The Radeon R9 280X wasn't the most power-efficient GPU released in late 2013 and remember it was based on year and a half old tech at the time.
Radeon R9 280X ບໍ່ແມ່ນ GPU ທີ່ມີປະສິດຕິພາບສູງສຸດທີ່ປ່ອຍອອກມາໃນທ້າຍປີ 2013, ແລະລາວຈື່ມັນໄດ້ໂດຍອີງໃສ່ເຕັກໂນໂລຢີທີ່ມີອາຍຸເຄິ່ງປີໃນເວລານັ້ນ.