GaN chargers run cooler and can be built smaller at the same wattage because the material handles higher frequencies with less energy lost as heat.
Silicon chargers are typically less expensive but bulkier at equivalent wattage.
| Factor | Gan (gallium nitride) | Traditional silicon |
|---|---|---|
| Typical speed | Higher | Lower to comparable |
| Convenience | Lower | Higher |
| Cost per watt | Varies by brand | Varies by capacity |
Which to choose
Neither GaN (gallium nitride) nor traditional silicon is strictly better — the right choice depends on whether you’re optimizing for charging speed or flexibility of use.