
Makita XRH04Z
Score: 75/100
DEWALT DCD799B
Score: 88/100Rankings

The DEWALT DCD799B is a bare-tool, 20V MAX* ATOMIC COMPACT SERIES brushless hammer drill designed for high performance in confined spaces. Its primary limitation is the lack of included batteries and charger, requiring users to invest in the 20V MAX ecosystem. It is best suited for professionals such as electricians and plumbers who need maximum power in tight areas.

The Makita XRH04Z is a compact, cordless 18V SDS-PLUS rotary hammer designed for efficient percussive drilling in concrete up to 7/8 inches. It features a versatile 3-mode operation system and a torque-limiting clutch, making it suitable for light-to-medium masonry tasks. It is best suited for users already invested in the Makita LXT battery ecosystem who need portability.
| Attribute | ![]() | ![]() |
|---|---|---|
18 V | 20 Vbest | |
22.225 mmbest | 12.7 mm | |
4,000 BPM | 28,050 BPMbest | |
1.9 Jbest | — | |
| ↓ lower better | 3.18 kg | 1.15 kgbest |
22.225 mmbest | — | |
1,200 RPM | 1,650 RPMbest | |
— | 2best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Energy(2) | ||
Voltage (V) | 18 V | 20 V |
Motor Type | Brushed | Brushless |
Chuck & Bits(2) | ||
Chuck Size (mm) | 22.225 mm | 12.7 mm |
Chuck Type | SDS-PLUS | Keyless |
Ergonomics & Design(2) | ||
Weight (kg) | 3.18 kg | 1.15 kg |
Handle Type | Shock-absorbent | None |
Performance & Speed(3) | ||
Impact Rate (BPM) | 4000 BPM | 28050 BPM |
No-Load Speed (RPM) | 1200 RPM | 1650 RPM |
Speed Settings | Variable | 2 |
Features & Safety(2) | ||
Operating Modes | 3-Mode | Drill/Hammer |
Work Light | false | true |



Professional reviewers highlight the Makita XRH04Z as a versatile and reliable concrete tool within the Makita LXT ecosystem, emphasizing its efficient drilling capabilities and compact design.
Search results contain no consumer reviews, ratings details, or feedback. Common praise cannot be identified, and no recurring complaints are noted from everyday users.

Professional reviewers, including Pro Tool Reviews, designate the DCD799B as the 'king of the Atomic drill line' due to its combination of highest power output (tested at 520-585 UWO) and compact 6.5-inch form factor. It is highly recommended for professionals who need hammer drill capabilities in a reduced-size profile.
Search results indicate a lack of direct consumer reviews, but common themes from product contexts highlight praise for its compact power and masonry performance in tight spaces. There are no recurring complaints noted in the available data, suggesting general satisfaction with its utility for confined area work.

