Worx WX439L Saw
- Saw
- 4.5 inches
- 540 watts
- Corded electric
- More reviewed than 75%
A compact 4 pound corded saw with a 4.5 inch capacity, suited to light cutting on trim and thin material rather than heavy construction work.
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How it ranks among the 265 saws we track
4.4★ across 1,200 Amazon ratings, Bayesian-smoothed toward the category average.
1,200 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
100+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 265 saws we track - how the scorecard works · full saws data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The Worx WX439L is a corded 120 volt saw with a 540 watt motor running at 4,100 RPM, weighing about 4 pounds with a 4.5 inch cutting capacity. The high speed steel spec most likely refers to the blade material rather than the tool housing.
At 4 pounds with a 4.5 inch capacity, this reads as a compact circular saw built for one handed cutting rather than a full sized construction saw, which fits Worx's line of compact corded power tools. The 540 watt motor and 4,100 RPM speed are modest compared to full size circular saws, so expect it to handle plywood, trim and similar light material rather than thick dimensional lumber. No description or review text is available to confirm real world cutting results.
- Brand: WORX
- Model: WX439L
- Motor: 540 watts, 4,100 RPM
- Weight: about 4 lb
Who it's for
Fits someone who wants a lightweight corded saw for small cuts, trim work or crafts rather than framing lumber. Not a fit for a builder who needs a full size circular saw with deeper cutting capacity.
Strengths and trade-offs
Drawn from this product's published specifications.
- Lightweight at about 4 pounds for one handed use
- 540 watt motor with a 4,100 RPM cutting speed
- Corded power avoids battery runtime limits
- 4.5 inch capacity limits it to thinner material
- Not built for thick dimensional lumber or framing
- No description or review text to confirm real world performance
Performance notes
A 540 watt motor at 4,100 RPM is modest next to full size circular saws, which favors control and light weight over raw cutting power. The 4.5 inch capacity and 4 pound weight point to a compact tool meant for one handed use on thinner material. The high speed steel spec likely describes the blade, which holds an edge well on wood and light composite material.
Specifications
| Brand | WORX |
|---|---|
| Model | WX439L |
| Dimensions & fit | |
| Item Weight | 4 pounds |
| Capacity & performance | |
| Capacity | 4.5 inches |
| Speed | 4100 rpm |
| Power & efficiency | |
| Motor Power | 540 watts |
| Power Source | Corded electric |
| Voltage | 120 volts |
| Construction & materials | |
| Material | High Speed Steel |
Other WORX saws
How it compares
This product against the closest alternatives we track in saws.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Worx WX439L SawThis product | 4.4 / 5 | 1,200 | 4.1 / 5 |
| DEWALT DCS334B SawDeWalt | 4.8 / 5 | 9,477 | 4.7 / 5 |
| SKIL 5280-01 SawSkil | 4.7 / 5 | 14,300 | 4.6 / 5 |
| Milwaukee 2719-20 SawMILWAUKEE | 4.8 / 5 | 6,485 | 4.5 / 5 |
| BLACK+DECKER BDEJS600C SawBLACK+DECKER | 4.7 / 5 | 11,123 | 4.5 / 5 |
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Questions about the WORX WX439L
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What is the cutting capacity of the Worx WX439L?
4.5 inches, according to the listed spec.
How much does the Worx WX439L weigh?
About 4 pounds.
Is the Worx WX439L corded or battery powered?
It is corded electric, running on 120 volts.