Testing and Performance of the Core Ultra 7 155H CPU
KitGuru recently reviewed an Asus Zenbook 14 OLED UX3405M (read it HERE) with the same Intel Core Ultra 7 155H CPU so that laptop has a fair amount in common with this HP Omen Transcend 14. The big difference is that the Asus is a thin and light model that uses integrated Intel graphics while this HP Omen has add-in Nvidia GeForce RTX 4060 Laptop graphics and a more substantial Omen Tempest Cooling GO to keep the CPU and GPU under control. This have an obvious impact on the graphics performance but also means that HP Omen is able to feed the CPU with 45W of power where Asus was limited to 30W.
Cinebench R23 Multi Core
The HP Omen is off to a good start in Cinebench R23 Multi Core where we see the extra power allows the Intel CPU to deliver decent levels of performance.
Cinebench R23 Single Core
In Cinebench R23 Single Core we see performance that is identical to the Asus Zenbook 14 OLED as the power draw is so low that the improved cooling system delivers no benefits.
Clock Speed and Power
Our chart of Clock Speed and Power shows a couple of points. The first is that we have a low power CPU that is being fed medium levels of power and while we prefer to see a CPU running on 45W, rather than 65W or 100W+ it demonstrates that HP Omen is keen to extract the maximum performance from Intel's silicon. The second point is that the clock speeds of the various P-cores covers a wide range at any given time and we observed 2.7GHz-3.1GHz when the laptop was working hard.
7-Zip v22
In the 7-Zip v22 benchmark test we see the HP Omen performs well and the Core Ultra 7 is more akin to a Core i9 than a Core i7.