Like many ARM CPUs, the one in the Pinebook Pro has a “big.LITTLE” architecture, where some cores are more powerful than others: [ 1.000000] cpu0 at cpus0: Arm Cortex-A53 r0p4 (v8-A), id 0x0 [ 1.000000] cpu1 at cpus0: Arm Cortex-A53 r0p4 (v8-A), id 0x1 [ 1.000000] cpu2 at cpus0: Arm Cortex-A53 r0p4 (v8-A), id 0x2 [ 1.000000] cpu3 at cpus0: Arm Cortex-A53 r0p4 (v8-A), id 0x3 [ 1.000000] cpu4 at cpus0: Arm Cortex-A72 r0p2 (v8-A), id 0x100 [ 1.