WEN DF680iX vs Yamaha EF6300iSDE
What is the difference?
The WEN DF680iX has 5.1 kW of running power, 6.8 kW peak. The Yamaha EF6300iSDE has 5.5 kW of running power, 6.3 kW peak.
The WEN DF680iX has a 2.9 gal tank, the Yamaha EF6300iSDE has a 4.5 gal tank.
Both have a 3-year warranty.
Specs side by side
| WEN DF680iX | Yamaha EF6300iSDE | |
|---|---|---|
| Running W | 5100 | 5500 |
| Peak W | 6800 | 6300 |
| Fuel | dual-fuel | — |
| Tank (gal) | 2.9 | 4.5 |
| Run time @50 % (h) | 6.1 | — |
| Noise (dB) | — | — |
| CO shutoff | yes | — |
| Weight (lb) | — | 216 |
| Warranty (yr) | 3 | 3 |
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Specs as read from manufacturer pages on 2026-11-04 / 2026-10-26. Specs one maker does not list are left out of the comparison. Sponsored links; we may earn a commission.
Common questions
Which has more running watts, WEN DF680iX or Yamaha EF6300iSDE?
The Yamaha EF6300iSDE. More running watts: 5500 W vs 5100 W.
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