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.
- A-iPower SUA3800i
- Yamaha EF6300iSDE
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 | A-iPower SUA3800i | Yamaha EF6300iSDE |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | No |
| RV ready | No | No |
| Running watts | 3500 W | Winner: Winner: 5500 W |
| Starting watts | 3800 W | Winner: Winner: 6300 W |
| Noise (lower limit) | 63 dB | Winner: Winner: 58 dB |
| Weight | Winner: Winner: 121 lbs | 216 lbs |
| Run time @50% load | Winner: Winner: 7 h | 5 h |
| Run time @25% load | 12 h | 13.3 h |
| Fuel tank | 2.6 gal | 4.5 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 24 x 19 x 22 | 30.7 x 24.3 x 27.2 |
| Electrical | ||
| Voltage (AC) | 120 | 120/240 |
| Voltage (DC) | 12 | Not available |
| GFCI outlets | No | Yes |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | <4.0% % |
| Engine | ||
| Engine | 223 cc Senci OHV 4-stroke | 357 cc 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 | 3500 W | 5500 W |
| Starting watts | 3800 W | 6300 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 | 7 h | Not available |
| Run time @25% load | 12 h | 13.3 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | true |
| UPC | 851217006916 | 765053849371 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3500 | 5500 |
| Starting Watts (Gasoline) | 3800 | 6300 |
| Runtime @ 50% Load (Gasoline) | 7 | Not available |
| Runtime @ 25% Load (Gasoline) | 12 | 13.3 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R) | 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 | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 223 | 357 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 12 | 13.3 |
| Runtime @ 50% Load (Gasoline) | 7 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | No | Yes |
| Carbon Monoxide Monitoring | No | Yes |
| Included equipment | ||
| Starting Components | Oil, funnel, tool kit, RV adapter, and battery charging cables | Not available |
| Included Accessories | Oil, funnel, tool kit, RV adapter, and battery charging cables | Battery |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Part Number | Not available | EF63ISDEX |
| Additional specs | ||
| Summary | The A-iPower SUA3800i is a 3500-watt inverter generator built for job sites and temporary power needs where portability matters but runtime endurance is secondary. Its gasoline engine delivers clean power suitable for sensitive electronics, making it viable for both construction work and RV backup scenarios. | The Yamaha EF6300iSDE is a powerful and advanced inverter generator, ideal for emergency backup, recreational use, and DIY projects. It offers a maximum output of 6300 watts and operates quietly between 58 to 64 decibels. |
- Most PowerfulYamaha EF6300iSDE5500W running
- QuietestYamaha EF6300iSDE58 dB
- Longest RuntimeA-iPower SUA3800i7h at 50% load
Where to buy
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A-iPower SUA3800i
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Yamaha EF6300iSDE
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