tearing 240 hz 144 hz

I want to buy Zephyrus S GX531GW But he doesn’t have g sync, should I get tearing if I play in ultra effects and have like 80 frames? And there is 240 hz should it be better or worst? Thanks in advance 15.6 Inch FHD (1920 x 1080) IPS-level display with 144Hz refresh rate, 3ms, 100% sRGB...

Hello everyone. I have searched the forum for a similar solution but I can't find it. Basically I have tearing although the FPS are below 144hz and it is driving me crazy. -I have updated my Rx570 4GB graphics card to RTX 2060, I have a 1080p 144HZ MSI g27c2 (FreeSync) monitor. -Use the DDU...