Spec | EGO Power Plus LM2135SP 21 inch | Greenworks 40V 20 inch Cordless |
|---|---|---|
| Brand | EGO | Greenworks |
| Category | Lawn mower | Lawn mower |
| Drive | Variable-speed rear-wheel drive | - |
| Model Number | LM2135SP | - |
| Type | Self-propelled walk-behind | Walk-behind |
The verdict
Based on 11 spec comparisons plus user ratings, the EGO Power Plus LM2135SP 21 inch comes out ahead with a stronger overall score.
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Comparison FAQ
These answers explain how the score is built, when the lower-scoring option still makes sense, and what to confirm before you buy.
What is the EGO Power Plus LM2135SP 21 inch vs Greenworks 40V 20 inch Cordless score measuring?
VSFinder compares 8 visible spec rows, then blends those wins with current price and Amazon rating signals so the page reflects both raw specs and real shopping context.
When does the lower-scoring option still make sense?
The lower-scoring model can still be the better buy if the few areas where it wins line up with how you shop. That matters most when those wins cover the exact features you care about more than the overall leader.
What should I confirm before I buy?
Confirm the live Amazon listing for price and availability, then double-check the few spec rows that matter most to your use case. We currently track $549.99 for EGO Power Plus LM2135SP 21 inch and $369.99 for Greenworks 40V 20 inch Cordless.