If you want to purchase a gaming TV, ensure it has important features as mentioned in this article.Three must-have features to ensure are 4k/120hz screen, plenty of HDMI 2.1 ports and OLED display.A nice-to-have features include VRR and good TV operating system.LG makes the best, easiest to use, and most reliable 4K televisions currently on the market.If you want a solid 4K and 120FPS gaming TV under $1,000, LG’s B4 48-inch OLED set is the best option.If you want a bigger, better TV to play games on and don't mind spending over $1,500, the LG C4 OLED set is recommended.Either way, the B4 or the C4 are great options and worth purchasing this holiday season.Other things to check before purchasing include TV's OS, which should be snappy, clean, and easy to use.Ensure the TV supports VRR tech via Gsync in case you care about smoothness of the image.If you want to future-proof your TV for upcoming 4K gaming, ensure it's at least 120HZ to play games smoothly.