Ridgid R86711B
Score: 88/100
DEWALT DCD805B
Score: 88/100Rankings
The RIDGID R86711B OCTANE is a professional-grade 18V cordless rotary hammer designed for intense concrete and masonry work. It features a powerful brushless motor and high impact energy, making it exceptionally fast and effective for drilling and chiseling. While it lacks a built-in work light and requires separate battery purchase, its performance and durability make it a top choice for contractors.

The DeWalt DCD805B is a compact, high-performance cordless hammer drill featuring a brushless motor and 2,100 in-lbs of torque. Its primary trade-off is the lack of included batteries and only two speed settings, which may limit control for some users. It is best suited for professionals and DIYers needing a versatile tool for tight spaces and masonry work.
| Attribute | Ridgid R86711B | ![]() |
|---|---|---|
18 V | 20 Vbest | |
25.4 mmbest | 12.7 mm | |
5,000 BPMbest | — | |
2 Jbest | — | |
| ↓ lower better | 3.18 kg | 0.28 kgbest |
— | 2,100 in-lbsbest | |
25.4 mmbest | — | |
1,250 RPM | 2,000 RPMbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | Ridgid R86711B | ![]() |
|---|---|---|
Power & Energy(1) | ||
Voltage (V) | 18 V | 20 V |
Chuck & Bits(2) | ||
Chuck Size (mm) | 25.4 mm | 12.7 mm |
Chuck Type | SDS-Plus | Ratcheting |
Ergonomics & Design(2) | ||
Weight (kg) | 3.18 kg | 0.28 kg |
Handle Type | Auxiliary | Pistol Grip |
Performance & Speed(2) | ||
No-Load Speed (RPM) | 1250 RPM | 2000 RPM |
Speed Settings | Variable | 2 |
Features & Safety(2) | ||
Operating Modes | 3-Mode | Drill/Driver/Hammer |
Work Light | false | true |

Professional reviewers praise the RIDGID R86711B OCTANE for its blistering speed, super power, and professional-grade build quality. Experts highlight its ability to handle intense loads with minimal bogging, making it excellent for chiseling and concrete busting.
Everyday users and customers provide sparse but positive feedback, describing the tool as 'extra ordinary' for difficult tasks. Common praise focuses on its power and speed in masonry work, with users appreciating the quick completion of jobs.

Professional reviewers highlight the DeWalt 20V MAX XR series as a top-tier choice for both compactness and power, with the DCD805B praised for its accessibility in tight spaces.
Everyday users consistently praise the compact design and reliability of the brushless motor, though some note the need to purchase batteries separately.
“blasts through 6-inch slabs within seconds”
“unstoppable with OCTANE batteries”
“blistering fast, super powerful professional grade”
