Ryobi One P505 18V Lithium Ion Cordless 5 1/2" vs Worx WX439L 4.5 Amp WORXSAW 4.5" Electric Compact
Updated July 2026 — Ryobi One P505 18V Lithium Ion Cordless 5 1/2" wins on power and bevel, Worx WX439L 4.5 Amp WORXSAW 4.5" Electric Compact wins on price.
The Ryobi One P505 offers better portability and value, while the Worx WX439L excels in compact design and ease of use.
Why Ryobi One P505 18V Lithium Ion Cordless 5 1/2" is better
Price
Ryobi is $44.89 compared to Worx at $72.37.
Portability
Ryobi is cordless, allowing for greater mobility.
Cutting Speed
Ryobi operates at 4,700 RPM, higher than Worx's 4,100 RPM.
Why Worx WX439L 4.5 Amp WORXSAW 4.5" Electric Compact is better
Weight
Worx is designed for one-handed operation, making it lighter.
Dust Management
Worx includes a dust port for cleaner workspaces.
Compact Size
Worx has a smaller blade, making it easier to maneuver.
Overall score
Specifications
| Spec | Ryobi One P505 18V Lithium Ion Cordless 5 1/2" | Worx WX439L 4.5 Amp WORXSAW 4.5" Electric Compact |
|---|---|---|
| Blade Size | 5.5" | 4.5" |
| RPM | 4700 | 4100 |
| Power Source | Cordless | Electric |
| Bevel Angle | 50° | 45° |
| Weight | 8 lbs | 5 lbs |
Dimension comparison
Overview of the Ryobi One P505 and Worx WX439L
The Ryobi One P505 is priced at $44.89, making it about 38% cheaper than the Worx WX439L, which retails for $72.37. This price difference may be a significant factor for budget-conscious consumers. Both circular saws cater to DIY enthusiasts but offer distinct features that could affect your purchasing decision.
The Ryobi One P505 is a cordless model, providing portability for various projects around the home, while the Worx WX439L is an electric saw designed for one-handed operation. Understanding the unique advantages of each tool will help you choose the right one for your needs.
Design and Usability
The design of the Ryobi One P505 emphasizes both ergonomics and visibility, featuring a rubber overmold grip that enhances handling. This is particularly beneficial for extended use, as it reduces fatigue. In contrast, the Worx WX439L is engineered for one-handed operation, with a slim form factor that makes it lightweight and easily maneuverable.
Both tools incorporate user-friendly features such as adjustable bevel capabilities; the Ryobi can adjust up to 50 degrees, while the Worx allows for bevel cuts up to 45 degrees. The Ryobi's transparent lower guard adds an element of visibility, enabling users to see their cutting lines clearly, while the Worx includes a dust port for cleaner workspaces.
Cutting Capacity and Performance
The Ryobi One P505 boasts an impressive 4,700 RPM, delivering power comparable to corded models despite its cordless design. This high speed allows it to tackle various cutting tasks effectively. In comparison, the Worx WX439L operates at a slightly lower speed of 4,100 RPM but is designed to cut through 2x4 lumber with ease.
While the Ryobi is equipped with a 5 1/2" blade, the Worx features a smaller 4 1/2" blade, which may be advantageous for those seeking a more compact saw. The smaller blade requires less power to achieve similar speeds to larger saws, reducing strain on the motor and extending the tool's lifespan.
Cutting Depth and Adjustability
The Ryobi One P505 excels in cutting depth and adjustability, capable of cutting at a variety of angles with its adjustable bevel feature. This allows for versatile applications, whether for straight cuts or angled designs. The onboard compartment for a wrench also facilitates quick blade changes, catering to users who need efficiency in their workflow.
On the other hand, the Worx WX439L offers a cutting depth of up to 2 inches, which is sufficient for most home projects. The easy lever mechanism allows for quick depth adjustments, making it user-friendly for those who may not have extensive experience with saws. Both tools provide adjustability, but the Ryobi offers a broader range of angles, enhancing its versatility.
Portability and Power Source
Portability is a key feature of the Ryobi One P505, as it operates on an 18V lithium-ion battery (not included), allowing users to take it anywhere without worrying about power outlets. This makes it ideal for outdoor projects or remote job sites where power access may be limited.
Conversely, the Worx WX439L is an electric saw, requiring a power source for operation. While this can limit mobility, it does provide continuous power without the need for battery replacements. Users who prefer a cordless option for flexibility will likely gravitate toward the Ryobi, while those who value consistent power may favor the Worx.
Price and Value
At $44.89, the Ryobi One P505 presents a compelling value, being about 38% cheaper than the Worx WX439L, which is priced at $72.37. This significant price difference could be a deciding factor for those on a budget or those who want a reliable tool without the premium price tag.
Despite the higher cost, the Worx WX439L offers features like one-handed operation and a compact design that may justify the investment for some users. Ultimately, the choice between the two may come down to how much value you place on price versus specific features.
Customer Reception and Sales Rank
The Ryobi One P505 holds a sales rank of 18,485, indicating a solid customer reception and popularity among users seeking reliable circular saws. Its affordability and strong performance likely contribute to its favorable ranking in the market.
In contrast, the Worx WX439L has a sales rank of 69,652, suggesting that it may not be as widely favored among consumers. The higher price point may deter some potential buyers, even though it offers unique features like a lightweight design and one-handed operation.
Which should you buy?
When deciding between the Ryobi One P505 and the Worx WX439L, consider your specific needs. If you prioritize portability, affordability, and versatility in cutting capabilities, the Ryobi One P505 is the better choice. Its cordless design and multiple adjustability options make it an excellent tool for various DIY projects.
However, if you prefer a lightweight, compact saw that allows for one-handed operation and you’re willing to invest more for those features, the Worx WX439L could be the right fit. Ultimately, the decision hinges on your budget, preferred power source, and the specific tasks you plan to tackle.

