Why does the tick rate matter? This is important, because the server determines whether or not a shot hit a player, or if the bomb was planted early or late. Currently, Valves CSGO servers run at 64 tick, meaning that players recieve updates from those servers 64 times per second.

What does 128 tick mean?

Simply put, 128 tick servers offer double the processing time of 64 tick servers. A servers tick rate is measured in Hertz (Hz), however most mentions usually just use the number. This means that for each second, a server undergoes a certain amount of ticks.

Why does 64 tick feel so bad?

Currently, Valves CSGO servers run at 64 tick, meaning that players recieve updates from those servers 64 times per second. How smooth the game feels is dictated by how well and how fast the server sends information to the players. Without a strong server-side setup, some games never make it off the ground.