Those are probably using a smartphone processors, the die-size alone of Graviton2 makes it desktop/server class.

The Neoverse N1 cores used in the Gravitron2 are very close architecturally to the Kryo 495 Gold cores in the 8cx. Of course, the 8cx only has 4 of them, while this has 64.

Qualcomm 8cx cpu is based on smartphone one but optimized for laptop use.