Journal · Charging & Power
GaN vs silicon chargers: what's the difference?
Short answer
GaN (gallium nitride) chargers do the same job as silicon chargers but switch power more efficiently — so they're roughly 40% smaller, run noticeably cooler, and can charge several devices from one plug. In 2026 there's no good reason to buy a new silicon charger.
What is a GaN charger?
Every charger converts wall power to the voltage your device needs by switching current thousands of times per second. Traditional chargers switch with silicon transistors; GaN chargers use gallium nitride, a newer semiconductor that switches faster and wastes far less energy as heat.
Less heat compounds through the whole design: components sit closer together, transformers shrink, bulky heat-sinking disappears. That's how a 140W charger that once resembled a paperback now fits in a jacket pocket.
GaN vs silicon: the differences you'll feel
- Size & weight — a GaN charger powerful enough for a 16-inch laptop is smaller than the phone chargers of a decade ago.
- Heat — GaN runs cooler under load, which matters in a Gulf summer where a warm room already eats thermal headroom. Cooler electronics also age slower.
- Multi-device output — good GaN units split power intelligently across ports (say 90W laptop + 30W phone + earbuds) and renegotiate in real time as devices top up.
- Efficiency — more of what you pay DEWA for reaches the battery instead of warming the plug.
How many watts do you need?
Add up what your devices actually draw — laptop 60–100W, phone 20–30W, earbuds 5W — then buy about 20% above the total. A charger loafing at 70% load runs cooler and lasts longer than one working at its ceiling. For a full breakdown, read our charger wattage guide.
Spec-sheet checklist
Look for GaN III (current generation), USB-C Power Delivery 3.1 for laptop charging above 100W, a per-port wattage table (a "140W" charger may cap single ports lower), listed safety protections, and a warranty settled locally — a charger guards everything plugged into it.
Frequently asked questions
Is GaN charging safe for my phone and laptop?
Yes. GaN changes how the charger converts power, not how your device receives it. Charging speed and voltage are still negotiated by your device via USB Power Delivery — a certified GaN charger is at least as safe as silicon, and cooler operation reduces long-term stress.
Do GaN chargers charge faster than normal chargers?
Watt for watt, no — 65W is 65W. The practical speed gain is that GaN makes high wattages affordable and portable, so most people move from an underpowered 20W brick to a 65–140W charger and *that* is dramatically faster.
Are GaN chargers worth the extra cost?
The premium has nearly vanished — Gaatly's GaN range starts at AED 119. Given the size, heat and multi-port advantages, silicon has no remaining argument for new purchases.
Ready to shrink the brick?
GaN III chargers from 30W to 140W — free UAE delivery, 2-year warranty.