CRAFTSMAN V20 4-1/ vs Ryobi P506 One+ Lithium Ion 18V 5 1/
Updated July 2026 — CRAFTSMAN V20 4-1/ wins on price and weight, Ryobi P506 One+ Lithium Ion 18V 5 1/ wins on rpm and bevel angle.
The CRAFTSMAN V20 offers superior performance and safety features, while the Ryobi P506 is more budget-friendly and compatible with existing batteries.
Why CRAFTSMAN V20 4-1/ is better
Performance
CRAFTSMAN has a brushless motor for better runtime.
Safety Features
CRAFTSMAN includes an electronic blade brake.
Cutting Versatility
CRAFTSMAN can cut 2x material at 90°.
Why Ryobi P506 One+ Lithium Ion 18V 5 1/ is better
Price
Ryobi is $30 cheaper.
Battery Compatibility
Ryobi works with all RYOBI 18V ONE+ batteries.
Weight
Ryobi is lighter, making it easier to handle.
Overall score
Specifications
| Spec | CRAFTSMAN V20 4-1/ | Ryobi P506 One+ Lithium Ion 18V 5 1/ |
|---|---|---|
| Motor Type | Brushless | Brushed |
| Max RPM | 4500 | 4700 |
| Safety Features | Blade Brake | None |
| Cutting Capacity | 2x at 90° | 1-9/16 in. depth |
| Battery Type | Bare Tool | ONE+ System |
Dimension comparison
Price Comparison
The CRAFTSMAN V20 4-1/2 Inch Cordless Circular Saw is priced at $99.00, while the Ryobi P506 One+ is available for $69.00, making it about 30% cheaper. This price difference is significant for budget-conscious consumers or those seeking value in their tool purchases. Given that both products are bare tools, the Ryobi's lower price could appeal to those looking to save without compromising essential features. However, the CRAFTSMAN's higher price may reflect its performance capabilities, particularly regarding its brushless motor.
Performance
The CRAFTSMAN features a brushless motor that delivers up to 4,500 no-load RPM, which enhances its cutting efficiency. In comparison, the Ryobi offers a maximum speed of 4,700 RPM. While the Ryobi has a slight edge in speed, the CRAFTSMAN's brushless motor is designed for better runtime and durability. This difference could influence user experience, especially in prolonged tasks. Both saws are capable of cutting through a variety of materials, but the choice could depend on whether you prioritize speed or longevity in motor performance.
Cutting Capacity
The cutting capacities of both saws cater to different needs. The CRAFTSMAN can cut 2x material at 90° and 1x at 45°, allowing for versatile applications in woodworking. On the other hand, the Ryobi features a 5-1/2 inch blade with a 1-9/16 inch depth of cut and can handle angled cuts of up to 50°. This flexibility in the Ryobi may appeal to users who frequently require bevel cuts. Ultimately, the choice between the two may hinge on the specific cutting tasks you plan to undertake.
Design and Ease of Use
In terms of design, both saws offer features that enhance usability. The CRAFTSMAN includes an auxiliary handle for one-handed operation, making it easier to maneuver in tight spaces. It also has an on-board front dust port for dust control, which is essential for maintaining a clean workspace. Conversely, the Ryobi incorporates a GRIPZONE overmold for improved grip and comfort during use, along with an integrated laser guide for enhanced cutline visibility. Depending on your preferences, one design may be more appealing than the other.
Safety Features
Safety is an important consideration when using power tools. The CRAFTSMAN is equipped with an electronic blade brake that stops the blade quickly, potentially reducing the risk of accidents. The Ryobi does not explicitly mention any advanced safety features, although its design aims to enhance user comfort and control. For users who prioritize safety features, the CRAFTSMAN's blade brake may provide a compelling reason to lean towards this model.
Battery Compatibility
Battery compatibility can greatly influence the convenience of tool use. The CRAFTSMAN is sold as a bare tool, meaning the battery and charger are sold separately, which is important to note for new buyers. In contrast, the Ryobi is part of the ONE+ system, meaning it works with all RYOBI 18-Volt ONE+ System batteries. This compatibility not only provides flexibility for existing Ryobi users but also implies easier access to power without the need for additional purchases, making the Ryobi a more appealing choice for those who already own RYOBI tools.
Sales Rank and Popularity
The CRAFTSMAN has a sales rank of 64,257, while the Ryobi sits at a higher rank of 100,142. This difference may indicate that the CRAFTSMAN is more popular among buyers, potentially reflecting user satisfaction and trust in the brand. However, it is also important to consider that the Ryobi is part of a larger tool system, which might attract a different customer base. The popularity of each brand could influence consumer perceptions and decisions, particularly for first-time buyers.
Which should you buy?
Choosing between the CRAFTSMAN V20 4-1/2 Inch Cordless Circular Saw and the Ryobi P506 One+ ultimately depends on your specific needs and preferences. If you prioritize performance, safety features, and cutting versatility, the CRAFTSMAN may be the better option for you, despite its higher price. However, if you are looking for a more budget-friendly option with good cutting capacity and battery compatibility, the Ryobi could be the way to go. Consider what features are most important to you to make the best decision.

