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.
- Honda EB5000X
- Yamaha EF3000iS
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 | Honda EB5000X | Yamaha EF3000iS |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | No | Yes |
| Parallel capable | No | No |
| RV ready | No | No |
| Running watts | Winner: Winner: 4500 W | 2800 W |
| Starting watts | Winner: Winner: 5000 W | 3000 W |
| Noise (lower limit) | 63 dB | Winner: Winner: 54.5 dB |
| Weight | 210.8 lbs | Winner: Winner: 136 lbs |
| Run time @50% load | Winner: Winner: 10.5 h | Not available |
| Run time @25% load | 10.5 h | 18.6 h |
| Fuel tank | 6.2 gal | 3.4 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 41.1 x 27.8 x 30.4 | 26.8 x 17.5 x 21.9 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120 |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 10 % | Not available |
| Engine | ||
| Engine | Honda iGX390 OHV 4-stroke, cast iron sleeve | 171 cc 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 | 4500 W | 2800 W |
| Starting watts | 5000 W | 3000 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 | 10.5 h | Not available |
| Run time @25% load | Not available | 18.6 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | true |
| Compliance | EPA, ANSI/PGMA G300-2023 | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | Floating |
| UPC | 786102007368 | 810856030645 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 4500 | 2800 |
| Starting Watts (Gasoline) | 5000 | 3000 |
| Runtime @ 50% Load (Gasoline) | 10.5 | Not available |
| Runtime @ 25% Load (Gasoline) | Not available | 18.6 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R) | AC outlets1x Duplex 120V 20A (5-20R)1x 120V 30A (L5-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke, cast iron sleeve | Yamaha MZ175 OHV 4-stroke |
| Engine Displacement | 389 | 171 |
| Cylinder Sleeve | Cast iron sleeve | Not available |
| Engine Oil Type | 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 18.6 |
| Runtime @ 50% Load (Gasoline) | 10.5 | Not available |
| Safety & compliance | ||
| Overload Protection System | Not available | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Included Accessories | Wheel kit | Battery charging cables |
| Warranty & identification | ||
| Commercial Warranty | Not available | 3 |
| Part Number | EB5000XK3AN | Not available |
| Additional specs | ||
| Summary | The Honda EB5000X is a 4,500-watt gasoline generator built for job sites and extended outages. Its 389cc Honda engine delivers 5,000 peak watts with a 6.2-gallon tank that runs 10.5 hours at 50% load. The recoil-start design and GFCI outlets handle most household and light commercial loads without inverter complexity. | The Yamaha EF3000iS is a 3000-watt inverter generator designed for quiet operation and portability, featuring advanced technologies like Smart Throttle and Noise Block, and backed by a 3-year limited warranty. |
- Most PowerfulHonda EB5000X4500W running
- QuietestYamaha EF3000iS54.5 dB
- Longest RuntimeHonda EB5000X10.5h at 50% load
Where to buy
Prices can change. We update these automatically.
Honda EB5000X
Store links
No links yet.
Yamaha EF3000iS
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.