There is only temp for the CPU, one temp for both cores.
Actually 4.32 does report both cores.
To the OP:
-under the temperature tab click on the temperature you want,(core0 or core1).
-Near the bottom right corner check the box "Show in tray".
Off topic but on a G15 keyboard you can have this displayed on your LCD and be able to see all the Speed Fan readings in a game.