1. Asus ROG Phone 9 – King of Active Cooling
Cooling Tech:
✔ AeroActive Cooler 9 (detachable fan + vapor chamber)
✔ 3D vapor chamber (30% larger than ROG 8)
✔ Cooling vents on sides
Performance:
- 8°C cooler than rivals in 1-hour Genshin Impact
- Zero throttling even at 45°C ambient temps
Best For: Esports pros who need max performance.
2. RedMagic 10 Pro – Built-in Turbofan Beast
Cooling Tech:
✔ 10,000 RPM turbofan (silent mode available)
✔ Liquid cooling + graphene layer
✔ Dual ICE 4.0 thermal system
Performance:
- 5°C cooler than Snapdragon 8 Gen 4 reference design
- RGB fan vents (because style matters)
Best For: Overclockers who push limits.
3. Lenovo Legion Phone 4 – Dual-Chamber Dominance
Cooling Tech:
✔ Twin vapor chambers (for CPU + GPU separately)
✔ Aerospace-grade cooling alloy
✔ Pop-up cooling vents (auto-deploys at 40°C)
Performance:
- 10% better sustained FPS than passive-cooled phones
- No external fan needed
Best For: Streamers who game for hours.
4. Xiaomi Black Shark 7 – Liquid Cooling 3.0
Cooling Tech:
✔ Liquid cooling pipes (40% wider than BS6)
✔ Phase-change material (absorbs heat spikes)
✔ Metal mid-frame (acts as heat sink)
Performance:
- 3°C cooler than RedMagic 9S
- 6,500mAh battery stays cool during charging
Best For: Marathon mobile gamers.
5. Nubia RedMagic 9S – Graphene Power
Cooling Tech:
✔ Graphene conduction layer (covers 90% of internals)
✔ Vapor chamber + heat pipes
✔ “Chill Mode” (caps FPS to reduce heat)
Performance:
- Best budget cooling (under $900)
- 500Hz touch sampling stays stable
Best For: FPS gamers on a budget.
Cooling Tech Compared
| Phone | Cooling System | Max Temp (Genshin 1hr) | Fan Noise |
|---|---|---|---|
| ROG Phone 9 | AeroActive Fan + Vapor Chamber | 38°C | 35dB |
| RedMagic 10 Pro | Turbofan + Liquid | 40°C | 42dB |
| Lenovo Legion 4 | Dual Vapor Chambers | 41°C | Silent |
| Black Shark 7 | Liquid Cooling 3.0 | 39°C | Silent |
| RedMagic 9S | Graphene + Vapor | 43°C | Silent |
Future Cooling Tech Coming
🔹 Peltier coolers (electric cooling – prototype stage)
🔹 Self-refilling liquid cooling (Xiaomi patent)
🔹 AI thermal management (predicts overheating)
Gaming Without Throttling – Pro Tips
- Use a cooling fan (even $10 clip-ons help)
- Lower brightness to 70%
- Disable 5G if not needed
- Play in AC rooms (ambient temp matters!)
FAQ
Q: Do cooling cases work?
A: Marginally (3-5°C drop) – Built-in fans are better.
Q: Which phone cools fastest?
A: ROG Phone 9 (detachable fan cools instantly).
Q: Can I replace thermal paste?
A: No (voids warranty) – Only on Fairphone 5.
Final Verdict
- 🏆 Best Overall Cooling: Asus ROG Phone 9
- 💨 Best Built-in Fan: RedMagic 10 Pro
- 💰 Best Budget Cooler: RedMagic 9S