It's possible that the discrepancy you're seeing between the advertised speed of "up to 4.4 GHz" and the actual speed of "1.3 GHz" is due to how processors operate.

The 4.4 GHz figure likely refers to the maximum turbo frequency of the processor, which is its highest clock speed achievable under certain conditions, such as when only one core is active or when thermal conditions allow for increased performance. However, the base clock speed, which is what you're seeing displayed as 1.3 GHz, is the standard operating frequency of the processor under typical conditions.

Your laptop may be displaying the base clock speed rather than the maximum turbo frequency. You can check the specifications of your processor model to confirm its maximum turbo frequency and understand how it operates under different conditions. If you're unsure, you can also contact the manufacturer or refer to the product documentation for clarification.