Ryobi RPGENINV4K vs Yamaha EF3000iSE Inverter Generators


Lighter model

Higher running power

More AC outlets

View at My Generator

Yamaha EF3000iSE

Better run time

Quieter operation

Certain safety features

View at My Generator

Whether it’s for high-power needs such as home backup during power outages, running multiple tools on construction sites, powering food trucks or coffee vans, or even supporting outdoor events or industrial machinery, large portable generators can be hugely beneficial.

However, selecting the right one that meets your needs, is easy to handle and falls within your budget can be a bit of a challenge. This is precisely why we are comparing the Ryobi RPGENINV4K with Yamaha EF3000iSE inverter generator units. These models come with several key selling points according to their brands, boasting features such as pure sine wave outlets and easy start technology.

We’ll examine these models across various technical parameters to help you determine which one is a superior fit for your specific requirements.

Performance & Power

Running Power (W): The Ryobi model provides 3100W compared to 3000W from the Yamaha unit. The running power signifies the amount of continuous power the generator can provide – it’s essential that your devices’ total running watts don’t exceed this number. Hence, the 100W additional output from the Ryobi model could drive devices like Water Heaters and Industrial Vacuums more comfortably without exceeding the threshold.

Starting Power (W): Here, there’s no difference – both offer a starting power of 4000W. This figure indicates how much peak wattage a generator can afford for a short span to start devices that need an initial burst of power.

Engine Type: Both models house an OHV (Overhead Valve) engine, which offers more mileage per gallon of fuel and extended engine life. The Ryobi model has a larger engine at 212cc in comparison to Yamaha’s 171cc version.

Rated Output (kVA): With this spec, Yamaha edges out as it has a stated output of 2.8kVA. For Ryobi, the data is not available.

Inverter: Both units come equipped with inverter technology, empowering them to produce cleaner power necessary for sensitive electronics like laptops and mobile phones.

Fuel & Run Time

Fuel Type: Both models run on petrol.

Fuel Tank Capacity: Yamaha carries a slightly larger fuel tank at 13L compared to Ryobi’s 12L. This difference means you would need to refill the Yamaha generator less frequently.

Run Time: Here, Yamaha scores better again with boasted run time of 20.5 hours at 1/4 load compared to Ryobi’s 12 hours at half load. The longer run time can be handy when fuel availability is minimal or when using the unit for extended periods.

Physical Specs

Dry Weight: At just 35kg, Ryobi is nearly half the weight of Yamaha’s model which comes in at 67 kg. The lighter weight indicates that Ryobi will be easier to manoeuvre and transport.

Size: In terms of size, even though differences are marginal, the more compact model is Ryobi measuring at 58.5cm x 38cm x 54cm as against Yamaha’s generator at 68 cm x 44.5 cm x 55.5 cm.

Wheels: Both devices come fitted with wheels which facilitates ease of movement.

Outlets & Parallel Use

AC Outlets: More AC outlets mean you can power more devices concurrently. On this front, Ryobi surpasses with three outlets whereas Yamaha provides two.

DC Outlets: While Yamaha offers a single DC outlet rated for “12V-8A”, such information isn’t available for the Ryobi model.

Parallel Use: Neither the Ryobi nor the Yamaha model supports parallel use.

Features & Usability

Features: Both differ in starter systems. While Ryobi employs an ‘Easy start technology,’ Yamaha uses a ‘Recoil/Electric’ mechanism. Regarding a safety feature, Yamaha’s model is the only one with a spark arrestor.

Noise Level

Both models widely vary in noise level. Ryobi operates at 67 dBA whereas Yamaha is significantly quieter at just 51 dBA.

Ryobi RPGENINV4K vs Yamaha EF3000iSE Comparison Table

Ryobi RPGENINV4K vs Yamaha EF3000iSE


In conclusion, the Ryobi RPGENINV4K checks the boxes for a lighter, more portable option featuring higher running power and more AC outlets – this could be suitable for those frequently on-the-go or needing power for multiple devices simultaneously. On the other hand, the Yamaha EF3000iSE shines in terms of power efficiency with superior run time and more quiet operation – potentially perfect for longer use or sensitive environments.