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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.

  • Honda EM5000SX
  • Ryobi RY904500
  • Model EM5000SX
    Model EM5000SX

    Honda 4,500W Gas Generator

    4500W
    Running
    63 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
SpecificationHonda EM5000SXRyobi RY904500
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoYes
Running watts
Winner: Winner: 4500 W
3600 W
Starting watts
Winner: Winner: 5000 W
4500 W
Noise (lower limit)
Winner: Winner: 63 dB
82 dB
Weight
226.4 lbs
Winner: Winner: 115 lbs
Run time @50% load
Winner: Winner: 10.5 h
10 h
Run time @25% load
Not available
Not available
Fuel tank
6.2 gal
4 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
41.1 x 27.8 x 28.3
24 x 26 x 20
Electrical
Voltage (AC)
120/240
120
Voltage (DC)
12
Not available
GFCI outletsYesNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
Not available
Engine
Engine
Honda iGX390 OHV 4-stroke, cast iron sleeve
212 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Not available
Recoil
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
4500 W
3600 W
Starting watts
5000 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
10.5 h
10 h
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
false
false
Compliance
EPA, ANSI/PGMA G300-2023
EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
Not available
UPC
786102007412
46396056023
Core / High-priority specs
Running Watts (Gasoline)
4500
3600
Starting Watts (Gasoline)
5000
4500
Runtime @ 50% Load (Gasoline)
10.5
10
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)
2x Duplex 120V 20A (5-20R) 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Not available
OHV 4-stroke
Engine Displacement
389
212
Cylinder Sleeve
cast iron sleeve
Not available
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
10.5
10
Safety & compliance
Overload Protection System
Not available
Low oil and overload protection
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringYesYes
Included equipment
Mobility Components
Yes
Not available
Starting Components
Recoil, Electric, Remote
Not available
Included Accessories
Battery and wheel kit
Oil and wheel kit
Warranty & identification
Commercial Warranty
3
Not available
Part Number
EM5000SXK3AN
Not available
Additional specs
Summary
The Honda EM5000SX is a 5000-watt 120/240V generator equipped with CO-MINDER™, providing 7,000 watts for 10 seconds to start larger equipment. It features a long run time of up to 10.5 hours, electric start, and Bluetooth® capability via the Honda My Generator app.
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
    Honda EM5000SX
    4500W running
  • Quietest
    Honda EM5000SX
    63 dB
  • Longest Runtime
    Honda EM5000SX
    10.5h at 50% load
Where to buy
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Honda EM5000SX
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Ryobi RY904500
Store links
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