DxO lab published the test report of Sony RX100 M2 compact camera, the newly announced camera features BSI CMOS sensor, so the low-light score of the RX100M2 is (483) better than Sony RX100 (390), rest of the score remains almost same.
Take a look at the competitors score below.
Also see Sony RX100M2 vs Sony RX100
Buy Sony RX100M2 from Amazon, B&H and Adorama
src – DxOMark Lab