Ryobi One P505 18V Lithium Ion Cordless 5 1/2" vs SKIL 14 Amp 7-1/4-Inch Circular Saw - 5180-01
Updated July 2026 — Ryobi One P505 18V Lithium Ion Cordless 5 1/2" wins on power, SKIL 14 Amp 7-1/4-Inch Circular Saw - 5180-01 wins on sales rank and price.
The Ryobi One P505 is a more affordable and portable option, while the SKIL 5180-01 offers greater power and cutting capacity.
Why Ryobi One P505 18V Lithium Ion Cordless 5 1/2" is better
Price
Ryobi is $15.09 cheaper than SKIL
Portability
Ryobi is cordless and lightweight
User-Friendly
Ryobi has better handling features
Why SKIL 14 Amp 7-1/4-Inch Circular Saw - 5180-01 is better
Power
SKIL has a 14 Amp motor
Blade Size
SKIL has a larger 7-1/4 inch blade
Cutting Capacity
SKIL offers a 51-degree bevel angle
Overall score
Specifications
| Spec | Ryobi One P505 18V Lithium Ion Cordless 5 1/2" | SKIL 14 Amp 7-1/4-Inch Circular Saw - 5180-01 |
|---|---|---|
| Motor Type | Cordless | Corded |
| RPM | 4700 | Not Applicable |
| Dust Blower | No | Yes |
| Grip Type | GRIPZONE | Standard |
| Battery Included | No | Yes |
Dimension comparison
Overview of the Ryobi One P505 and SKIL 5180-01
The Ryobi One P505 is priced at $44.89, while the SKIL 5180-01 is listed at $59.98. This makes the Ryobi about 25% cheaper than the SKIL model. Both circular saws cater to different user needs, with the Ryobi emphasizing portability and versatility, whereas the SKIL focuses on power and performance. Understanding their unique features will help you make an informed decision based on your specific requirements.
Power and Performance
The SKIL 5180-01 boasts a 14 Amp motor, providing more power than the Ryobi One P505, which operates on an 18V lithium-ion battery. This difference means that the SKIL is likely to handle tougher materials, such as cutting through 2x4s and plywood, with greater ease. The Ryobi, while powerful at 4,700 RPM, is designed primarily for household woodcutting tasks and is more suited for DIY projects, making it less ideal for heavy-duty tasks compared to the SKIL.
Design and Usability
The Ryobi One P505 features a lightweight cordless design, enhancing its portability and ease of use for various DIY projects around the home. It includes a GRIPZONE overmold for improved handling and an extra side handle for better control. In contrast, the SKIL 5180-01, weighing 7.2 pounds, has a more traditional design and is equipped with an improved dust blower, which keeps the line of cut clear, making it easier to achieve accurate cuts. Both saws offer unique ergonomic advantages, but their usability will depend on the tasks at hand.
Blade and Cutting Capacity
The Ryobi One P505 comes with a 5 1/2-inch blade, while the SKIL 5180-01 features a larger 7-1/4-inch blade. The larger blade size of the SKIL allows for deeper cuts and greater versatility, with a bevel capacity of up to 51 degrees. In comparison, the Ryobi's adjustable bevel can reach up to 50 degrees, making it suitable for various angled cuts, albeit with a smaller blade. This difference in blade size and cutting capacity could significantly impact your choice depending on the projects you are planning.
Battery Life and Power Source
The Ryobi One P505 is a cordless model, requiring an 18V battery, which is sold separately. This feature allows for mobility around worksites without being tethered to an outlet, making it a great choice for outdoor projects. In contrast, the SKIL 5180-01 is a corded circular saw, providing a constant power supply, which can be advantageous for extended use without worrying about battery life. If you value portability, the Ryobi might be the better option, while the SKIL offers the reliability of continuous power.
Portability and Weight
The Ryobi One P505 is designed for portability, making it ideal for users who need to move around frequently during projects. Its cordless feature gives it a significant edge in this category. The SKIL 5180-01, being a corded saw, is less portable but is still relatively light at 7.2 pounds compared to many other corded models. Users who prioritize the ability to move freely should consider the Ryobi, while those who stay in a fixed workspace might prefer the SKIL for its robust power.
Customer Feedback and Sales Rank
The Ryobi One P505 holds a sales rank of 18,485, indicating it is relatively popular among users seeking a versatile circular saw for general household tasks. On the other hand, the SKIL 5180-01 has a sales rank of 80,430, suggesting it is less favored in the marketplace. Customer feedback often highlights the Ryobi's ease of use and portability, while critiques of the SKIL focus on its weight compared to other models. These ranks can provide insight into user satisfaction and market preference.
Price Comparison
The Ryobi One P505 is priced at $44.89, while the SKIL 5180-01 is available for $59.98, making the latter about 33% more expensive. This price difference reflects the Ryobi's focus on casual DIY enthusiasts who need a reliable, affordable tool for light to moderate tasks. Conversely, the SKIL's higher price is justified by its powerful motor and enhanced cutting capabilities. When evaluating your budget and the intended use of the saw, this price disparity is an essential factor to consider.
Which should you buy?
Ultimately, the choice between the Ryobi One P505 and the SKIL 5180-01 hinges on the specific needs of the user. If you prioritize portability and a lower price, the Ryobi One P505 is an excellent choice for casual users and DIY enthusiasts. However, if you require a powerful saw for more demanding tasks and don’t mind the additional weight and corded limitations, the SKIL 5180-01 may be worth the investment. Consider your project needs, budget, and preferences carefully to select the circular saw that best fits your requirements.

