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.
- Genmax GM3500iAED
- Sportsman GEN1000i
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 | Genmax GM3500iAED | Sportsman GEN1000i |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | No |
| RV ready | No | No |
| Running watts | Winner: Winner: 3200 W | 800 W |
| Starting watts | Winner: Winner: 3500 W | 1000 W |
| Noise (lower limit) | 62 dB | Winner: Winner: 56 dB |
| Weight | 56.2 lbs | Winner: Winner: 20.3 lbs |
| Run time @50% load | Not available | Winner: Winner: 6.3 h |
| Run time @25% load | 9 h | Not available |
| Fuel tank | 1.7 gal | 1.7 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 20.9 x 12.2 x 19.7 | 15.6 x 8 x 13.8 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 5 | 12 |
| GFCI outlets | No | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | ≤3% % | Not available |
| Engine | ||
| Engine | 145 cc OHV 4-stroke | 40 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil |
| Warranty | ||
| Warranty | 1 years | 1 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3200 W | 800 W |
| Starting watts | 3500 W | 1000 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 | Not available | 6.3 h |
| Run time @25% load | 8 h | Not available |
| Propane | Not available | Not available |
| Running watts | 2800 W | Not available |
| Starting watts | 3100 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 | Not available | Not available |
| Run time @25% load | 16 h | 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 | true | Floating |
| UPC | 713424639021 | 27077802085 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3200 | 800 |
| Running Watts (Propane) | 2800 | Not available |
| Starting Watts (Gasoline) | 3500 | 1000 |
| Starting Watts (Propane) | 3100 | Not available |
| Runtime @ 50% Load (Gasoline) | Not available | 6.3 |
| Runtime @ 25% Load (Gasoline) | 8 | Not available |
| Runtime @ 25% Load (Propane) | 16 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R) | 1x 120V 20A (5-20R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 145 | 40 |
| Engine Oil Type | 10W-30 | SAE10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 8 | Not available |
| Runtime @ 50% Load (Gasoline) | Not available | 6.3 |
| Controls & display | ||
| Display Type | Not available | Inverter |
| Safety & compliance | ||
| Overload Protection System | Not available | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Included Accessories | Funnel, tool kit, key fob, propane hose, RV adapter, and battery | Funnel, tool kit, and battery charging cables |
| Warranty & identification | ||
| Part Number | Not available | GEN1000iC |
| Additional specs | ||
| Summary | The Genmax GM3500iAED is a 3,200-watt dual-fuel inverter generator that runs on gasoline or propane. At 56.2 lbs, it handles essential household loads like refrigerators and small power tools while remaining portable enough for camping or job sites. The 62 dB noise level keeps it residential-friendly. | 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. |
- Most PowerfulGenmax GM3500iAED3200W running
- QuietestSportsman GEN1000i56 dB
- Longest RuntimeSportsman GEN1000i6.3h at 50% load
Where to buy
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Genmax GM3500iAED
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Sportsman GEN1000i
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