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 EM6500SX
- Ryobi RY906500S
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 EM6500SX | Ryobi RY906500S |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | No |
| Running watts | 5500 W | Winner: Winner: 6500 W |
| Starting watts | 6500 W | Winner: Winner: 8125 W |
| Noise (lower limit) | Winner: Winner: 64 dB | 72 dB |
| Weight | 231.7 lbs | Winner: Winner: 195 lbs |
| Run time @50% load | 9.8 h | Winner: Winner: 10 h |
| Run time @25% load | Not available | Not available |
| Fuel tank | 6.2 gal | 6 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 41.4 x 27.8 x 28.3 | 39 x 29 x 24.5 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240 |
| Voltage (DC) | 12 | Not available |
| GFCI outlets | Yes | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | 20 % |
| Engine | ||
| Engine | Honda iGX390 OHV 4-stroke, cast iron sleeve | 420 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 5500 W | 6500 W |
| Starting watts | 6500 W | 8125 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 | 9.8 h | 10 h |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | false |
| Compliance | EPA, ANSI/PGMA G300-2023 | EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Bonded to frame |
| UPC | 786102007429 | 46396023483 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 5500 | 6500 |
| Starting Watts (Gasoline) | 6500 | 8125 |
| Runtime @ 50% Load (Gasoline) | 9.8 | 10 |
| AC Outlet Types | AC outlets2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R) | 2x Duplex 120V 20A (5-20R) GFCI1x 120/240V 30A (L14-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | Honda iGX390 OHV 4-stroke, cast iron sleeve | OHV 4-stroke |
| Engine Displacement | 389 | 420 |
| Cylinder Sleeve | Cast iron sleeve | Not available |
| Engine Oil Type | 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 50% Load (Gasoline) | 9.8 | 10 |
| 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, Electric, Remote | Not available |
| Included Accessories | Battery and wheel kit | Oil, tool kit, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 3 | 3 |
| Part Number | EM6500SXK2AN | Not available |
| Additional specs | ||
| Summary | The Honda EM6500SX is a 6500-watt generator equipped with an electric start, Bluetooth capability, and CO-MINDER for advanced carbon monoxide detection. It offers a long run time of up to 9.8 hours and can power a variety of household appliances. | The Ryobi RY906500S is a 6,500-watt gasoline-powered portable generator equipped with a CO shutdown sensor for enhanced safety. It features a 6-gallon fuel tank providing up to 10 hours of runtime at 50% load, and includes multiple outlets for versatile power needs. |
- Most PowerfulRyobi RY906500S6500W running
- QuietestHonda EM6500SX64 dB
- Longest RuntimeRyobi RY906500S10h at 50% load
Where to buy
Prices can change. We update these automatically.
Honda EM6500SX
Store links
No links yet.
Ryobi RY906500S
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.