Milwaukee 2730-20 M18 Fuel 6 1/2" Circular Saw , Brushless vs Milwaukee M18 FUEL 7-1/
Updated July 2026 — Milwaukee 2730-20 M18 Fuel 6 1/2" Circular Saw , Brushless wins on price, Milwaukee M18 FUEL 7-1/ wins on battery life and power.
The Milwaukee M18 FUEL 7-1/4 Inch Circular Saw offers superior performance and features, making it the better choice for professionals.
Why Milwaukee 2730-20 M18 Fuel 6 1/2" Circular Saw , Brushless is better
Lower Price
The 6 1/2" model is priced at $195.00.
Lightweight
The 6 1/2" saw weighs 6.3 lbs.
Compact Size
The 6 1/2" model is designed for less demanding tasks.
Why Milwaukee M18 FUEL 7-1/ is better
Higher RPM
The 7-1/4" saw operates at 6,000 RPM.
Cut Capacity
The 7-1/4" model has a cut capacity of 2-5/8".
Battery Efficiency
The 7-1/4" saw can achieve up to 750 cuts per charge.
Overall score
Specifications
| Spec | Milwaukee 2730-20 M18 Fuel 6 1/2" Circular Saw , Brushless | Milwaukee M18 FUEL 7-1/ |
|---|---|---|
| Motor Type | Brushless | Brushless |
| Max RPM | 5000 | 6000 |
| Cut Capacity | 1-5/8" | 2-5/8" |
| Weight | 6.3 lbs | 7.5 lbs |
| Price | $195.00 | $214.99 |
Dimension comparison
Design and Build Quality
Both the Milwaukee M18 Fuel 6 1/2" Circular Saw and the Milwaukee M18 FUEL 7-1/4 Inch Circular Saw showcase robust designs, but the latter offers additional features suited for more demanding tasks. The 6 1/2" saw is designed with a magnesium shoe, ensuring durability while remaining lightweight at 6.3 lbs. On the other hand, the 7-1/4" model also incorporates magnesium in its guards and shoes, contributing to its strength and longevity. This saw is engineered for professional use, providing an ergonomic and compact design that makes it ideal for all-day cutting, which is essential for contractors and carpenters.
Performance and Power
The Milwaukee M18 FUEL 7-1/4 Inch Circular Saw outperforms the 6 1/2" model in terms of cutting speed and power. It features a POWERSTATE Brushless Motor that can reach speeds of 6,000 RPM, maintaining high performance even under load. In contrast, the 6 1/2" model operates at a no-load speed of 5,000 RPM. This increased power in the 7-1/4" saw allows for more demanding applications and a higher cut capacity of 2-5/8", enabling it to cut through materials in fewer passes. For users requiring a tool that can handle tougher jobs efficiently, the 7-1/4" circular saw stands out.
Battery Life and Efficiency
When it comes to battery efficiency, the Milwaukee M18 FUEL 7-1/4 Inch Circular Saw has a significant advantage. It can achieve up to 750 cuts per charge when paired with the M18 REDLITHIUM FORGE HD12.0 battery, showcasing its efficiency for prolonged use. Meanwhile, the 6 1/2" circular saw does not specify cut capacity per charge, which may indicate less optimized battery usage. For professionals who need a reliable tool for extended tasks, the battery performance of the 7-1/4" model makes it a compelling choice.
Price Comparison
The Milwaukee M18 FUEL 6 1/2" Circular Saw is priced at $195.00, making it about 17% cheaper than the 7-1/4" model, which retails for $214.99. This price difference can be a deciding factor for users with budget constraints, particularly those who need a reliable saw for less intensive applications. However, the value offered by the 7-1/4" model may justify its higher price for professionals seeking enhanced performance and capabilities.
Sales Performance
In terms of sales rank, the Milwaukee M18 FUEL 7-1/4 Inch Circular Saw holds a better position at 20,665, compared to the 6 1/2" model, which is ranked at 110,219. This indicates a stronger popularity among consumers, suggesting that the 7-1/4" circular saw is favored for its superior performance and features. Higher sales can also reflect customer satisfaction and trust in a product, making the 7-1/4" model a potentially more reliable investment.
Features and Functionality
The functionality of the Milwaukee M18 FUEL 7-1/4 Inch Circular Saw is enhanced by features such as REDLINK PLUS Intelligence, which safeguards against overloads, overheating, and over-discharge. Additionally, it includes an electric blade brake and an LED work light to boost productivity and user safety. The 6 1/2" model, while solid in its offerings, lacks some of these advanced features, making the 7-1/4" saw a more comprehensive tool for professionals. For users who prioritize cutting-edge technology and enhanced safety measures, the 7-1/4" saw is the clear winner.
User Experience and Comfort
Both circular saws are designed with user experience in mind, but the Milwaukee M18 FUEL 7-1/4 Inch Circular Saw excels with its ergonomic design, reducing fatigue during extended use. The lightweight construction and compact form factor facilitate ease of handling, making it suitable for various cutting tasks. While the 6 1/2" model is also lightweight, the advanced design of the 7-1/4" saw contributes to a more comfortable and efficient working experience, especially for professionals who spend long hours on job sites.
Which should you buy?
Choosing between the Milwaukee M18 Fuel 6 1/2" Circular Saw and the Milwaukee M18 FUEL 7-1/4 Inch Circular Saw depends on your specific needs and budget. If you require a more economical option for less demanding tasks, the 6 1/2" model is a solid choice at $195.00. However, for professionals seeking superior performance, advanced features, and enhanced battery efficiency, the 7-1/4" model, priced at $214.99, offers significant advantages that justify the higher price. Ultimately, your choice should reflect your cutting requirements and the level of performance you expect from your tools.

