Wrong Temps of SYS on random syno....

[StatCombo]

Hello dear, why the system temp on my 918 shows 25C+ - degrees higher than the real. May be can add CPU Temp separeted?
Example:
echo "Case Temp";cat /sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_input
or multicore temps Examle:
echo "Core 1 Temp";cat /sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_input
echo "Core 2 Temp";cat /sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_input
echo "Core 3 Temp";cat /sys/devices/platform/coretemp.0/hwmon/hwmon0/temp4_input
echo "Core 4 Temp";cat /sys/devices/platform/coretemp.0/hwmon/hwmon0/temp5_input
best regards!