DEWALT 20V MAX Circular Saw, Cordless Sidewinder vs Ryobi P506 One+ Lithium Ion 18V 5 1/
Updated July 2026 — DEWALT 20V MAX Circular Saw, Cordless Sidewinder wins on warranty and power, Ryobi P506 One+ Lithium Ion 18V 5 1/ wins on price.
The DEWALT 20V MAX Circular Saw outperforms the Ryobi P506 in power and build quality, making it the better choice for demanding tasks.
Why DEWALT 20V MAX Circular Saw, Cordless Sidewinder is better
Power
DEWALT has a higher RPM (5150 vs 4700)
Blade Size
DEWALT features a larger blade (6-1/2 inch vs 5-1/2 inch)
Warranty
DEWALT offers a 3-year limited warranty
Why Ryobi P506 One+ Lithium Ion 18V 5 1/ is better
Price
RYOBI is significantly cheaper at $69.00
Weight
RYOBI is lighter and easier to handle
Laser Guide
RYOBI includes an integrated laser guide for precision
Overall score
Specifications
| Spec | DEWALT 20V MAX Circular Saw, Cordless Sidewinder | Ryobi P506 One+ Lithium Ion 18V 5 1/ |
|---|---|---|
| RPM | 5150 | 4700 |
| Blade Size | 6-1/2 inch | 5-1/2 inch |
| Bevel Capacity | 0-50 degrees | 0-50 degrees |
| Warranty | 3 years | N/A |
| Price | $129.00 | $69.00 |
Dimension comparison
Overview of the DEWALT 20V MAX Circular Saw
The DEWALT 20V MAX Circular Saw stands out with its powerful motor and robust features, making it ideal for demanding cuts. Priced at $129.00, this cordless sidewinder saw boasts a 5150 RPM motor that ensures efficient cutting performance across a variety of materials. Its lightweight magnesium shoe adds durability, and it offers a bevel capacity of 0-50 degrees, allowing for versatile cutting angles. This saw is designed for serious woodworking and construction tasks, where precision and portability are key.
Overview of the Ryobi P506 One+ Circular Saw
The Ryobi P506 One+ Circular Saw is a more budget-friendly option, retailing at $69.00, making it about 46% less expensive than the DEWALT model. With a motor speed of 4700 RPM, this saw provides decent performance for lighter tasks. It features a 5-1/2 inch blade and an integrated laser guide that enhances visibility for precise cutting. Although it has a lower RPM and a slightly smaller blade size, it is still a competent choice for DIY enthusiasts and casual users looking for a reliable tool at a lower price point.
Cutting Power and Performance
In terms of cutting power, the DEWALT 20V MAX Circular Saw clearly leads the way. With a motor speed of 5150 RPM, it is designed to tackle more demanding cuts compared to the Ryobi P506, which operates at 4700 RPM. This difference in performance can be significant, especially when working with tougher materials or making deeper cuts. The DEWALT also features a 6-1/2 inch blade capable of a maximum cut depth of 2-1/8 inches at 90 degrees, which is notably better than the Ryobi's 5-1/2 inch blade that offers a maximum cut depth of 1-9/16 inches. This makes the DEWALT a superior choice for professional applications where cutting power is crucial.
Build Quality and Design
The build quality of the DEWALT 20V MAX Circular Saw is enhanced by its high-strength magnesium shoe, which provides durability and ensures long-term accuracy in cuts. The design prioritizes balance and control, aided by an optimized rubber overmolded grip. In contrast, the Ryobi P506 features the GRIPZONE overmold for improved comfort but lacks the same level of robust construction materials. For users who prioritize durability and a professional feel in their tools, the DEWALT’s design is likely to be more appealing.
Versatility and Cutting Capability
Both saws offer a bevel capacity of up to 50 degrees, allowing users to make angled cuts. However, the DEWALT's increased RPM and larger blade size provide greater versatility when cutting through thicker materials or making aggressive bevel cuts. The DEWALT is engineered for a variety of applications, making it suitable not only for woodworking but also for construction jobs requiring portability and precision. Meanwhile, the Ryobi, with its built-in laser guide, is more suited for lighter tasks and home improvement projects. Users seeking maximum versatility in their cutting capabilities will find the DEWALT to be the superior option.
Warranty and Support
The DEWALT 20V MAX Circular Saw comes with a 3-year limited warranty, offering peace of mind for buyers investing in a professional-grade tool. This warranty reflects DEWALT's confidence in the durability and longevity of their product. On the other hand, the Ryobi P506 does not specify a warranty in the provided data, which could be a disadvantage for consumers looking for reliability and support. Having a warranty can often be a deciding factor for users intending to use their tools frequently, making the DEWALT a more secure investment in this aspect.
User Experience and Comfort
User comfort is a crucial aspect when it comes to power tools, and both models strive to provide an ergonomic experience. The DEWALT features a comfort grip designed for optimal balance and control, which can help reduce fatigue during extended use. The Ryobi's GRIPZONE overmold also enhances grip, but it may not offer the same level of ergonomic design as the DEWALT. For professionals or serious DIYers who will be using the tool for longer periods, the DEWALT's design may provide a more comfortable experience overall.
Which should you buy?
The decision between the DEWALT 20V MAX Circular Saw and the Ryobi P506 One+ Circular Saw ultimately hinges on your specific needs and budget. If you require a powerful tool that can handle demanding cuts with precision, the DEWALT is the clear winner at $129.00. Its superior cutting speed, build quality, and warranty make it suitable for professional use. Conversely, if you are a casual user or a DIY enthusiast looking for a more budget-friendly option, the Ryobi at $69.00 may suffice for lighter tasks. Consider your cutting requirements and how often you plan to use the tool before making your choice.

