待機電力もLenovoの11.6インチPCを見る限り悪くなさそう
PCトータルで28nmAPUでは平均4.7W、今回のAPUでは平均2.9Wに落ちてるように見える

Lenovo 100e Chromebook (2nd Gen) AST - 11.6"
AMD A4 9120C 1.6 GHz
BATTERY Capacity 47Wh
Run Time (Up To)10 hour(s)
https://www.cnet.com/products/lenovo-100e-chromebook-2nd-gen-ast-11-6-a4-9120c-4-gb-ram-32-gb-emmc-us-82cd0000us/

Lenovo 100e 2ND GEN (Windows 10)
AMD 3015e
BATTERY Up to 14.3 hrs,* 42WHr battery with Quick Charge
https://www.amd.com/en/system/files?file=documents/lenovo-100e-2nd-gen.pdf