Alder Lake-HX: New notebook CPUs with 16 cores

Alder Lake-HX should enable even faster notebooks, but in return requires more power.

With Alder Lake-HX, Intel has now presented the improved 12th generation of its mobile processors. Like the desktop CPUs, these should have Golden Cove cores and Gracemont cores. This results in a hybrid design that offers more cores and higher clock speeds compared to the already available Alder Lake-H processors. While Alder Lake-H only has 14 cores and 20 threads, the HX versions can contain up to 16 cores and process 24 threads simultaneously.

Increased power consumption

However, this also increases the power consumption: While Alder Lake-H was reported with a maximum of 45 watts, Alder Lake-HX should be allowed to consume 10 watts more. In turbo mode, even 157 watts are possible, Alder Lake-H was limited to 115 watts here.

More cores, less clock

With Alder Lake-HX, Intel wants to arm itself against AMD’s Ryzen 6000 CPUs (Rembrandt). These processors have a maximum of eight Zen3+ cores. So on paper, Intel has an advantage here with up to eight additional cores. The flagship Core i9-12900HX is said to work with a 2.3 GHz base clock and 5 GHz turbo clock. Compared to the Core i9-12900H, the Core i9-12900HX has two additional cores. In return, the older Core i9-12900H offers a base clock that is 200 MHz higher. The increased power consumption could also have a negative impact on the runtime of notebooks. The situation is similar with the Core i7-12800HX, which offers two cores more than the Core i7-12800H, but also clocks lower. What is unusual, however, is the new Core i5-12600HX, which also has 12 cores and 16 threads compared to the Core i5 12600H, but works less in the base clock with 200 MHz, but can increase the boost clock by 100 MHz.

AMD Ryzen 7 5800X3D: Usually faster than Intel Core i9-12900K in games

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