Yes, this post explains it very clearly.
Intel j4125 only support HBR2( Max Resolution (DP)‡
4096x2160@60Hz), check here.
https://www.intel.com/content/www/us/en/products/sku/197305/intel-celeron-processor-j4125-4m-cache-up-to-2-70-ghz/specifications.html?wapkw=j4125