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Intel Panther Lake Review - The Efficiency King That Can Game
Temperatures »Measured Temperatures and Clocks
The base clock for the P, E, and LP E-cores of the Core Ultra X9 388H is 2.1/1.6/1.6 GHz. The ASUS Zenbook DUO (UX8407) can sustain higher clocks even in Standard mode. If the Performance preset is applied, the clocks hit 3.05/2.42/2.38 GHz - sweet! This explains the pleasant snappiness in all kinds of loads. What's not so sweet is the high chip temperature that reaches 95°C in max stress scenarios.| CPU Load Test Intel Core Ultra X9 388H | |||||
|---|---|---|---|---|---|
| Laptop Model | P-Cores | E-Cores | LP E-Cores | CPU Power | CPU Temp. |
| ASUS Zenbook DUO (UX8407) - no keyboard | 3.05 GHz | 2.42 GHz | 2.38 GHz | 45 W | 95°C |
| Power Profiles & Fan Speeds ASUS Zenbook DUO (UX8407) | |||||
|---|---|---|---|---|---|
| Mode | P-Cores | E-Cores | LP E-Cores | CPU Power | CPU Temp. |
| Performance Mode + keyboard | 3.04 GHz | 2.46 GHz | 2.34 GHz | 44 W | 92°C |
| Standard Mode | 2.18 GHz | 2.30 GHz | 1.92 GHz | 30 W | 77°C |
| Whisper Mode | 1.62 GHz | 1.60 GHz | 1.43 GHz | 20 W | 67°C |
Nov 14th, 2026 13:12 CST
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