DeWalt
DeWalt DCH172B ATOMIC 20V MAX 5/8 In. Brushless SDS-Plus Rotary Hammer (Bare Tool)
$219
Best Rotary Hammers · head-to-head
DeWalt DCH172B ATOMIC 20V MAX 5/8 In. Brushless SDS-Plus Rotary Hammer (Bare Tool) vs Ryobi P223 18V ONE+ HP Brushless 1 In. SDS-Plus Rotary Hammer (Bare Tool)
A sourced, side-by-side comparison. Ryobi P223 18V ONE+ HP Brushless 1 In. SDS-Plus Rotary Hammer (Bare Tool) is cheaper at $199. Every spec and price links to its source.
Which is better: the DeWalt DCH172B ATOMIC 20V MAX 5/8 In. Brushless SDS-Plus Rotary Hammer (Bare Tool) or Ryobi P223 18V ONE+ HP Brushless 1 In. SDS-Plus Rotary Hammer (Bare Tool)?
On the specs we track, they're closely matched. The Ryobi P223 18V ONE+ HP Brushless 1 In. SDS-Plus Rotary Hammer (Bare Tool) is the cheaper at $199.
See DeWalt DCH172B ATOMIC 20V MAX 5/8 In. Brushless SDS-Plus Rotary Hammer (Bare Tool) on Amazon See Ryobi P223 18V ONE+ HP Brushless 1 In. SDS-Plus Rotary Hammer (Bare Tool) on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | DeWalt DCH172B ATOMIC 20V MAX 5/8 In. Brushless SDS-Plus Rotary Hammer (Bare Tool) |  Ryobi P223 18V ONE+ HP Brushless 1 In. SDS-Plus Rotary Hammer (Bare Tool) |
|---|---|---|
| US price | $219 | $199 |
| Brand | DeWalt | Ryobi |
| Released | — | — |
| Chuck type | SDS-plus | SDS-plus |
| Impact energy joules | 1.4 | 2.1 |
| Max drill diameter (mm) | 16 | 25 |
| Voltage | 20V MAX (18V nominal) | 18V |
| Blows per minute | 4980 | 5000 |
| No load (rpm) | 1060 | 1380 |
| Vibration control | SHOCKS Active Vibration Control (rated 8.8 m/s²) | Anti-Vibration Handle (up to 47% less vibration claimed vs. predecessor) |
| Operating modes | — | 3-mode: drilling, hammer-drilling, hammer-only |
| Weight (lb) | 4.4 | — |
Sources — DeWalt DCH172B ATOMIC 20V MAX 5/8 In. Brushless SDS-Plus Rotary Hammer (Bare Tool): dewalt.com (verified 2026-08-01). Ryobi P223 18V ONE+ HP Brushless 1 In. SDS-Plus Rotary Hammer (Bare Tool): ryobitools.com (verified 2026-08-01).
What's the difference between the DeWalt DCH172B ATOMIC 20V MAX 5/8 In. Brushless SDS-Plus Rotary Hammer (Bare Tool) and Ryobi P223 18V ONE+ HP Brushless 1 In. SDS-Plus Rotary Hammer (Bare Tool)?
Where the two actually differ on the specs we track (6 of 9). Matching specs are omitted.
- Impact energy joules: DeWalt DCH172B ATOMIC 20V MAX 5/8 In. Brushless SDS-Plus Rotary Hammer (Bare Tool) 1.4 vs Ryobi P223 18V ONE+ HP Brushless 1 In. SDS-Plus Rotary Hammer (Bare Tool) 2.1
- Max drill diameter (mm): DeWalt DCH172B ATOMIC 20V MAX 5/8 In. Brushless SDS-Plus Rotary Hammer (Bare Tool) 16 vs Ryobi P223 18V ONE+ HP Brushless 1 In. SDS-Plus Rotary Hammer (Bare Tool) 25
- Voltage: DeWalt DCH172B ATOMIC 20V MAX 5/8 In. Brushless SDS-Plus Rotary Hammer (Bare Tool) 20V MAX (18V nominal) vs Ryobi P223 18V ONE+ HP Brushless 1 In. SDS-Plus Rotary Hammer (Bare Tool) 18V
- Blows per minute: DeWalt DCH172B ATOMIC 20V MAX 5/8 In. Brushless SDS-Plus Rotary Hammer (Bare Tool) 4980 vs Ryobi P223 18V ONE+ HP Brushless 1 In. SDS-Plus Rotary Hammer (Bare Tool) 5000
- No load (rpm): DeWalt DCH172B ATOMIC 20V MAX 5/8 In. Brushless SDS-Plus Rotary Hammer (Bare Tool) 1060 vs Ryobi P223 18V ONE+ HP Brushless 1 In. SDS-Plus Rotary Hammer (Bare Tool) 1380
- Vibration control: DeWalt DCH172B ATOMIC 20V MAX 5/8 In. Brushless SDS-Plus Rotary Hammer (Bare Tool) SHOCKS Active Vibration Control (rated 8.8 m/s²) vs Ryobi P223 18V ONE+ HP Brushless 1 In. SDS-Plus Rotary Hammer (Bare Tool) Anti-Vibration Handle (up to 47% less vibration claimed vs. predecessor)