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ALLOYMAN 20V Cordless Mini Circular Saw, Brushless vs Ryobi One P505 18V Lithium Ion Cordless 5 1/2"

Updated July 2026 — ALLOYMAN 20V Cordless Mini Circular Saw, Brushless wins on power and versatility, Ryobi One P505 18V Lithium Ion Cordless 5 1/2" wins on price and weight.

The ALLOYMAN 20V Cordless Mini Circular Saw offers superior power and versatility, while the Ryobi One P505 is a more budget-friendly option for basic tasks.

Why ALLOYMAN 20V Cordless Mini Circular Saw, Brushless is better

Power

ALLOYMAN has 18,000 RPM compared to Ryobi's 4,700 RPM.

Versatility

ALLOYMAN can cut wood, metal, tile, and PVC.

Included Batteries

ALLOYMAN comes with two 4.0Ah batteries.

Why Ryobi One P505 18V Lithium Ion Cordless 5 1/2" is better

Price

Ryobi is $44.89, significantly cheaper than ALLOYMAN.

Weight

Ryobi is lighter and easier to handle for basic tasks.

Brand Recognition

Ryobi has a more established reputation in the market.

Overall score

ALLOYMAN 20V Cordless Mini Circular Saw, Brushless
85
Ryobi One P505 18V Lithium Ion Cordless 5 1/2"
70

Specifications

SpecALLOYMAN 20V Cordless Mini Circular Saw, BrushlessRyobi One P505 18V Lithium Ion Cordless 5 1/2"
RPM18,0004,700
Batteries2 x 4.0AhNone
Blade Size3 inches5 1/2 inches
Cutting MaterialsWood, Metal, Tile, PVCWood
Safety FeaturesAdjustable GuardTransparent Guard

Dimension comparison

ALLOYMAN 20V Cordless Mini Circular Saw, BrushlessRyobi One P505 18V Lithium Ion Cordless 5 1/2"

Price Comparison

The ALLOYMAN 20V Cordless Mini Circular Saw is priced at $79.99, while the Ryobi One P505 costs significantly less at $44.89. This makes the Ryobi about 44% cheaper than the ALLOYMAN. Given that both tools are cordless and designed for cutting, the price difference is considerable, which may appeal to budget-conscious consumers. The ALLOYMAN offers features that justify its higher price, such as a powerful 18,000 RPM brushless motor and two included batteries. However, for those who need a basic circular saw for lighter tasks, the Ryobi provides a more economical option.

Power and Performance

In terms of power, the ALLOYMAN boasts an impressive 18,000 RPM, making it a strong contender for fast and clean cuts across various materials including wood, metal, and tile. By contrast, the Ryobi One P505 operates at a lower 4,700 RPM, which may limit its cutting speed and effectiveness for heavier-duty tasks. The brushless motor of the ALLOYMAN not only enhances performance but also reduces heat buildup, extending the tool's lifespan. Therefore, if high-speed cutting is a priority, the ALLOYMAN would be the better choice.

Cutting Versatility

The ALLOYMAN is designed with versatility in mind, with the ability to cut through metal, tile, PVC, and wood, thanks to its three included blades tailored for different materials. This adaptability makes it suitable for a variety of applications, from HVAC installations to automotive repairs. Conversely, the Ryobi One P505 is primarily geared towards wood cutting, with a 5 1/2" blade that excels in household demolition projects and DIY construction. While both tools can handle diverse tasks, the ALLOYMAN’s broader material compatibility provides an edge in versatility.

Safety Features

Safety is a critical consideration when using power tools, and both products incorporate features aimed at enhancing user safety. The ALLOYMAN includes a stable base shoe and a fully adjustable guard to protect against sparks and debris, which is beneficial for safer operation. Additionally, its forward and reverse cutting direction allows for better control and reduced kickback, especially in tight spaces. The Ryobi One P505, on the other hand, features a transparent lower guard that improves visibility while cutting, along with an extra side handle for improved control. While both offer safety enhancements, the ALLOYMAN provides more comprehensive safety features suited for a wider range of cutting scenarios.

Ease of Use

User experience varies between the two saws, with the ALLOYMAN designed for compactness and precision. Its 3-inch blade size allows for easy maneuverability in confined spaces, which is advantageous for overhead and precision work. The adjustable depth control system further enhances its ease of use, allowing for controlled and accurate cuts. The Ryobi One P505 is also user-friendly, featuring a rubber grip for better handling and a wrench compartment for quick blade changes. However, its larger blade size may limit its effectiveness in tight spaces compared to the ALLOYMAN. Overall, both tools are engineered for user comfort, but the ALLOYMAN's design may appeal more to those needing precision in confined areas.

Brand Reputation

Both Alloyman and Ryobi have established their presence in the power tools market, but Ryobi has a more extensive history and a broader customer base. The Ryobi One P505 has a sales rank of 18,485, indicating its popularity and acceptance among users. In contrast, the ALLOYMAN has a sales rank of 114,947, suggesting it is less well-known. This difference could reflect varying levels of trust and reliability associated with each brand, making Ryobi a more familiar choice for many consumers.

Battery Compatibility

Battery compatibility can significantly influence the usability of cordless tools. The ALLOYMAN comes with two 4.0Ah batteries, ensuring you have enough power for extended use without interruption. In contrast, the Ryobi One P505 does not include batteries, which could be a downside for customers who do not already own Ryobi's compatible 18V batteries. While the ALLOYMAN provides a complete package for immediate use, the Ryobi's dependency on separate battery purchases may deter some potential buyers who prefer an all-in-one solution.

Which should you buy?

Ultimately, the choice between the ALLOYMAN 20V Cordless Mini Circular Saw and the Ryobi One P505 comes down to your specific needs. If you're looking for high performance, versatility, and enhanced safety features, the ALLOYMAN is worth the higher investment at $79.99. However, if you're on a budget and primarily need a saw for basic woodcutting tasks, the Ryobi One P505 at $44.89 is a solid option. Consider your cutting requirements and brand preferences, as both tools have their merits and target different user bases.