
Porter-Cable 20V MAX Impact Driver 4 inch
Score: 72/100
Galax PRO Cordless Drill Driver
Score: 72/100Rankings

The Porter-Cable 20V MAX Impact Driver offers a budget-friendly solution for DIYers with 1,400 in-lbs of torque and fast charging capabilities. The brushed motor is a trade-off for the lower price, leading to shorter runtime and potential heat issues during prolonged use. It is best suited for homeowners and light trade pros needing affordable power for occasional tasks.

The Galax PRO DC-20V is a budget-friendly cordless combo kit featuring a drill driver and impact driver powered by a single 1.3Ah lithium-ion battery. It is designed for DIY homeowners and beginners, offering a compact, lightweight design with aluminum gear housing and a comprehensive set of included accessories. While affordable, the low battery capacity and entry-level build quality are insufficient for demanding daily use.
| Attribute | ![]() | ![]() |
|---|---|---|
1,400 in-lbbest | 882.5 in-lb | |
20 Vbest | 20 Vbest | |
2,700 RPM | 2,800 RPMbest | |
3,100 IPMbest | 3,000 IPM | |
| ↓ lower better | 4.7 lbsbest | 5.5 lbs |
1.5 Ahbest | 1.3 Ah | |
| ↓ lower better | 11.4 inbest | — |
1 countbest | 1 countbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(3) | ||
Maximum Torque (in-lb) | 1400 in-lb | 882.5 in-lb |
Maximum Speed (RPM) (RPM) | 2700 RPM | 2800 RPM |
Impacts Per Minute (IPM) (IPM) | 3100 IPM | 3000 IPM |
Support(1) | ||
Warranty Duration (years) | 3 years | years |
Build & Design(3) | ||
Tool Weight (lbs) | 4.7 lbs | 5.5 lbs |
Tool Length (in) | 11.4 in | in |
Tool Width (in) | 3.7 in | in |
Power & Battery(3) | ||
Battery Capacity (Ah) | 1.5 Ah | 1.3 Ah |
Charge Time (hours) | 0.48 hours | 1 hours |
Battery Chemistry | Lithium-Ion | Lithium-ion |
Features(2) | ||
Chuck Type | 1/4-inch hex | 1/4" Hex |
Belt Clip | null | true |
Controls(2) | ||
Speed Settings | Variable | |
Trigger Type | Variable speed | Variable |

Products in the top-left offer the best value (high score, low price).

Professional reviewers highlight the Porter-Cable 20V lineup for its value-driven performance, noting strong torque and adequate runtime in brushed models. They praise the tool's compactness for jobsite productivity but note it is not top-tier for professionals needing maximum power.
Everyday users love the lightweight build and ease of use in tight spaces, finding plenty of power for DIY screws and bolts. Recurring complaints include brushed motor heat-up on prolonged use and shorter runtime compared to brushless competitors.
“plenty of power for DIY screws/bolts”

“good torque”



