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Compare Generators Side-by-Side

Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.

  • Ryobi RYi4022X
  • Yamaha EF2800i
  • Model RYi4022X
    Model RYi4022X

    Ryobi 3,400W Gas Generator

    3400W
    Running
    72 dB
    Noise
    View details
  • Model EF2800i
    Model EF2800i

    Yamaha 2,500W Gas Generator

    2500W
    Running
    65 dB
    Noise
    View details
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
Generator Specifications Comparison
SpecificationRyobi RYi4022XYamaha EF2800i
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableNoNo
RV readyYesNo
Running watts
Winner: Winner: 3400 W
2500 W
Starting watts
Winner: Winner: 4000 W
2800 W
Noise (lower limit)
72 dB
Winner: Winner: 65 dB
Weight
85 lbs
Winner: Winner: 68 lbs
Run time @50% load
Winner: Winner: 12 h
Not available
Run time @25% load
Not available
14.7 h
Fuel tank
Not available
2.6 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
25 x 15.88 x 21.75
19.2 x 15.6 x 16.7
Electrical
Voltage (AC)
120
120
Voltage (DC)
Not available
12
GFCI outletsNoYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
Not available
2.5 %
Engine
Engine
212 cc Ryobi OHV 4-stroke
Yamaha MZ175 OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3400 W
2500 W
Starting watts
4000 W
2800 W
Running amps (120V)
Not available
Not available
Running amps (240V)
Not available
Not available
Peak amps (120V)
Not available
Not available
Peak amps (240V)
Not available
Not available
Run time @50% load
12 h
Not available
Run time @25% load
Not available
14.7 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB
EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
Not available
UPC
46396024183
799530396645
Core / High-priority specs
Running Watts (Gasoline)
3400
2500
Starting Watts (Gasoline)
4000
2800
Runtime @ 50% Load (Gasoline)
12
Not available
Runtime @ 25% Load (Gasoline)
Not available
14.7
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
1x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Ryobi OHV 4-stroke
OHV 4-stroke
Engine Displacement
212
171
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
14.7
Runtime @ 50% Load (Gasoline)
12
Not available
Safety & compliance
Overload Protection System
Overload protection
Not available
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringYesNo
Included equipment
Included Accessories
Oil, tool kit, and wheel kit
Not available
Warranty & identification
Residential Warranty
3
Not available
Commercial Warranty
3
Not available
Part Number
RYi4022VNM
Not available
Additional specs
Summary
The Ryobi RYi4022X is a 4000-Watt Gasoline Powered Digital Inverter Generator equipped with CO Detect Shutdown Sensor, designed to provide clean and consistent power suitable for sensitive electronics.
The Yamaha EF2800i is a lightweight and quiet inverter generator capable of powering a range of devices, from power tools to sensitive electronics, making it suitable for home backup, job sites, and on-the-go use.
  • Most Powerful
    Ryobi RYi4022X
    3400W running
  • Quietest
    Yamaha EF2800i
    65 dB
  • Longest Runtime
    Ryobi RYi4022X
    12h at 50% load
Where to buy
Prices can change. We update these automatically.
Ryobi RYi4022X
Store links
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Yamaha EF2800i
Store links
No links yet.
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