The R9 380 is the R9 285 with a few minor upgrades, but performance-wise the R9 380 shouldn't be much faster than the 3.5 year old HD 7950 as they both have the same core configuration.
R9 380 The R9 285 ທີ່ມີການຍົກລະດັບຫນ້ອຍ, ແຕ່ວ່າໃນແງ່ຂອງການປະຕິບັດ, R9 380 ບໍ່ຄວນຈະໄວກວ່າ HD 7950 ທີ່ມີອາຍຸ 3.5 ປີເພາະວ່າທັງສອງມີການຕັ້ງຄ່າຫຼັກດຽວກັນ.