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.
- Generac #7153 GP3300i
- Powermate PM1200i
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 | Generac #7153 GP3300i | Powermate PM1200i |
|---|---|---|
| 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 | 1000 W |
| Starting watts | Winner: Winner: 3300 W | 1200 W |
| Noise (lower limit) | 0 dB | 0 dB |
| Weight | 59.5 lbs | Winner: Winner: 33 lbs |
| Run time @50% load | 4.5 h | Winner: Winner: 5.5 h |
| Run time @25% load | 7 h | 7 h |
| Fuel tank | 1.06 gal | 0.79 gal |
| Fuel gauge | No | No |
| Approx. dimensions (L × W × H) | 22.2 x 13.3 x 18.4 | 18.3 x 10.3 x 15.7 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 5 | Not available |
| GFCI outlets | No | No |
| Covered outlets | No | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | <3% % | Less than 3% % |
| Engine | ||
| Engine | Generac OHV 149 cc 4-stroke | 54 cc 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 | 1000 W |
| Starting watts | 3300 W | 1200 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 | 5.5 h |
| Run time @25% load | 7 h | 7 h |
| 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 | Not available | Not available |
| UPC | 696471104011 | 696471078909 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 2500 | 1000 |
| Starting Watts (Gasoline) | 3300 | 1200 |
| Runtime @ 50% Load (Gasoline) | 4.5 | 5.5 |
| Runtime @ 25% Load (Gasoline) | 7 | 7 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R) | 1x Duplex 120V 20A (5-20R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 149 | 54 |
| Engine Oil Type | 10W-30 / SAE 30 | 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 7 | 7 |
| Runtime @ 50% Load (Gasoline) | 4.5 | 5.5 |
| Safety & compliance | ||
| Overload Protection System | Not available | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Starting Components | Recoil | Not available |
| Included Accessories | Not available | Funnel and tool kit |
| 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 Powermate PM1200i is a portable inverter generator designed to provide clean and stable power for sensitive electronics, tools, and appliances. It features a fully enclosed case for ultra-quiet operation and RPM+ technology that automatically adjusts engine RPM based on load demand to reduce sound emissions and conserve fuel. |
- Most PowerfulGenerac #7153 GP3300i2500W running
- QuietestdB
- Longest RuntimePowermate PM1200i5.5h at 50% load
Where to buy
Prices can change. We update these automatically.
Generac #7153 GP3300i
Store links
No links yet.
Powermate PM1200i
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.