Hello, I want to purchase a gaming laptop & monitor, but before I buy them, I need some help and guidance to get a better understanding with trying to connect the laptop to the monitor for display. Links below. Thanks it advance for your help 
Laptop: Link To Laptop (bestbuy)
Monitor: Link To Monitor (newegg)
Question 1)
I don't know how to connect the laptop to the monitor. The monitor only supports HDMI 2.0, whereas the laptop is HDMI 2.1; Thus, I won't be able to get the 240 hz display at 1440p using HDMI option.
That leaves me with displayport 1.4, but I don't think the laptop has displayport 1.4? I couldn't find info anywhere that the laptop has displayport 1.4.
The laptops specs show that it has thunderbolt 4 port, but I'm not familiar with thunderbolt nor how a thunderbolt port can be used to display a monitor from the laptop. I did read somewhere that a thunderbolt port can be used to connect to a displayport 1.4 using a cable or adapter of some sort? Again though, not savy enough to know.
Question 2)
The monitor is a 1440P monitor, but the laptop is a 2560 x 1600 resolution. Is this a compatibility issue? Will the monitor not be able to display in the correct resolution?
And of course, I wouldn't want to lose any features if I did connect the laptop to monitor somehow. I don't know if this is true or not, but I have been told that connecting a pc to a monitor through hdmi means that gsync feature wouldn't work or something like that... Hopefully, that wouldn't be the case with thunderbolt or displayport.
Please help and thank you again lovely community! =)

Laptop: Link To Laptop (bestbuy)
Monitor: Link To Monitor (newegg)
Question 1)
I don't know how to connect the laptop to the monitor. The monitor only supports HDMI 2.0, whereas the laptop is HDMI 2.1; Thus, I won't be able to get the 240 hz display at 1440p using HDMI option.
That leaves me with displayport 1.4, but I don't think the laptop has displayport 1.4? I couldn't find info anywhere that the laptop has displayport 1.4.
The laptops specs show that it has thunderbolt 4 port, but I'm not familiar with thunderbolt nor how a thunderbolt port can be used to display a monitor from the laptop. I did read somewhere that a thunderbolt port can be used to connect to a displayport 1.4 using a cable or adapter of some sort? Again though, not savy enough to know.
Question 2)
The monitor is a 1440P monitor, but the laptop is a 2560 x 1600 resolution. Is this a compatibility issue? Will the monitor not be able to display in the correct resolution?
And of course, I wouldn't want to lose any features if I did connect the laptop to monitor somehow. I don't know if this is true or not, but I have been told that connecting a pc to a monitor through hdmi means that gsync feature wouldn't work or something like that... Hopefully, that wouldn't be the case with thunderbolt or displayport.
Please help and thank you again lovely community! =)