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

  • Generac #7153 GP3300i
  • Yamaha EF2800i
  • Model #7153 GP3300i
    Model #7153 GP3300i

    Generac 2,500W Gas Generator

    2500W
    Running
    0 dB
    Noise
    View details
  • Model EF2800i
    Model EF2800i

    Yamaha 2,500W Gas Generator

    2500W
    Running
    65 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
SpecificationGenerac #7153 GP3300iYamaha EF2800i
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableYesNo
RV readyNoNo
Running watts
Winner: Winner: 2500 W
Winner: Winner: 2500 W
Starting watts
Winner: Winner: 3300 W
2800 W
Noise (lower limit)
0 dB
Winner: Winner: 65 dB
Weight
Winner: Winner: 59.5 lbs
68 lbs
Run time @50% load
Winner: Winner: 4.5 h
Not available
Run time @25% load
7 h
14.7 h
Fuel tank
1.06 gal
2.6 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
22.2 x 13.3 x 18.4
19.2 x 15.6 x 16.7
Electrical
Voltage (AC)
120
120
Voltage (DC)
5
12
GFCI outletsNoYes
Covered outletsNoNo
Automatic Voltage RegulationYesYes
THD
<3% %
2.5 %
Engine
Engine
Generac OHV 149 cc 4-stroke
Yamaha MZ175 OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
2500 W
2500 W
Starting watts
3300 W
2800 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
4.5 h
Not available
Run time @25% load
7 h
14.7 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
EPA, ANSI/PGMA G300-2023
EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
Not available
UPC
696471104011
799530396645
Core / High-priority specs
Running Watts (Gasoline)
2500
2500
Starting Watts (Gasoline)
3300
2800
Runtime @ 50% Load (Gasoline)
4.5
Not available
Runtime @ 25% Load (Gasoline)
7
14.7
AC Outlet Types
1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R)
1x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
149
171
Engine Oil Type
10W-30 / SAE 30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
7
14.7
Runtime @ 50% Load (Gasoline)
4.5
Not available
Safety & compliance
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Starting Components
Recoil
Not available
Warranty & identification
Part Number
71533
Not available
Additional specs
Summary
The Generac GP3300i is a 2,500-watt inverter generator built for users who need portable, clean power without the weight penalty. At 59.5 lbs, it moves easily between campsites, tailgates, and home backup scenarios. The 3,300-watt starting capacity handles motor-driven equipment, while sub-3% THD protects laptops and phones from voltage spikes.
The Yamaha EF2800i is a lightweight and quiet inverter generator capable of powering a range of devices, from power tools to sensitive electronics, making it suitable for home backup, job sites, and on-the-go use.
  • Most Powerful
    Generac #7153 GP3300i
    2500W running
  • Quietest
    Yamaha EF2800i
    65 dB
  • Longest Runtime
    Generac #7153 GP3300i
    4.5h at 50% load
Where to buy
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Generac #7153 GP3300i
Store links
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Yamaha EF2800i
Store links
No links yet.
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