DEKOPRO 20V Cordless Circular Saw, 6-1/2-Inch vs Ryobi One P505 18V Lithium Ion Cordless 5 1/2"
Updated July 2026 — DEKOPRO 20V Cordless Circular Saw, 6-1/2-Inch wins on sales rank and weight, Ryobi One P505 18V Lithium Ion Cordless 5 1/2" wins on no-load speed and bevel angle.
The DEKOPRO offers better features for professional use, while the Ryobi is a budget-friendly option for casual users.
Why DEKOPRO 20V Cordless Circular Saw, 6-1/2-Inch is better
Blade Size
DEKOPRO has a larger 6.5-inch blade.
Included Batteries
DEKOPRO includes two 4.0Ah batteries.
Build Quality
DEKOPRO is designed for job site durability.
Why Ryobi One P505 18V Lithium Ion Cordless 5 1/2" is better
Price
Ryobi is significantly cheaper at $44.89.
Sales Rank
Ryobi has a better sales rank of 18,485.
Bevel Angle
Ryobi offers a 50-degree adjustable bevel.
Overall score
Specifications
| Spec | DEKOPRO 20V Cordless Circular Saw, 6-1/2-Inch | Ryobi One P505 18V Lithium Ion Cordless 5 1/2" |
|---|---|---|
| Price | $89.99 | $44.89 |
| RPM | 4500 | 4700 |
| Battery Type | 4.0Ah | Not Included |
| Build Quality | Durable | Standard |
| Ergonomics | Comfort Grip | GripZone |
Dimension comparison
Price Comparison
When it comes to price, the Ryobi One P505 is significantly more affordable than the DEKOPRO 20V Cordless Circular Saw. Priced at $44.89, the Ryobi is about 50% cheaper than the DEKOPRO, which costs $89.99. This price difference of $45.10 could be a decisive factor for budget-conscious buyers who still want a reliable cordless circular saw for their DIY projects or household tasks. Despite the lower price, the Ryobi provides a solid performance, making it an attractive option for casual users.
Performance Metrics
In terms of performance, the DEKOPRO offers a slightly higher no-load speed of 4500 RPM compared to the Ryobi's 4700 RPM. However, the Ryobi's speed is still impressive and comparable to many corded models. The DEKOPRO features a 6.5-inch blade, which is larger than the 5.5-inch blade of the Ryobi, allowing for deeper cuts in various materials. This difference in blade size can be crucial for users who require more versatility in their cutting tasks, particularly when dealing with thicker materials.
Build Quality
Both circular saws are designed with durability in mind, but they feature different approaches. The DEKOPRO is described as having a durable quality build that withstands job site use, ensuring long-lasting performance. On the other hand, the Ryobi features a clear polyurethane lower guard that enhances visibility during cuts. While both tools are built for resilience, the DEKOPRO may appeal more to professionals seeking a robust option for rigorous tasks, while the Ryobi is well-suited for general household use.
Ergonomics and Comfort
Ergonomics play a vital role in user experience, and here, both products have unique features designed for comfort. The DEKOPRO has an ergonomic handle that offers a comfortable grip and reduces hand fatigue, which can be invaluable during prolonged use. Alternatively, the Ryobi includes a GripZone overmold on its handles, enhancing friction and improving control. The addition of an extra side handle on the Ryobi also aids visibility and stability during cuts, making it easier for users to manage their tasks accurately.
Cutting Versatility
For cutting versatility, the DEKOPRO boasts an adjustable bevel of 0 - 45 degrees, useful for various cutting angles. This feature is complemented by a laser aid for improved visibility, allowing users to make precise cuts. The Ryobi, on the other hand, has an adjustable bevel that can reach up to 50 degrees, offering slightly greater flexibility for different applications. This added versatility can be beneficial for users who frequently work on angled cuts or intricate projects.
Battery Compatibility
Battery compatibility is another essential factor to consider, particularly for users who already own power tools. The DEKOPRO comes with two 4.0Ah batteries and a charger included in the package, providing immediate usability right out of the box. In contrast, the Ryobi One P505 is sold as a tool only, meaning that users must purchase a compatible 18V battery separately. This could add to the overall cost for those who do not already own Ryobi batteries, making the DEKOPRO a more convenient option for first-time buyers.
Sales Ranking
While sales rank may not directly influence performance, it can indicate customer satisfaction and popularity. The DEKOPRO holds a bestseller rank of 30,746, while the Ryobi One P505 has a better rank of 18,485. This suggests that more customers are opting for the Ryobi, possibly due to its lower price point and solid performance. For buyers considering long-term satisfaction and reliability, the higher sales rank of the Ryobi may be a compelling factor in their decision-making process.
Which should you buy?
Deciding between the DEKOPRO 20V Cordless Circular Saw and the Ryobi One P505 ultimately hinges on your specific needs and budget. If you prioritize a larger blade size, included batteries, and a robust build suitable for professional use, the DEKOPRO is a compelling choice at $89.99. However, if you're looking for a more budget-friendly option that still offers good performance, ergonomic features, and versatility for household tasks, the Ryobi at $44.89 is about 50% cheaper and highly rated by users. Consider what features matter most for your projects to make the best decision.

