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.
- WEN DF280iX
- Yamaha EF4500iSE
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).
| Specification | WEN DF280iX | Yamaha EF4500iSE |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | No |
| RV ready | No | No |
| Running watts | 2250 W | Winner: Winner: 4000 W |
| Starting watts | 2800 W | Winner: Winner: 4500 W |
| Noise (lower limit) | 60 dB | Winner: Winner: 58 dB |
| Weight | Winner: Winner: 45.2 lbs | 209 lbs |
| Run time @50% load | Winner: Winner: 9 h | Not available |
| Run time @25% load | Not available | 15.2 h |
| Fuel tank | 1.58 gal | 4.5 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 19.7 x 11.6 x 18.7 | 30.7 x 24.3 x 27.2 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 12 | Not available |
| GFCI outlets | No | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 1.2 % | 3 % |
| Engine | ||
| Engine | 98 cc OHV 4-stroke | Yamaha MZ360 OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil | Electric |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 2250 W | 4000 W |
| Starting watts | 2800 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 | 9 h | Not available |
| Run time @25% load | Not available | 15.2 h |
| Propane | Not available | Not available |
| Running watts | 2000 W | Not available |
| Starting watts | 2800 W | Not available |
| 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 | 13.9 h | Not available |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | EPA, ANSI/PGMA G300-2023 | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Floating |
| UPC | 44459672753 | 765053833196 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 2250 | 4000 |
| Running Watts (Propane) | 2000 | Not available |
| Starting Watts (Gasoline) | 2800 | 4500 |
| Starting Watts (Propane) | 2800 | Not available |
| Runtime @ 50% Load (Gasoline) | 9 | Not available |
| Runtime @ 50% Load (Propane) | 13.9 | Not available |
| Runtime @ 25% Load (Gasoline) | Not available | 15.2 |
| AC Outlet Types | 1x Duplex 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 | 98 | 357 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 15.2 |
| Runtime @ 50% Load (Gasoline) | 9 | Not available |
| Runtime @ 50% Load (Propane) | 13.9 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection, CO monitoring |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Recoil | Not available |
| Included Accessories | Funnel, tool kit, and propane hose | Battery |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Part Number | Not available | EF45ISEZ |
| Additional specs | ||
| Summary | The WEN DF280iX is a 2800-watt dual-fuel inverter generator that offers clean and quiet portable power, suitable for sensitive electronics and various outdoor activities. | 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 PowerfulYamaha EF4500iSE4000W running
- QuietestYamaha EF4500iSE58 dB
- Longest RuntimeWEN DF280iX9h at 50% load
Where to buy
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WEN DF280iX
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Yamaha EF4500iSE
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