Ryobi One P505 18V Lithium Ion Cordless 5 1/2" vs SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm
Updated July 2026 — Ryobi One P505 18V Lithium Ion Cordless 5 1/2" wins on price and portability, SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm wins on cut size and weight.
The Ryobi One P505 is an affordable and portable option for DIY enthusiasts, while the SKILSAW SPT77W-01 offers superior power and durability for professionals.
Why Ryobi One P505 18V Lithium Ion Cordless 5 1/2" is better
Price
Ryobi is significantly cheaper at $44.89.
Portability
Ryobi is cordless, making it easier to use anywhere.
User Experience
Ryobi has a user-friendly design for casual users.
Why SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm is better
Power
SKILSAW has a 15-amp motor for heavy-duty tasks.
Build Quality
SKILSAW features robust aluminum construction.
Cutting Capability
SKILSAW has a larger 7-1/4-inch blade for bigger cuts.
Overall score
Specifications
| Spec | Ryobi One P505 18V Lithium Ion Cordless 5 1/2" | SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm |
|---|---|---|
| Motor | 18V | 15-Amp |
| Blade Size | 5-1/2 inch | 7-1/4 inch |
| RPM | 4700 | N/A |
| Bevel Angle | 50 degrees | 51 degrees |
| Construction | Plastic | Aluminum |
Dimension comparison
Price Comparison
The Ryobi One P505 is priced at $44.89, making it about 75% cheaper than the SKILSAW SPT77W-01, which costs $181.28. This significant price difference could be a deciding factor for budget-conscious consumers. While the Ryobi offers excellent value for DIY enthusiasts and light-duty tasks, the Skilsaw's higher price reflects its professional-grade features and capabilities. If you're looking for a cost-effective solution for home projects, the Ryobi is a compelling choice. However, if you're willing to invest more for enhanced performance, the SKILSAW may justify its price tag.
Power and Performance
When it comes to power, the SKILSAW SPT77W-01 stands out with its 15-amp motor, compared to the Ryobi's cordless design operating at 4,700 RPM. The SKILSAW’s motor is specifically designed to enhance cooling and extend the tool's lifespan, making it ideal for demanding jobs. On the other hand, the Ryobi’s cordless capability provides the convenience of portability without being tethered to a power outlet. For users who prioritize raw power and durability for heavy-duty applications, the SKILSAW is the better option, while the Ryobi suits lighter, more flexible tasks.
Build Quality and Design
The SKILSAW features a robust aluminum construction and is designed for professional use, promising durability and reliability on job sites. Its lightweight design, at 14.2 lbs without accessories, helps reduce user fatigue, making it easier to handle during prolonged use. In contrast, the Ryobi focuses on user-friendly features such as a rubber grip for improved handling and a transparent lower guard for visibility during cuts. While both tools offer thoughtful design elements, the SKILSAW's build quality is likely to appeal more to professionals who need a rugged, dependable tool.
Cutting Capability
In terms of cutting capability, the SKILSAW is equipped with a 7-1/4-inch blade, allowing it to handle larger materials and more extensive cuts. It also features a 51-degree bevel, which provides versatility for various cutting angles. The Ryobi, with its 5-1/2-inch blade and adjustable bevel up to 50 degrees, is suitable for lighter, household cutting tasks. If your projects require the ability to cut through larger pieces of wood or require a wider range of cut angles, the SKILSAW is the superior choice. The Ryobi, however, is adequate for most home improvement projects.
Portability
Portability is a key advantage of the Ryobi One P505, as it is a cordless circular saw powered by 18V batteries, making it suitable for use in various locations without the hassle of cords. This feature is especially beneficial for DIY projects around the house or at sites without easy access to power sources. The SKILSAW, while powerful, is corded and weighs more, which could limit its portability. For users who value ease of movement and flexibility in their projects, the Ryobi excels in this area.
User Experience
The Ryobi offers a user-friendly experience with its GripZone overmold, enhancing grip and comfort during use. The added side handle provides improved control, allowing for better visibility and precision during cuts. In contrast, the SKILSAW incorporates a Cut Ready depth-of-cut system that allows for quick and accurate depth adjustments, which can be a game-changer for professionals. Although both saws are designed for ease of use, the Ryobi may be more appealing to casual users seeking straightforward operation, while the SKILSAW's features cater to experienced users who require precision.
Sales Rank and Popularity
The Ryobi One P505 has a sales rank of 18,485, indicating a solid presence in the market, particularly among DIY enthusiasts and homeowners. Meanwhile, the SKILSAW SPT77W-01 has a sales rank of 39,282, suggesting it may not be as popular among casual users despite its professional-grade capabilities. The Ryobi's higher sales rank reflects its appeal to a broader audience, while the SKILSAW may be favored by professionals in need of specific features and performance.
Which should you buy?
Deciding between the Ryobi One P505 and the SKILSAW SPT77W-01 ultimately depends on your specific needs and budget. If you're a homeowner or a DIY enthusiast looking for a lightweight, affordable, and portable saw for basic projects, the Ryobi is a fantastic choice at $44.89. However, if you require a more powerful tool for serious woodworking or professional applications, the SKILSAW, priced at $181.28, offers enhanced performance and durability. Assess your requirements and choose the tool that best fits your project scope and budget.

