RYOBI vs. Greenworks vs. SIMPSON: which pressure washer should you buy?
The RYOBI and Greenworks are corded electric machines built for routine residential cleaning. The SIMPSON steps up to gas power and substantially higher water flow for larger concrete and exterior jobs.
Recommendations are based on current manufacturer specifications and documented features. We have not personally tested these products. Prices and availability can change.
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Products compared
RYOBI RY142500
Key specifications: 2,500 PSI, 1.2 GPM, brushless electric motor, 25-foot pressure hose, onboard detergent tank, 12-inch flat-free wheels, and 15-degree, turbo, and soap nozzles.
Best for: Decks, fences, siding, patio furniture, sidewalks, and occasional small-driveway cleaning without gas-engine maintenance.
Tradeoff: At 1.2 GPM it will rinse large areas more slowly than the gas-powered SIMPSON, despite the useful pressure rating.
Greenworks GPW2301
Key specifications: 2,300 max PSI at 1.2 GPM, up to 2.3 GPM at 100 PSI, brushless motor, 25-foot hose, 35-foot GFCI cord, five nozzles, three-year tool warranty, and ten-year motor warranty.
Best for: Buyers who want versatile electric cleaning, strong low-pressure rinsing flow, and long advertised motor coverage.
Tradeoff: The headline 2.3 GPM figure occurs at only 100 PSI; it does not deliver 2,300 PSI and 2.3 GPM simultaneously.
SIMPSON MegaShot MS61224
Key specifications: 3,300 PSI, 2.4 GPM, Honda GCV200 engine, OEM Technologies axial-cam pump, 25-foot MorFlex hose, 12-inch wheels, and a listed weight of 75 pounds.
Best for: Larger driveways, concrete, exterior preparation, and frequent jobs where higher flow saves meaningful time.
Tradeoff: Gas adds noise, exhaust, fuel storage, seasonal maintenance, and more risk of damaging softer surfaces if technique is poor.
Our practical pick
The RYOBI RY142500 is the practical choice for most homeowners because it offers useful medium-duty pressure without the upkeep of a gas engine. The Greenworks is attractive when its warranty and low-pressure rinsing mode matter more. Buy the SIMPSON only when larger concrete jobs justify the extra flow and maintenance.
Pressure and flow work together
PSI describes pressure while GPM describes water flow. Pressure helps break the bond with the surface; flow carries loosened material away. Never multiply maximum figures that occur under different operating conditions and treat the result as real output.
Protect softer surfaces
Concrete tolerates a different approach than siding, wood, vehicles, or screens. Start with a wider nozzle and more distance, test an inconspicuous area, and avoid forcing water behind siding or into electrical components.
Budget for the complete system
Include the appropriate surface cleaner, hoses, fittings, detergent, pump protection, and storage. A surface cleaner sized for the machine often changes driveway-cleaning speed more than a small difference in headline PSI.