SKIL 20V Brushless 6-1/2In. Cordless Compact vs SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm
Updated July 2026 — SKIL 20V Brushless 6-1/2In. Cordless Compact wins on rpm and power, SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm wins on price and bevel angle.
The SKIL 20V Brushless circular saw offers excellent value for lighter tasks, while the SKILSAW excels in power and versatility for heavy-duty jobs.
Why SKIL 20V Brushless 6-1/2In. Cordless Compact is better
Price
SKIL 20V is $102.28 cheaper than SKILSAW
Weight
SKIL 20V is lighter and more portable
Battery Life
SKIL 20V offers longer runtime with its battery technology
Why SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm is better
Power
SKILSAW has a more powerful 15-amp motor
Cutting Capacity
SKILSAW has a larger 7-1/4 inch blade
Durability
SKILSAW is designed for heavy-duty use with a robust build
Overall score
Specifications
| Spec | SKIL 20V Brushless 6-1/2In. Cordless Compact | SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm |
|---|---|---|
| Motor Type | Brushless | Dual-Field |
| Battery | 2.0Ah | Corded |
| Electric Brake | Yes | No |
| LED Light | Yes | No |
| Depth Adjustment | Manual | Cut Ready |
Dimension comparison
Overview of Circular Saws
When it comes to selecting a circular saw, two popular options stand out: the SKIL 20V Brushless 6-1/2In. Cordless Compact Circular Saw Kit and the SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm Drive Circular Saw. The SKIL model is priced at $79.00, while the SKILSAW model comes in at $181.28, making the SKIL model about 56% cheaper. Both saws are designed to cater to different needs and preferences, setting the stage for a head-to-head comparison.
Power and Performance
The SKILSAW SPT77W-01 offers a significant power advantage with its 15-amp Dual-Field motor, which is specifically engineered for saw applications. This allows for increased cooling and extends the tool's life, making it a robust option for heavy-duty tasks. Meanwhile, the SKIL 20V Brushless model features a powerful brushless motor that delivers up to 5,500 RPM, enabling 105 cuts in 2x4 pine on a single charge. While both saws deliver impressive performance, the SKILSAW is better suited for prolonged and intensive use, whereas the SKIL circular saw is ideal for lighter projects.
Design and Ergonomics
In terms of design, the SKIL 20V circular saw is compact and lightweight, promoting ease of use and reduced fatigue during operation. Its blade-left design enhances visibility of the cut line, which is complemented by an innovative LED light that casts a shadow effect. Conversely, the SKILSAW is slightly heavier at 14.2 lbs, but it features a cut-ready depth-of-cut system that allows for quick and accurate adjustments. While the SKIL model excels in portability, the SKILSAW’s design is optimized for stability and accuracy.
Battery Life vs. Corded Convenience
The SKIL 20V circular saw operates on a lithium battery, specifically the PWR CORE 20 2.0Ah, which provides longer runtime and a 2X battery life due to its unique cooling material technology. With this system, users can tackle multiple cuts without worrying about battery depletion. On the other hand, the SKILSAW is corded, eliminating concerns about battery life entirely but limiting mobility. For users prioritizing convenience and extended runtime, the SKIL model has the edge, while those needing consistent power on larger jobs may prefer the corded SKILSAW.
Cutting Capacity and Versatility
The cutting capacities of both saws cater to different applications. The SKIL 20V circular saw features a 6-1/2 inch blade, making it suitable for most wood-cutting tasks, particularly in tight spaces. The SKILSAW, with its 7-1/4 inch blade, can handle larger cuts and a wider variety of materials. Furthermore, its 51-degree bevel adjustment allows users to perform a range of specialized cuts. For projects requiring versatility and adaptability, the SKILSAW stands out as the more capable choice.
Safety Features
Safety is paramount when using power tools, and both models come equipped with features designed to protect users. The SKIL 20V circular saw includes an electric brake that stops the blade quickly between cuts, enhancing safety during operation. Additionally, the saw’s ergonomic design minimizes the risk of fatigue-related accidents. In contrast, the SKILSAW features an integrated saw hook for safe placement on rafters, further ensuring user safety. While both saws prioritize safety, the SKIL model offers more innovative features geared toward immediate braking and user comfort.
Price Comparison
The SKIL 20V Brushless circular saw is priced at $79.00, while the SKILSAW comes at a higher price point of $181.28. This represents a price difference of $102.28, making the SKIL model about 56% less expensive. While the SKILSAW offers additional features and a more powerful motor, the significant savings with the SKIL model may appeal to budget-conscious consumers or those who do not require heavy-duty capabilities.
Which should you buy?
Choosing between the SKIL 20V Brushless 6-1/2In. Cordless Compact Circular Saw Kit and the SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm Drive Circular Saw ultimately depends on your specific needs. If you are looking for a lightweight, portable option for everyday wood-cutting tasks, the SKIL model is an excellent choice, especially given its affordability at $79.00. However, if your projects require heavier-duty performance, longer cutting capabilities, and enhanced versatility, the SKILSAW at $181.28 may justify the investment. Each saw has its strengths, so it’s essential to consider what features matter most to you.

