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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 RYi6522
  • Yamaha EF2200iS
  • Model RYi6522
    Model RYi6522

    Ryobi 5,500W Gas Generator

    5500W
    Running
    72.3 dB
    Noise
    View details
  • Model EF2200iS
    Model EF2200iS

    Yamaha 1,800W Gas Generator

    1800W
    Running
    57 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 RYi6522Yamaha EF2200iS
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableNoYes
RV readyYesYes
Running watts
Winner: Winner: 5500 W
1800 W
Starting watts
Winner: Winner: 6500 W
2200 W
Noise (lower limit)
72.3 dB
Winner: Winner: 57 dB
Weight
118 lbs
Winner: Winner: 55.2 lbs
Run time @50% load
Winner: Winner: 8.5 h
Not available
Run time @25% load
Not available
10.5 h
Fuel tank
4 gal
1.24 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
24.4 x 20.9 x 22.5
21.9 x 11.8 x 18.5
Electrical
Voltage (AC)
120
120
Voltage (DC)
5
12
GFCI outletsYesNo
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
5 %
2.5 %
Engine
Engine
298 cc OHV 4-stroke
79 cc Yamaha MZ80 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
5500 W
1800 W
Starting watts
6500 W
2200 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
8.5 h
Not available
Run time @25% load
Not available
10.5 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
Not available
UPC
46396052193
810856030317
Core / High-priority specs
Running Watts (Gasoline)
5500
1800
Starting Watts (Gasoline)
6500
2200
Runtime @ 50% Load (Gasoline)
8.5
Not available
Runtime @ 25% Load (Gasoline)
Not available
10.5
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (TT-30R); 1x 120/240V 30A (L14-30R)
1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
298
79
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
10.5
Runtime @ 50% Load (Gasoline)
8.5
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringYesYes
Included equipment
Included Accessories
Oil, tool kit, and wheel kit
No accessories
Warranty & identification
Commercial Warranty
3
3
Additional specs
Summary
The Ryobi RYi6522 is a 6500-watt open frame inverter generator designed to provide reliable power for various applications, including RVs, home backup, and job sites. It features a 298cc OHV engine delivering 6500 starting watts and 5500 running watts, CO Detect carbon monoxide shutdown sensor for added safety, and Pure Sine Wave Technology to safely power sensitive electronics.
The Yamaha EF2200iS is a portable inverter generator that offers a balance between power and portability, making it ideal for campers, caravanners, adventurers, and outdoor enthusiasts.
  • Most Powerful
    Ryobi RYi6522
    5500W running
  • Quietest
    Yamaha EF2200iS
    57 dB
  • Longest Runtime
    Ryobi RYi6522
    8.5h at 50% load
Where to buy
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Ryobi RYi6522
Store links
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Yamaha EF2200iS
Store links
No links yet.
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