Greenworks 1900 PSI 1.2 GPM 13Amp Portable Compact vs Westinghouse WPX3400 Gas Pressure Washer, 3400 PSI
Updated July 2026 — Westinghouse WPX3400 Gas Pressure Washer, 3400 PSI leads on psi and weight.
The Greenworks 1900 PSI is ideal for light tasks and eco-conscious users, while the Westinghouse WPX3400 excels in power for heavy-duty cleaning.
Why Greenworks 1900 PSI 1.2 GPM 13Amp Portable Compact is better
Price
Greenworks is significantly cheaper.
Weight
Greenworks is lighter and more portable.
Eco-Friendliness
Greenworks uses less water and has zero emissions.
Why Westinghouse WPX3400 Gas Pressure Washer, 3400 PSI is better
Power
Westinghouse has higher PSI and GPM.
Durability
Westinghouse has a robust steel frame.
Versatility
Westinghouse offers more nozzle options.
Overall score
Specifications
| Spec | Greenworks 1900 PSI 1.2 GPM 13Amp Portable Compact | Westinghouse WPX3400 Gas Pressure Washer, 3400 PSI |
|---|---|---|
| Power Source | Electric | Gas |
| Nozzle Count | 3 | 5 |
| Start Type | Push Button | Recoil |
| Frame Material | Plastic | Steel |
| Emissions | Zero | Gas |
Dimension comparison
Design and Portability
The Greenworks 1900 PSI is a compact and lightweight electric pressure washer, while the Westinghouse WPX3400 is a heavy-duty gas model designed for more demanding tasks. The Greenworks unit is designed for easy transport with its compact design and heavy-duty wheels, making it user-friendly for a variety of outdoor cleaning jobs. In contrast, the Westinghouse model features a tough steel frame and 12-inch high-profile, never-flat wheels, emphasizing its rugged construction and maneuverability for tougher jobs. The Greenworks weighs less and is perfect for lighter cleaning tasks, while the Westinghouse is built for heavy-duty performance, suitable for larger areas and more significant grime.
Power and Performance
When it comes to raw power, the Westinghouse WPX3400 clearly outmatches the Greenworks 1900 PSI. The Westinghouse boasts an impressive 3400 PSI and a flow rate of 2.6 GPM compared to the Greenworks' 1900 PSI and 1.2 GPM. This translates to the Westinghouse being capable of tackling tougher cleaning jobs, such as heavy concrete stains or extensive outdoor areas. While the Greenworks is effective for lighter applications like cars and patios, the Westinghouse is built for more demanding tasks, providing nearly 79% more pressure and 117% more water flow, making it ideal for extensive clean-up projects.
Cleaning Versatility
Both the Greenworks 1900 PSI and Westinghouse WPX3400 offer a variety of nozzle options to enhance their cleaning versatility. The Greenworks comes with three specialized nozzles including a turbo nozzle for tough dirt, a 25-degree nozzle for vertical surfaces, and a 40-degree nozzle for larger flat areas. On the other hand, the Westinghouse model includes five quick-connect nozzles (0°, 15°, 25°, 40°, and soap), allowing users to adapt to various cleaning situations seamlessly. This makes the Westinghouse more versatile overall, as it can handle a broader range of surfaces and cleaning tasks, from cars to patios and more.
Ease of Use
The Greenworks 1900 PSI is designed with user-friendliness in mind, featuring a hassle-free push-button start and a 20-foot hose, making it easy to set up and use right away. Its lightweight construction aids in transport and storage, while the onboard GFCI allows safe usage near water sources. In contrast, the Westinghouse WPX3400, while providing powerful performance, requires more setup due to its gas-powered engine and 1-gallon gas tank. However, its maintenance-free axial cam pump and included quick-start guide help simplify the process. The Greenworks model is undoubtedly easier for casual users, while the Westinghouse may appeal more to those who prioritize power over simplicity.
Environmental Impact
The Greenworks 1900 PSI is an eco-friendly choice, using 30% less water than conventional pressure washers and producing zero emissions, which makes it suitable for environmentally-conscious consumers. The electric design also eliminates the need for gasoline, reducing the carbon footprint significantly. Conversely, the Westinghouse WPX3400 runs on gas, which, while powerful, contributes to emissions and requires proper fuel management. For those who care about their environmental impact, the Greenworks model stands out as the greener option, though it sacrifices some power in doing so.
Maintenance and Durability
In terms of maintenance, the Greenworks pressure washer benefits from its electric motor, which typically requires less upkeep compared to gas-powered units. It's backed by a 3-year limited tool warranty, ensuring peace of mind for buyers. Meanwhile, the Westinghouse WPX3400's 212cc engine requires regular maintenance, such as oil changes and fuel management, but it boasts a durable steel frame designed for heavy-duty use, which may extend its life under rigorous conditions. Users who prefer low-maintenance equipment will favor the Greenworks, while those who need a robust, high-performance machine might opt for the Westinghouse.
Price Comparison
The price difference between the two models is significant, with the Greenworks 1900 PSI priced at $127.99 and the Westinghouse WPX3400 at $349.00. This makes the Greenworks about 63% cheaper than the Westinghouse. While the Greenworks offers excellent value for light to medium cleaning tasks, the Westinghouse, with its superior power and performance, may justify its higher price for those requiring more heavy-duty capabilities. Buyers should consider the nature of their cleaning needs when deciding based on budget.
Which should you buy?
In conclusion, the choice between the Greenworks 1900 PSI and the Westinghouse WPX3400 ultimately depends on your specific cleaning requirements. If you need a compact, user-friendly, and eco-friendly electric pressure washer for lighter household tasks, the Greenworks is an excellent option at a lower price point. However, if you require a powerful gas pressure washer capable of tackling more significant projects and tougher grime, the Westinghouse is worth the investment despite its higher cost. Each model has its strengths, making it essential to evaluate your cleaning needs before making a decision.

