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Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.

  • Sportsman GEN1000i
  • Yamaha EF4500iSE
  • Model GEN1000i
    Model GEN1000i

    Sportsman 800W Gas Generator

    800W
    Running
    56 dB
    Noise
    View details
  • Model EF4500iSE
    Model EF4500iSE

    Yamaha 4,000W Gas Generator

    4000W
    Running
    58 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
SpecificationSportsman GEN1000iYamaha EF4500iSE
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableNoNo
RV readyNoNo
Running watts
800 W
Winner: Winner: 4000 W
Starting watts
1000 W
Winner: Winner: 4500 W
Noise (lower limit)
Winner: Winner: 56 dB
58 dB
Weight
Winner: Winner: 20.3 lbs
209 lbs
Run time @50% load
Winner: Winner: 6.3 h
Not available
Run time @25% load
Not available
15.2 h
Fuel tank
1.7 gal
4.5 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
15.6 x 8 x 13.8
30.7 x 24.3 x 27.2
Electrical
Voltage (AC)
120
120
Voltage (DC)
12
Not available
GFCI outletsNoNo
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
Not available
3 %
Engine
Engine
40 cc OHV 4-stroke
Yamaha MZ360 OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Electric
Warranty
Warranty
1 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
800 W
4000 W
Starting watts
1000 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
6.3 h
Not available
Run time @25% load
Not available
15.2 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB, EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
Floating
UPC
27077802085
765053833196
Core / High-priority specs
Running Watts (Gasoline)
800
4000
Starting Watts (Gasoline)
1000
4500
Runtime @ 50% Load (Gasoline)
6.3
Not available
Runtime @ 25% Load (Gasoline)
Not available
15.2
AC Outlet Types
1x 120V 20A (5-20R)
1x Duplex 120V 20A (5-20R)1x 120V 30A (L5-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
40
357
Engine Oil Type
SAE10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
15.2
Runtime @ 50% Load (Gasoline)
6.3
Not available
Controls & display
Display Type
Inverter
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection, CO monitoring
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoYes
Included equipment
Included Accessories
Funnel, tool kit, and battery charging cables
Battery
Warranty & identification
Part Number
GEN1000iC
EF45ISEZ
Additional specs
Summary
The Sportsman GEN1000i is a gasoline inverter generator with a maximum wattage of 1000 peak watts and 800 running watts. It features a recoil start and is designed for lightweight, portable power delivery.
The Yamaha EF4500iSE is a 4500-watt inverter generator designed for maximum efficiency and minimal noise, suitable for emergency backup, recreational use, and DIY projects.
  • Most Powerful
    Yamaha EF4500iSE
    4000W running
  • Quietest
    Sportsman GEN1000i
    56 dB
  • Longest Runtime
    Sportsman GEN1000i
    6.3h at 50% load
Where to buy
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Sportsman GEN1000i
Store links
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Yamaha EF4500iSE
Store links
No links yet.
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