HP i7-1250U clocked at 1.70 ghz... help!

[Quickstrike]

Hi,
I automated some task for a coworker but it runs extremely slow on her work laptop. It's a HP i7-1250U. The internal clock says it's clocked at 1.70 GHz.
The laptop is plugged in and set at high performance in energy settings.
Anyone know what the hell is happening.  This CPU is supposed to clock at 3.5 and boost at 4.3. 

[da na]

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[flibberdipper]

Depending how her particular laptop's vendor decided to configure the TDP limit, it's very likely hitting that. My laptop with a 1315U was limited to 15 watts and would only go about that far on the performance cores and would stick to a measly 900MHz on the efficiency cores. I ended up getting ThrottleStop and now it'll suck down 30-35w under sustained loads and typically stays around 3.4-3.9GHz on the PC and 2.5-3.1GHz on the EC.

[Quickstrike]

Both of you thank you! 

[da na]

17 minutes ago, flibberdipper said:

Depending how her particular laptop's vendor decided to configure the TDP limit, it's very likely hitting that. My laptop with a 1315U was limited to 15 watts and would only go about that far on the performance cores and would stick to a measly 900MHz on the efficiency cores. I ended up getting ThrottleStop and now it'll suck down 30-35w under sustained loads and typically stays around 3.4-3.9GHz on the PC and 2.5-3.1GHz on the EC.

it's pretty criminal, the Microsoft Surface laptops with 11th-gen i5 chips perform like a midrange Core 2 Quad due to the TDP limit.