SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm vs Yunirvana 4Amp 3500RPM Mini Circular Saw with
Updated July 2026 — SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm wins on price and power, Yunirvana 4Amp 3500RPM Mini Circular Saw with wins on sales rank.
The SKILSAW SPT77W-01 is a powerful tool suited for professionals, while the Yunirvana Mini Circular Saw is a compact option for casual users. The SKILSAW wins for its performance and features.
Why SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm is better
Power
15-amp motor vs 4-amp motor
Cutting Depth
Deeper cutting capabilities
Durability
Aluminum construction for job site use
Why Yunirvana 4Amp 3500RPM Mini Circular Saw with is better
Price
Lower price at $49.99
Portability
Compact and lightweight design
Ease of Use
Designed for one-handed operation
Overall score
Specifications
| Spec | SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm | Yunirvana 4Amp 3500RPM Mini Circular Saw with |
|---|---|---|
| Motor | 15-amp | 4-amp |
| No Load Speed | N/A | 3500 RPM |
| Max Cutting Depth | 2-1/2" | 1-11/16" |
| Bevel Capacity | 51° | 45° |
| Weight | 14.2 lbs | 5.5 lbs |
Dimension comparison
Overview of the SKILSAW SPT77W-01 and Yunirvana Mini Circular Saw
The SKILSAW SPT77W-01 is a powerful worm drive circular saw, while the Yunirvana Mini Circular Saw is a compact and lightweight option. Priced at $181.28, the SKILSAW is designed for heavy-duty performance, making it ideal for professional use. In contrast, the Yunirvana is priced significantly lower at $49.99, targeting DIY enthusiasts and casual users. This price difference reflects the intended user base and application of each product.
Power and Performance
In terms of power, the SKILSAW SPT77W-01 boasts a robust 15-amp Dual-Field motor, which enhances cooling and extends the tool's life. This motor allows the saw to handle tougher jobs with ease, making it a preferred choice for professionals. Conversely, the Yunirvana Mini Circular Saw features a 4-amp motor, delivering a no-load speed of 3,500 RPM. While both saws can cut through various materials, the SKILSAW’s higher amperage suggests it is better suited for demanding tasks, whereas the Yunirvana excels in lighter, more precise cutting applications.
Weight and Portability
The SKILSAW SPT77W-01 weighs 14.2 lbs without the blade, cord, and wrench, making it relatively light for a full-sized circular saw. This weight is manageable for most users, though it is not designed for one-handed operation. On the other hand, the Yunirvana Mini Circular Saw is designed for portability and ease of use, being significantly lighter and more compact. This makes it an excellent choice for those who need a saw for quick jobs or for use in tight spaces. The portability of the Yunirvana is a clear advantage for users who prioritize convenience and ease of handling.
Cutting Depth and Versatility
The SKILSAW SPT77W-01 offers a cutting depth adjustable for various applications, with a maximum cutting depth that is standard for its class. Its 51° bevel capability allows for a wide range of cuts, which is particularly beneficial for complex projects. In contrast, the Yunirvana Mini Circular Saw has a maximum cutting depth of 1-11/16 inches at 90 degrees and 1-1/8 inches at 45 degrees. While the Yunirvana is versatile for its size, it does not match the cutting depth capabilities of the SKILSAW. Users who require deeper cuts and greater bevel options will find the SKILSAW more accommodating for their needs.
Features and Accessories
The SKILSAW SPT77W-01 includes several user-friendly features, such as an integrated saw hook for rafter placement and a Cut Ready depth-of-cut system for quick adjustments. These features enhance its usability on job sites. In comparison, the Yunirvana Mini Circular Saw comes equipped with a laser guide and a vacuum adapter, making it ideal for precision work and maintaining a clean workspace. While both saws offer valuable features, the SKILSAW’s professional-grade tools cater to experienced users, while the Yunirvana focuses on providing enhanced usability for DIY projects.
Design and Ergonomics
The SKILSAW SPT77W-01 is designed with durability in mind, utilizing aluminum in its construction to withstand the wear and tear of job site conditions. Its ergonomic design helps reduce user fatigue, making it suitable for extended use. On the other hand, the Yunirvana Mini Circular Saw is lightweight and features ergonomic soft grips, which make it comfortable for one-handed operation. The compact design of the Yunirvana makes it easier to maneuver in tight spaces, appealing to users who prioritize ease of handling over heavy-duty performance.
Sales Rank and Popularity
The SKILSAW SPT77W-01 has a sales rank of 39,282, indicating a solid presence in the market, particularly among professionals and serious hobbyists. Conversely, the Yunirvana Mini Circular Saw has a higher sales rank of 88,617, which may suggest it is less popular but still holds value among casual users and DIY enthusiasts. The sales ranks reflect the target audience of each product, with the SKILSAW being favored by those seeking a reliable tool for extensive use.
Which should you buy?
Deciding between the SKILSAW SPT77W-01 and the Yunirvana Mini Circular Saw depends largely on your specific needs. If you require a powerful, durable tool for heavy-duty tasks, the SKILSAW, priced at $181.28, is worth the investment. Its advanced features and robust construction make it suitable for professionals. Alternatively, if you are a DIY enthusiast looking for a lightweight, compact saw for general tasks, the Yunirvana Mini Circular Saw at $49.99 offers excellent value. Ultimately, your choice should align with the types of projects you anticipate tackling.

