Milwaukee M18 Compact Brushless 1/4" Hex Impact Driver (3650-20) vs DeWalt 12V MAX Brushless 3/8-in Cordless Impact Wrench (Tool Only) (DCF902B)
Official Milwaukee and DeWalt cordless tools, ranked in this category from the makers' product pages.
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Milwaukee M18 Compact Brushless 1/4" Hex Impact Driver (3650-20)
Best for: Official 18 V, 3600 RPM, 1.7 lb
Check price at AmazonDeWalt 12V MAX Brushless 3/8-in Cordless Impact Wrench (Tool Only) (DCF902B)
Best for: Official 12 V, 3600 RPM, 2.05 lb
Check price at AmazonSpec-by-spec comparison
Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.
| Spec | Milwaukee M18 Compact Brushless 1/4" Hex Impact Driver (3650-20) | DeWalt 12V MAX Brushless 3/8-in Cordless Impact Wrench (Tool Only) (DCF902B) | Weight |
|---|---|---|---|
| Official no-load speedThe official no-load speed published on the maker's product page, in RPM. When the official page lists a range, we use the highest official figure in that range. Official no-load speed is a free-speed figure, not a measured speed under load. Official values outside the reference range are clamped for scoring only; the official figure is still shown. | 3600 RPM | 3600 RPM | 30% |
| Official tool weightThe official tool weight published on the maker's product page, in pounds. When the official page lists a weight excluding the battery, we use that official tool-only figure. Official values outside the reference range are clamped for scoring only; the official figure is still shown. | 1.7 lb | 2.05 lb | 25% |
| Official voltageThe official battery-platform voltage published on the maker's product page (for example M12 / 12V max, M18 / 18V LXT, 20V MAX, 40V XGT or 60V MAX). A higher official platform voltage is not automatically the right tool for tight spaces. Official values outside the reference range are clamped for scoring only; the official figure is still shown. | 18 V | 12 V | 25% |
| Official brushless motorWhether the official product page lists a brushless motor (Yes) or a brushed motor / no official listing. An official brushless listing scores at the top of this criterion; Not listed scores at the category minimum. | Yes | Yes | 20% |
| Official model number | 3650-20 | DCF902B | info |
| Official product name | M18 Compact Brushless 1/4" Hex Impact Driver | 12V MAX Brushless 3/8-in Cordless Impact Wrench (Tool Only) | info |
| Official voltage | 18 V | 12 V | info |
| Official no-load speed | 3600 RPM | 3600 RPM | info |
| Official tool weight | 1.7 lb | 2.05 lb | info |
| Official brushless motor | Yes | Yes | info |
| Official max torque | 1700 in-lb (official listing: 1700 in-lbs) | Not listed | info |
| Official chuck size | 1/4 in | Not listed | info |
| Official chuck type | Hex | Hog Ring Anvil | info |
| Official battery system | M18 | Not listed | info |
| Official motor type | Brushless | Brushless | info |
| Official warranty | 5 Year Limited Warranty | Not listed | info |
| Official configuration | Tool only (battery and charger sold separately, per the official product page). | Tool only (battery and charger sold separately, per the official product page). | info |
| TorquePick score | 9.4/10 | 7.4/10 | 100% |
Where each one comes out ahead
Milwaukee M18 Compact Brushless 1/4" Hex Impact Driver (3650-20)
Better published figure on: Official tool weight, Official voltage.
What we like
- Official maker product page lists a no-load speed of 3600 RPM.
- Official maker product page lists a brushless motor.
- Official maker product page lists a maximum torque of 1700 in-lb.
- Official maker product page lists a tool weight of 1.7 lb.
Watch out for
- Official figures are for the configuration shown on the official product page, not a test we ran.
DeWalt 12V MAX Brushless 3/8-in Cordless Impact Wrench (Tool Only) (DCF902B)
No scored spec where it is strictly ahead; its case rests on the strengths below.
What we like
- Official maker product page lists a no-load speed of 3600 RPM.
- Official maker product page lists a brushless motor.
- Official maker product page lists a tool weight of 2.05 lb.
Watch out for
- Official maximum torque is Not listed as a specification on the official product page we used.
Verdict
Official no-load speed is 3600 RPM vs 3600 RPM; compare official tool weight, official voltage and whether the official page lists a brushless motor. Official torque, when published, is shown as a fact.
- Milwaukee M18 Compact Brushless 1/4" Hex Impact Driver (3650-20): Official Milwaukee product page (3650-20)
- DeWalt 12V MAX Brushless 3/8-in Cordless Impact Wrench (Tool Only) (DCF902B): Official DeWalt product page (DCF902B)