Short answer is YES for both DP and HDMI IP.
One thing to take note is you should also consider the video resolution besides just the refresh rate.
Both DP and HDMI wiki page table clearly stated the design requirement
For instance using 1080p @ 240hz as example.
- DP wiki page table mentioned it need HBR2. Our Intel DP IP does support HBR2, so no problem
- HDMI wiki page table mentioned it needs HDMI 2.0 spec . Our Intel HDMI IP does support HDMI 2.0 spec, so no problem
I hope I clear your doubt. Thanks.