Ryzen Mobileの方はCPU性能が高いのだよ

Cinebench R15 intel CPU
http://blog-imgs-93.fc2.com/i/n/t/intelmaclife/201609232039502f2.png

Cinebench R15 Raven Ridge
http://www.4gamer.net/games/300/G030061/20171025016/SS/006.jpg

i7 6700HQは45W
2700Uは15Wだけどね