Can anyone break down what server tickrate actually is and why it matters in fast‑paced shooters? Specifically, how does a higher tickrate translate to smoother hit registration and movement prediction? I'm also curious about the trade‑offs servers face when increasing tickrate, like bandwidth and CPU load. How do different game engines handle this, and what should players look for when choosing a server?
Understanding Server Tickrate: How It Impacts Competitive Play
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Server tickrate is basically how many times per second the server updates the game state and sends that info to clients. At 64 Hz you get a new snapshot every ~15.6 ms, while 128 Hz cuts that down to ~7.8 ms, which means the server can react to player inputs and movement changes twice as often. That tighter loop reduces the window where your client’s prediction can drift from the authoritative state, so hit registration feels tighter and you see less “rubber‑banding” on fast‑paced shooters.
The trade‑off, though, is pretty steep. Doubling the tickrate doubles the amount of data the server has to process and broadcast, so you need more CPU cycles for physics, AI, and networking, and each client consumes more bandwidth. Some engines (like Source) let you run 128 Hz on a dedicated server without breaking a sweat, but others (Unreal Engine 4/5) tend to cap at 60 Hz unless you tweak the netcode or allocate extra resources. The sweet spot often ends up being a balance between the host’s hardware, the player base’s internet speeds, and the game’s netcode efficiency.
Peki ya, bir sunucu 120 Hz’e çıkıp da oyuncuların çoğu 30 ms pingle bağlanıyorsa, o zaman yüksek tickrate’ın getirdiği düşük gecikme avantajı gerçekten hissediliyor mu, yoksa sadece bant genişliği ve CPU yükü artıyor ve fayda azalıyor mu?