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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 GM2200i
  • Powerhorse s8000id
  • Model GM2200i
    Model GM2200i

    Genmax 1,800W Gas Generator

    1800W
    Running
    58 dB
    Noise
    View details
  • Model s8000id
    Model s8000id

    Powerhorse 6,000W Dual-Fuel Generator

    6000W
    Running
    62 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 GM2200iPowerhorse s8000id
General
Product type
Generator
Generator
Fuel
Gasoline
Dual-Fuel
InverterYesYes
Parallel capableYesYes
RV readyNoNo
Running watts
1800 W
Winner: Winner: 6000 W
Starting watts
2200 W
Winner: Winner: 8000 W
Noise (lower limit)
Winner: Winner: 58 dB
62 dB
Weight
Winner: Winner: 41.9 lbs
135.7 lbs
Run time @50% load
6 h
Winner: Winner: 8 h
Run time @25% load
8 h
Not available—
Fuel tank
1 gal
3.78 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
18.9 x 11.4 x 17.3
27.2 x 20.3 x 21.7
Electrical
Voltage (AC)
120
120/240
Voltage (DC)
5
5
GFCI outletsNoYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
<3% %
3 %
Engine
Engine
79.7 cc Dinking OHV 4-stroke
298 cc OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Recoil
Recoil, Electric, Remote
Warranty
Warranty
1 years
2 years
Power by fuel
GasolineNot available—Not available—
Running watts
1800 W
6000 W
Starting watts
2200 W
8000 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
6 h
8 h
Run time @25% load
8 h
Not available—
PropaneNot available—Not available—
Running watts
Not available—
5400 W
Starting watts
Not available—
7200 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—
7 h
Run time @25% load
Not available—
Not available—
Other
Data center
Not available—
Not available—
Indicators
true
true
Compliance
EPA, ANSI/PGMA G300-2023
EPA, ANSI/PGMA G300-2023
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Not available—
true
UPC
738349925141
Not available—
Core / High-priority specs
Running Watts (Gasoline)
1800
6000
Running Watts (Propane)
Not available—
5400
Starting Watts (Gasoline)
2200
8000
Starting Watts (Propane)
Not available—
7200
Runtime @ 50% Load (Gasoline)
6
8
Runtime @ 50% Load (Propane)
Not available—
7
Runtime @ 25% Load (Gasoline)
8
Not available—
AC Outlet Types
1x Duplex 120V 20A (5-20R)
1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Dinking OHV 4-stroke
OHV 4-stroke
Engine Displacement
79.7
298
Engine Oil Type
10W-30
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
8
Not available—
Runtime @ 50% Load (Gasoline)
6
8
Runtime @ 50% Load (Propane)
Not available—
7
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Not available—
Recoil, Electric, Remote
Included Accessories
Funnel and tool kit
Funnel, tool kit, key fob, battery charger, propane hose, and battery
Warranty & identification
Part Number
Not available—
6075644
Additional specs
Summary
The GENMAX GM2200i is a 2200-watt gasoline inverter generator featuring a 79.7cc engine, CO detection, and parallel capability, designed for quiet and efficient power supply.
The Powerhorse s8000id is an 8000-watt dual fuel inverter generator designed for quiet and reliable power, suitable for various applications including home backup and outdoor events.
  • Most Powerful
    Powerhorse s8000id
    6000W running
  • Quietest
    Genmax GM2200i
    58 dB
  • Longest Runtime
    Powerhorse s8000id
    8h at 50% load
Where to buy
Prices can change. We update these automatically.
Genmax GM2200i
Store links
No links yet.
Powerhorse s8000id
Store links
No links yet.
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