Which is better for driving long deck screws?

The Ridgid. Its 2,400 in-lbs and 4,200 IPM beat the DeWalt's 1,700 in-lbs and 3,200 IPM, and the self-tapping mode helps seat long screws without stripping heads.

Which is better for tight spaces?

The DeWalt. It is 5.1 in long and 2.1 lbs bare, so it fits between studs and overhead work with less fatigue. The Ridgid is close at 5.0 in but 0.2 lbs heavier.

Is the Ridgid worth about $45 to $58 more?

Yes if you drive a lot of screws or want the lifetime service agreement. No if you already own DeWalt 20V batteries and mostly do light assembly.

Do either include a battery?

No. Both are bare tools. Budget for a battery and charger on whichever platform you pick, or use batteries you already own.

Which has the better warranty?

The Ridgid, if you register within 90 days. Its Lifetime Service Agreement covers batteries, parts and service for life. DeWalt's standard warranty is shorter and does not cover wear items for life.

Both use brushless motors. The Ridgid's lifetime service agreement is the bigger long-term advantage; the DeWalt's simpler single-speed design has fewer parts to fail.

DeWalt DCF809B 20V MAX Lithium-Ion Brushless 1/4" Impact Driver (Bare Tool) vs Ridgid 18V Brushless R862312

Buy the DeWalt DCF809B if you want the smallest, lightest 20V driver and already own DeWalt batteries. Buy the Ridgid R862312 if you want more torque, four drive modes and a lifetime service agreement. The DeWalt has run $75.99 to $90.11 since October 30, 2026, while the Ridgid has held at $134.10. The Ridgid costs roughly $45 to $58 more, and neither includes a battery or charger.

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