
Milwaukee 2880-20 4.5-inch
Score: 82/100
DeWalt DCG408B
Score: 88/100Rankings

The DEWALT DCG408B is a lightweight, cordless 4.5-inch angle grinder featuring a brushless motor and advanced safety features like a kickback brake. Its portability and modern features make it ideal for on-site work, though it requires a separate battery and has lower power than corded models. It is best suited for professionals who value mobility and safety.

The Milwaukee 2880-20 is a versatile cordless angle grinder featuring a brushless motor and RAPIDSTOP brake technology for enhanced safety and performance. Its key advantage is the mobility provided by the M18 battery system, making it ideal for job sites without power outlets. However, the lack of included batteries and the smaller disc size are notable trade-offs for heavy-duty users.
| Attribute | ![]() | ![]() |
|---|---|---|
1,320 wattsbest | 850 watts | |
8,500 rpm | 9,000 rpmbest | |
115 mmbest | 114 mm | |
18 volts | 20 voltsbest | |
| ↓ lower better | 2.38 kg | 1.61 kgbest |
11 ampsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Performance(4) | ||
Motor Power (watts) | 1320 watts | 850 watts |
No-Load Speed (rpm) | 8500 rpm | 9000 rpm |
Voltage (volts) | 18 volts | 20 volts |
Amperage (amps) | 11 amps | amps |
Dimensions & Weight(1) | ||
Weight (kg) | 2.38 kg | 1.61 kg |
Compatibility & Build(1) | ||
Wheel Diameter (mm) | 115 mm | 114 mm |
Safety & Controls(3) | ||
Switch Type | Paddle | Paddle Switch |
Guard Type | Adjustable | Standard |
Soft Start | false | true |

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