
Bosch RH328VC
Score: 85/100
DeWalt DCH273B
Score: 85/100Rankings

The Bosch RH328VC is a corded SDS-Plus rotary hammer featuring an 8.0 Amp motor that delivers 2.4 to 2.6 ft-lbs of impact energy in a compact, lightweight package. It is designed for professional drilling and chiseling in concrete, masonry, and stone, offering three operational modes and advanced vibration control for user comfort. Best suited for professional contractors requiring a lightweight yet powerful tool for light-to-medium tasks.

The DEWALT DCH273B is a compact, cordless rotary hammer featuring SHOCKS vibration control and OSHA compliance, making it ideal for professional use in tight spaces. While its 2.1 Joules of impact energy is modest, the vibration reduction and safety features offset this for many users. It is best suited for electricians and plumbers who prioritize comfort and compliance over raw power.
| Attribute | ![]() | ![]() |
|---|---|---|
2.4 joulesbest | 2.1 joules | |
| ↓ lower better | 3.49 kilograms | 2.7 kilogramsbest |
900 rpmbest | — | |
4,000 bpmbest | — | |
120 voltsbest | 20 volts | |
8 wattsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(3) | ||
Impact Energy (joules) | 2.4 joules | 2.1 joules |
No-Load Speed (rpm) | 900 rpm | rpm |
Impact Rate (BPM) (bpm) | 4000 bpm | bpm |
Design & Handling(2) | ||
Tool Weight (kilograms) | 3.49 kilograms | 2.7 kilograms |
Handle Type | 360° Rotatable | L-Shape |
Power & Battery(3) | ||
Voltage (volts) | 120 volts | 20 volts |
Power Source | Corded | Cordless |
Motor Power (watts) | 8.0 watts | watts |
Features & Controls(4) | ||
Operating Modes | 3 | 3-Mode |
Variable Speed Control | true | |
Trigger Type | Variable Speed 3-Finger | |
Safety Features | Integral Clutch | OSHA Compliant |
General & Warranty(2) | ||
Warranty Period | 1 Year | 3 Years |
Included Accessories | Auxiliary handle, Depth gauge, Carrying case | 360° side handle, depth rod |


Products in the top-left offer the best value (high score, low price).

Professional reviewers and editors praise the Bosch RH328VC for its outstanding power-to-size ratio, noting that the 8.0 Amp motor delivers significant impact energy in a compact, lightweight package. Editors highlight the tool's vibration control and three-mode versatility as key factors that maximize comfort and performance for demanding tasks like concrete drilling and light demolition.
Search results contain no direct consumer reviews or forum discussions. Inferred praise suggests users appreciate the fast chiseling and drilling speeds, as well as the control features, but there are no recurring complaints or specific user testimonials available in the data.

Professional reviewers highlight the DCH133B's exceptional power-to-weight ratio, making it ideal for structural tasks such as rod hanging, beam anchorage, and clip installation. The 2.6J impact energy is noted for matching corded performance, while the lightweight design is praised for overhead work. However, experts note it lacks the advanced vibration control and safety features of higher-end models, positioning it best for light-to-medium duty applications rather than heavy industrial chipping.
Everyday users and professionals praise the tool for its compact access and reliability in drilling anchor holes in masonry. The cordless nature is frequently highlighted as a major benefit for mobility. Common complaints include noticeable vibration without SHOCKS technology and rapid battery drain during prolonged chipping. Users also note that the total weight, including the battery, can become tiring during extended use.
“Compact access and anchor hole drilling in masonry”

“Reliable cordless freedom without cords”


