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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.

  • Genmax GM3500iAED
  • Ryobi RY904500
  • Model GM3500iAED
    Model GM3500iAED

    Genmax 3,200W Dual-Fuel Generator

    3200W
    Running
    62 dB
    Noise
    View details
  • Model RY904500
    Model RY904500

    Ryobi 3,600W Gas Generator

    3600W
    Running
    82 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
SpecificationGenmax GM3500iAEDRyobi RY904500
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Gasoline
InverterYesNo
Parallel capableYesNo
RV readyNoYes
Running watts
3200 W
Winner: Winner: 3600 W
Starting watts
3500 W
Winner: Winner: 4500 W
Noise (lower limit)
Winner: Winner: 62 dB
82 dB
Weight
Winner: Winner: 56.2 lbs
115 lbs
Run time @50% load
Not available—
Winner: Winner: 10 h
Run time @25% load
9 h
Not available—
Fuel tank
1.7 gal
4 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
20.9 x 12.2 x 19.7
24 x 26 x 20
Electrical
Voltage (AC)
120
120
Voltage (DC)
5
Not available—
GFCI outletsNoNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
≤3% %
Not available—
Engine
Engine
145 cc OHV 4-stroke
212 cc OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Recoil, Electric, Remote
Recoil
Warranty
Warranty
1 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
3200 W
3600 W
Starting watts
3500 W
4500 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
Not available—
10 h
Run time @25% load
8 h
Not available—
PropaneNot available—Not available—
Running watts
2800 W
Not available—
Starting watts
3100 W
Not available—
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
Not available—
Not available—
Run time @25% load
16 h
Not available—
Other
Data center
Not available—
Not available—
Indicators
true
false
Compliance
EPA, ANSI/PGMA G300-2023
EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
true
Not available—
UPC
713424639021
46396056023
Core / High-priority specs
Running Watts (Gasoline)
3200
3600
Running Watts (Propane)
2800
Not available—
Starting Watts (Gasoline)
3500
4500
Starting Watts (Propane)
3100
Not available—
Runtime @ 50% Load (Gasoline)
Not available—
10
Runtime @ 25% Load (Gasoline)
8
Not available—
Runtime @ 25% Load (Propane)
16
Not available—
AC Outlet Types
1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R)
2x 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
145
212
Engine Oil Type
10W-30
Not available—
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
8
Not available—
Runtime @ 50% Load (Gasoline)
Not available—
10
Safety & compliance
Overload Protection System
Not available—
Low oil and overload protection
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringYesYes
Included equipment
Included Accessories
Funnel, tool kit, key fob, propane hose, RV adapter, and battery
Oil and wheel kit
Additional specs
Summary
The Genmax GM3500iAED is a 3,200-watt dual-fuel inverter generator that runs on gasoline or propane. At 56.2 lbs, it handles essential household loads like refrigerators and small power tools while remaining portable enough for camping or job sites. The 62 dB noise level keeps it residential-friendly.
The Ryobi RY904500 is a 3600-watt portable gasoline generator, delivering 4500 starting watts. It features a 212cc OHV engine, a 4-gallon fuel tank providing up to 10 hours of runtime at 50% load, and is RV-ready with a 120V 30A RV outlet.
  • Most Powerful
    Ryobi RY904500
    3600W running
  • Quietest
    Genmax GM3500iAED
    62 dB
  • Longest Runtime
    Ryobi RY904500
    10h at 50% load
Where to buy
Prices can change. We update these automatically.
Genmax GM3500iAED
Store links
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Ryobi RY904500
Store links
No links yet.
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