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SKIL 2x20V PWR CORE 20 Brushless 7-1/4” Rear vs SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm

Updated July 2026 — SKIL 2x20V PWR CORE 20 Brushless 7-1/4” Rear wins on rpm and battery life, SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm wins on weight.

The SKIL 2x20V PWR CORE 20 offers superior cutting speed and cordless convenience, while the SKILSAW SPT77W-01 provides reliable performance at a lower price.

Why SKIL 2x20V PWR CORE 20 Brushless 7-1/4” Rear is better

Cutting Speed

SKIL has a brushless motor with 5,300 RPM.

Cordless Design

SKIL offers mobility without cords.

Battery Life

SKIL provides up to 600 cuts per charge.

Why SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm is better

Price

SKILSAW is about 35% cheaper.

Weight

SKILSAW is lighter at 14.2 lbs.

Simplicity

SKILSAW offers straightforward corded use.

Overall score

SKIL 2x20V PWR CORE 20 Brushless 7-1/4” Rear
85
SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm
75

Specifications

SpecSKIL 2x20V PWR CORE 20 Brushless 7-1/4” RearSKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm
Motor TypeBrushlessDual-Field
Blade Size7-1/4"7-1/4"
Electric BrakeYesNo
Dust ControlYesNo
Warranty5 years1 year

Dimension comparison

SKIL 2x20V PWR CORE 20 Brushless 7-1/4” RearSKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm

Overview of the SKIL Products

The SKIL 2x20V PWR CORE 20 Brushless 7-1/4” Rear Handle Circular Saw is priced at $279.00, while the SKILSAW SPT77W-01 15-Amp 7-1/4-Inch Aluminum Worm Drive Circular Saw retails for $181.28, making the latter about 35% cheaper. Both products are designed for professional-grade cutting, but they cater to different user needs and preferences. The SKIL saw is a cordless model with advanced battery technology, while the SKILSAW offers the traditional power of a corded worm drive.

Power and Performance

The SKIL 2x20V PWR CORE 20 features a brushless motor that delivers a cutting speed of 5,300 RPM, allowing it to handle tough materials with ease. This saw can make cuts through 3x lumber in one pass, showcasing its superior cutting performance. In contrast, the SKILSAW SPT77W-01 is powered by a dual-field motor that enhances cooling and extends the tool's life, providing reliable performance for various cutting tasks. While both saws are engineered for efficiency, the SKIL’s brushless motor gives it an edge in terms of raw cutting speed.

Battery Life vs. Corded Convenience

The SKIL saw's cordless design is powered by two PWR CORE 20 5.0Ah lithium-ion batteries, offering up to 600 cuts per charge. This feature is particularly advantageous for users who require mobility on job sites without the hassle of cords. The innovative Dual Port PWR JUMP charger recharges the batteries quickly, reaching 25% in just 15 minutes. On the other hand, the SKILSAW operates on a 15-amp corded power system, which eliminates concerns about battery life but may restrict mobility. Users who prefer a tethered, continuous power source may find the SKILSAW more practical.

Weight and Ergonomics

The SKILSAW weighs 14.2 lbs without the blade, making it relatively lightweight for a corded circular saw. This design reduces user fatigue during prolonged use. Conversely, the SKIL 2x20V PWR CORE 20’s weight is not specified, but its rear handle design is intended for enhanced control and maneuverability. Ergonomics play a crucial role in user experience, especially for those who spend long hours using these tools. The SKILSAW's lightweight design may appeal to those who prioritize ease of handling.

Cutting Versatility

The SKIL 2x20V PWR CORE 20 includes a 24-tooth carbide-tipped blade, designed to provide smooth and accurate cuts. It also features a bevel capacity of 0–53°, allowing for a wide range of cutting angles. The adaptability of the dust port helps to keep the work area clean, which is essential for maintaining visibility and safety. Meanwhile, the SKILSAW SPT77W-01 comes equipped with a 7-1/4" blade and a 51° bevel capability, enabling users to tackle various cuts effectively. The precise depth-of-cut system in the SKILSAW further enhances its versatility.

Additional Features

The SKIL 2x20V PWR CORE 20 boasts features such as an electric brake that maximizes productivity by reducing downtime between cuts and an LED light for improved visibility in dim conditions. The inclusion of a built-in rafter hook and tether notch adds to its convenience. In contrast, the SKILSAW SPT77W-01 offers an integrated saw hook for safe rafter placement, which is beneficial for users working at heights. While both saws are equipped with user-friendly features, the SKIL model's modern enhancements may provide a slight edge for those seeking advanced functionality.

Price Comparison

At $279.00, the SKIL 2x20V PWR CORE 20 is significantly higher than the SKILSAW SPT77W-01, which is priced at $181.28. This price difference of about $97.72 reflects the advanced battery technology and features of the cordless model. For users on a budget or those who do not require cordless convenience, the SKILSAW may represent a better value. However, for professionals who need high performance and mobility, the SKIL could justify its higher cost.

Which should you buy?

Choosing between the SKIL 2x20V PWR CORE 20 Brushless Circular Saw and the SKILSAW SPT77W-01 depends on your specific needs. If you prioritize cutting speed, battery life, and advanced features, the SKIL saw is the superior choice. Its cordless design and modern technology make it ideal for job sites that require mobility and efficiency. However, if you prefer a reliable corded saw that offers excellent performance at a lower price point, the SKILSAW remains a strong contender. Ultimately, both tools are designed for professional use, but your decision should hinge on whether you value portability or traditional power.