DEWALT DCG413B vs AVID MW590
The DEWALT DCG413B and the AVID MW590 are both angle grinders aimed at the same task but built around opposite power sources. The DEWALT runs on a 20V battery for cordless operation, turns at 3450 RPM, and weighs just 1 pound at $149.61. The AVID MW590 is a corded 120V grinder that spins at 12000 RPM with a listed 900-watt motor at $39.99. Both have earned strong buyer confidence: the DEWALT holds 4.8 stars from 9,600 reviews with 2,000 units bought last month, while the AVID carries 4.5 stars from 6,100 reviews with 1,000 bought last month.
Quick winner
The AVID MW590 wins on motor power (900 watts, 12000 RPM) and price ($39.99) for stationary shop work; the DEWALT DCG413B is the right pick for cordless jobsite use where a 1-pound grinder without a cord makes all the difference.
Key differences, measured
- The AVID MW590 is 73% cheaper ($39.99 vs $149.61).
- Amazon buyers rate the DEWALT DCG413B 0.3 stars higher across 15,700 combined reviews.
Side-by-side specs
| Spec | DEWALT DCG413B Grinder | AVID MW590 Grinder |
|---|---|---|
| Price | $149.61 | $39.99 |
| Rating | ||
| Power Source | Battery Powered | Corded Electric |
| Voltage | 20 Volts | 120 Volts |
| Speed | 3450 RPM | 12000 RPM |
| Motor | 20 watts | 900 watts |
| Weight | 1 Pounds | 5.1 Pounds |
The two contenders
DEWALT DCG413B Grinder

The DEWALT DCG413B is a 20V battery-powered angle grinder that tips the scales at only 1 pound and measures 12.2 inches long by 4.7 inches wide by 6 inches high. The listed specs show a no-load speed of 3450 RPM and a motor output of 20 watts. At $149.61 it costs significantly more than the corded AVID, but the cordless platform draws consistent buyer demand: 2,000 units sold last month back up its 4.8-star rating across 9,600 reviews. Note that this is a tool-only listing, so a compatible 20V battery and charger are sold separately.
Buy this if: Tradespeople and DIYers who need a grinder on jobsites, for overhead work, or anywhere a cord is a liability. The 1-pound weight and 20V cordless design are the primary reasons to pay the $149.61 premium.
Check price on AmazonAVID MW590 Grinder

The AVID MW590 is a corded 120V angle grinder with a 900-watt motor and a top speed of 12000 RPM, weighing 5.1 pounds. At $39.99 it is one of the most accessible entries in the angle grinder category. Owners report solid satisfaction, reflected in 4.5 stars from 6,100 reviews, with 1,000 bought last month. Based on specs and verified owner reviews, the corded design delivers consistent power without battery charge concerns, though it does require a nearby outlet and adds weight compared to lighter cordless models.
Buy this if: Workshop users and homeowners working near an outlet who want a high-speed 900-watt grinder at a very low price. The 12000 RPM and $39.99 entry point make the AVID MW590 a strong value pick for fixed or semi-fixed setups.
Check price on AmazonFrequently asked questions
Does the DEWALT DCG413B include a battery?
The DEWALT DCG413B is listed as a tool-only grinder on the 20V platform. A compatible 20V battery and charger are sold separately. Confirm you have a matching DEWALT 20V battery before purchasing.
How much more powerful is the AVID MW590 compared to the DEWALT DCG413B?
The listed specs show the AVID MW590 at 900 watts and 12000 RPM versus the DEWALT DCG413B at 20 watts and 3450 RPM. The AVID delivers substantially higher motor output and disc speed according to the published data.
Which grinder is easier to handle in tight spaces or overhead?
The DEWALT DCG413B at 1 pound with no cord is far easier to maneuver overhead or in confined areas. The AVID MW590 at 5.1 pounds with a power cord is better suited to bench-level stationary work.
Which tool has stronger buyer demand?
The DEWALT DCG413B leads on both rating (4.8 stars, 9,600 reviews, 2,000 bought last month) and on-site rank. The AVID MW590 stands at 4.5 stars from 6,100 reviews with 1,000 bought last month. Both clear the 3.8-star floor used to qualify tools on this site.