Thank you for reaching the Intel(R) Communities.
I understand you would like to check if the difference of temps between cores is ok. For sure this can be checked.
Regularly, the core# 1 will be hotter than the other cores, this is because some tasks or programs only use a single core and that task is regularly taken there (when the workload increases, the tasks are divided between the different cores).
The current temps are ok, and you should not worry about them, but if you would like to you can do the following:
Also, for further information, you can check this article: https://www.intel.com/content/www/us/en/support/processors/000005597.html Frequently Asked Questions About Temperature for Intel® Processors
If further questions are present, feel free to contact us back.