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Greenworks 24V Brushless 4-1/2" Compact Circular vs Ryobi P506 One+ Lithium Ion 18V 5 1/

Updated July 2026 — Greenworks 24V Brushless 4-1/2" Compact Circular wins on speed and weight, Ryobi P506 One+ Lithium Ion 18V 5 1/ wins on value.

The Greenworks saw excels in speed and efficiency, while the Ryobi offers better compatibility and value for existing users.

Why Greenworks 24V Brushless 4-1/2" Compact Circular is better

Speed

Greenworks has a max speed of 6500 RPM vs Ryobi's 4700 RPM.

Run-Time

Greenworks offers 20% more power and 35% more run-time.

Features

Includes a vacuum suction tube for cleaner workspace.

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

Price

Ryobi is priced at $69.00, making it cheaper.

Compatibility

Works with all Ryobi 18-Volt ONE+ batteries.

Bevel Capacity

Ryobi has a bevel capacity of 50 degrees.

Overall score

Greenworks 24V Brushless 4-1/2" Compact Circular
85
Ryobi P506 One+ Lithium Ion 18V 5 1/
77

Specifications

SpecGreenworks 24V Brushless 4-1/2" Compact CircularRyobi P506 One+ Lithium Ion 18V 5 1/
Max RPM65004700
Cut Depth 0°1.52"1.56"
Bevel Capacity45°50°
Battery Type24V Li-ion18V Li-ion
WeightLightLight

Dimension comparison

Greenworks 24V Brushless 4-1/2" Compact CircularRyobi P506 One+ Lithium Ion 18V 5 1/

Overview of the Greenworks 24V Brushless 4-1/2" Compact Circular Saw

The Greenworks 24V Brushless 4-1/2" Compact Circular Saw is priced at $74.99, making it a solid option for those seeking a lightweight and efficient tool. This saw features a high-efficiency brushless motor that delivers up to 50% more run-time compared to traditional motors, and it can reach a maximum speed of 6,500 RPM. With a maximum cutting depth of 1.52 inches at 0 degrees and 1.12 inches at 45 degrees, this saw is designed to handle various cutting tasks effectively. Additionally, it includes a vacuum suction tube to maintain a clean workspace, which is a unique feature not often found in similar products.

Overview of the Ryobi P506 One+ Circular Saw

The Ryobi P506 One+ Circular Saw comes at a slightly lower price of $69.00, making it about 8% cheaper than the Greenworks model. This cordless saw operates at a maximum speed of 4,700 RPM, which is 28% slower than the Greenworks model. However, it has a bevel capacity of up to 50 degrees, allowing for versatile angled cuts. The integrated laser guide provides enhanced cutline visibility, which can aid in achieving accurate cuts. This saw is compatible with the entire Ryobi 18-Volt ONE+ system, which is a significant advantage for users already invested in that ecosystem.

Performance Comparison

In terms of performance, the Greenworks saw clearly takes the lead with its brushless motor and higher RPM of 6,500. This speed allows for quicker cuts and potentially better performance on tougher materials. The Ryobi saw, while slightly slower at 4,700 RPM, offers a unique feature in its laser guide that aids precision. Users who prioritize speed may find the Greenworks model more appealing, while those focused on accuracy in cuts might appreciate the Ryobi's laser guide feature. The differing RPMs and cutting depths indicate that the Greenworks may be better suited for heavier tasks, while the Ryobi could excel in projects requiring meticulous cutting.

Design and Usability

The design of the Greenworks 24V Circular Saw emphasizes portability and ease of use. Its lightweight and compact design, coupled with an LED worklight, makes it ideal for working in dark or tight spaces. On the other hand, the Ryobi P506 also focuses on user comfort with its GRIPZONE overmold for better grip and control. Both tools are designed for ease of use, but the Greenworks model stands out due to its additional features like the vacuum suction tube, which helps maintain a cleaner work area. This can be particularly beneficial for DIYers or professionals who value a tidy workspace.

Battery and Compatibility

The Greenworks saw requires a 24V lithium-ion battery, which is sold separately. However, it boasts a 20% increase in power and a 35% increase in run-time compared to traditional batteries. This feature can significantly enhance the overall efficiency during use. In contrast, the Ryobi P506 is part of the Ryobi ONE+ system, meaning it works with all Ryobi 18-Volt batteries. This compatibility can be a major selling point for consumers who already own Ryobi tools, as it allows them to use the same battery across multiple devices, creating a more convenient experience.

Pricing and Value

With the Greenworks saw priced at $74.99 and the Ryobi saw at $69.00, the Ryobi offers a more budget-friendly option, being about 8% cheaper. However, the Greenworks saw provides features such as a higher RPM and better run-time that could justify the additional cost for some users. When considering value, buyers should assess their specific needs. If speed and efficiency are paramount, the Greenworks model may be worth the extra investment. However, for users who prioritize savings and already have Ryobi batteries, the Ryobi P506 could represent a better overall value.

Sales Rank and Popularity

The Greenworks 24V Circular Saw holds a sales rank of 117,683, while the Ryobi P506 is positioned slightly better with a sales rank of 100,142. This difference in sales rank suggests that the Ryobi model may be more popular among consumers, potentially indicating higher user satisfaction or brand loyalty. Sales rank can often reflect consumer trust and product performance over time, making it a noteworthy consideration for buyers.

Which should you buy?

Choosing between the Greenworks 24V Brushless 4-1/2" Compact Circular Saw and the Ryobi P506 One+ Circular Saw ultimately depends on your specific needs and preferences. If you prioritize speed and performance, the Greenworks model's higher RPM and superior run-time may be worth the extra cost. Alternatively, if you're looking for a more affordable option and already have Ryobi batteries, the Ryobi P506 offers great value with its laser guide and ergonomic design. Assessing how each tool aligns with your project requirements and existing tool inventory will guide you toward the best decision for your woodworking or DIY needs.