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| Specification | Generac #7153 GP3300i | Yamaha EF2800i |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | No |
| RV ready | No | No |
| 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 gauge | No | Yes |
| 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 outlets | No | Yes |
| Covered outlets | No | No |
| Automatic Voltage Regulation | Yes | Yes |
| 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 | ||
| Gasoline | Not available | Not 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 arrestor | Yes | Yes |
| 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 Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| 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. |
