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ALLOYMAN 20V Cordless Mini Circular Saw, Brushless vs Ryobi P506 One+ Lithium Ion 18V 5 1/

Updated July 2026 — ALLOYMAN 20V Cordless Mini Circular Saw, Brushless wins on rpm and safety, Ryobi P506 One+ Lithium Ion 18V 5 1/ wins on blade size and weight.

The ALLOYMAN offers superior speed and precision, while the Ryobi is more budget-friendly with a larger blade. Choose based on your specific needs.

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

Speed

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

Precision

ALLOYMAN features adjustable depth control for accurate cuts.

Safety

ALLOYMAN includes advanced safety features like forward/reverse cutting direction.

Why Ryobi P506 One+ Lithium Ion 18V 5 1/ is better

Price

Ryobi is priced at $69.00, making it more economical.

Blade Size

Ryobi has a larger 5-1/2 inch blade for deeper cuts.

Compatibility

Ryobi works with all RYOBI 18-Volt ONE+ System batteries.

Overall score

ALLOYMAN 20V Cordless Mini Circular Saw, Brushless
85
Ryobi P506 One+ Lithium Ion 18V 5 1/
75

Specifications

SpecALLOYMAN 20V Cordless Mini Circular Saw, BrushlessRyobi P506 One+ Lithium Ion 18V 5 1/
Motor TypeBrushlessBrushed
Max RPM18,0004,700
Cut Depth0.83 in1-9/16 in
Included Blades31
Battery IncludedYesNo

Dimension comparison

ALLOYMAN 20V Cordless Mini Circular Saw, BrushlessRyobi P506 One+ Lithium Ion 18V 5 1/

Overview of the ALLOYMAN and Ryobi Circular Saws

The ALLOYMAN 20V Cordless Mini Circular Saw is priced at $79.99, while the Ryobi P506 One+ Lithium Ion 18V Circular Saw is more economical at $69.00, making it about 17% cheaper than the ALLOYMAN. Both products cater to different user needs and preferences, with the ALLOYMAN focusing on high RPM and compact design, while the Ryobi offers a larger blade size and integrated laser guide for precision cutting.

Performance Comparison

The ALLOYMAN mini circular saw boasts an impressive brushless motor that delivers up to 18,000 RPM, offering fast and clean cutting performance for various materials. In contrast, the Ryobi operates at a maximum of 4,700 RPM, which may be sufficient for general woodworking tasks but falls short of the ALLOYMAN's capability. This significant difference in RPM highlights the ALLOYMAN's potential for quicker and more efficient cutting, especially in tougher materials like metal or PVC.

Cutting Depth and Precision

When it comes to cutting depth, the ALLOYMAN provides an adjustable depth control system, allowing cuts up to 0.83 inches. This feature enables users to achieve precise cuts with minimal material waste. The Ryobi, with a 5-1/2 inch blade, offers a depth of cut of 1-9/16 inches, which allows for deeper cuts but lacks the adjustable precision of the ALLOYMAN. This makes the ALLOYMAN a better choice for users who prioritize accuracy and control in their cutting tasks.

Design and Usability

ALLOYMAN's design focuses on compactness with a 3-inch blade, making it ideal for tight spaces and overhead work. The tool's balanced body allows for easy handling, especially in confined areas where larger saws may struggle. On the other hand, the Ryobi features a larger 5-1/2 inch blade and is designed for more traditional cutting tasks, making it less suitable for intricate or tight jobs. Users may find the portability of the ALLOYMAN advantageous for specific applications.

Safety Features

Safety is a critical aspect of power tools, and both saws offer features aimed at enhancing user safety. The ALLOYMAN includes a forward and reverse cutting direction that allows for better control and reduced kickback, making it safer during operation. The adjustable safety guard also provides protection from sparks and debris. The Ryobi includes a GRIPZONE overmold for comfort and grip, but lacks the advanced safety features present in the ALLOYMAN. Consequently, the ALLOYMAN may be the safer option for users concerned about kickback and handling in awkward positions.

Battery and Power System

The ALLOYMAN comes with two 4.0Ah batteries and a charger, providing a comprehensive power solution right out of the box. This can be particularly beneficial for users who need extended run time without interruptions. In contrast, the Ryobi does not include a battery in its package, requiring users to purchase it separately or use existing batteries from the Ryobi ONE+ system. For those who already own Ryobi batteries, this may not be an issue, but it could add to the overall cost for new users.

Sales Rank Comparison

The ALLOYMAN has a sales rank of 114,947, while the Ryobi P506 holds a slightly better rank of 100,142. This suggests that the Ryobi may have a stronger presence in the market, possibly due to its established brand and versatility. However, the ALLOYMAN's innovative features and performance could appeal to a different set of users, particularly those looking for a compact and powerful saw.

Which should you buy?

Choosing between the ALLOYMAN 20V Cordless Mini Circular Saw and the Ryobi P506 One+ Circular Saw ultimately depends on your specific needs. If you prioritize cutting speed, precision, and safety features, the ALLOYMAN is an excellent choice, albeit at a higher price of $79.99. However, if you're looking for a more budget-friendly option that still performs well for general tasks, the Ryobi, priced at $69.00 and offering a larger blade, may be more suitable. Consider the types of projects you'll be tackling to make the best decision for your toolkit.