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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 GM3500Xi
  • Powerhorse LC4500i
  • Model GM3500Xi
    Model GM3500Xi

    Genmax 3,200W Gas Generator

    3200W
    Running
    66 dB
    Noise
    View details
  • Model LC4500i
    Model LC4500i

    Powerhorse 3,500W Gas Generator

    3500W
    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
SpecificationGenmax GM3500XiPowerhorse LC4500i
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableYesYes
RV readyNoYes
Running watts
3200 W
Winner: Winner: 3500 W
Starting watts
3500 W
Winner: Winner: 4500 W
Noise (lower limit)
66 dB
Winner: Winner: 57 dB
Weight
Winner: Winner: 57.3 lbs
99 lbs
Run time @50% load
Winner: Winner: 8.5 h
Not available—
Run time @25% load
13.5 h
10 h
Fuel tank
2.24 gal
2.6 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
18.9 x 13.6 x 17.7
22.8 x 17.3 x 20
Electrical
Voltage (AC)
120V 60 Hz
120
Voltage (DC)
5
5
GFCI outletsNoNo
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
≤3% %
<2% %
Engine
Engine
Dinking OHV 4-stroke
212 cc OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Recoil
Recoil, Electric
Warranty
Warranty
1 years
2 years
Power by fuel
GasolineNot available—Not available—
Running watts
3200 W
3500 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
8.5 h
Not available—
Run time @25% load
Not available—
10 h
Other
Data center
Not available—
Not available—
Indicators
true
true
Compliance
EPA, ANSI/PGMA G300-2023
CARB, EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Not available—
Not available—
UPC
713424639045
Not available—
Core / High-priority specs
Running Watts (Gasoline)
3200
3500
Starting Watts (Gasoline)
3500
4500
Runtime @ 50% Load (Gasoline)
8.5
Not available—
Runtime @ 25% Load (Gasoline)
Not available—
10
AC Outlet Types
1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R)
1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Dinking OHV 4-stroke
OHV 4-stroke
Engine Displacement
145
212
Engine Oil Type
SAE 10W/30
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available—
10
Runtime @ 50% Load (Gasoline)
8.5
Not available—
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Starting Components
Not available—
Recoil, Electric
Included Accessories
Funnel and tool kit
Funnel, tool kit, and battery
Warranty & identification
Part Number
Not available—
96387
Additional specs
Summary
The Genmax GM3500Xi is a 3,200-watt inverter generator built for homeowners, campers, and job site work. Its 3,500-watt peak output handles essential appliances and power tools, while the inverter technology keeps sensitive electronics safe. At 57.3 pounds, it moves easily between locations.
The Powerhorse LC4500i is a portable inverter generator designed to provide reliable and clean power for various applications, including home backup, camping, and outdoor events. It features a 212cc engine with electric start, producing 4,500 surge watts and 3,500 rated watts. The generator operates quietly at 57dB at 1/4 load and includes a parallel-ready design for connecting two units for increased power output.
  • Most Powerful
    Powerhorse LC4500i
    3500W running
  • Quietest
    Powerhorse LC4500i
    57 dB
  • Longest Runtime
    Genmax GM3500Xi
    8.5h at 50% load
Where to buy
Prices can change. We update these automatically.
Genmax GM3500Xi
Store links
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Powerhorse LC4500i
Store links
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