For years, the Counter-Strike community treated 128-tick as the finish line — the number that would finally close the gap between CS:GO’s standard 64-tick matchmaking and the noticeably crisper feel of 128-tick servers used by third parties like FACEIT. When CS2 launched, Valve had every opportunity to simply raise the number. They didn’t. Every official and third-party CS2 server, including FACEIT, was locked to a hardcoded 64Hz — and Valve built something else instead.
The System Valve Built Instead of a Bigger Number
Rather than chasing a higher tick rate, Valve introduced subtick, a system that timestamps your inputs with precision rather than snapping them to the next server update. Every CS2 server updates the game world every 15.625 milliseconds — the fixed 64Hz interval — but subtick records the exact moment you clicked, moved, or threw a grenade within that window, instead of rounding it forward to whenever the next tick happens to land. It’s a genuinely different approach to the same underlying problem 128-tick was trying to solve.
Why Valve Chose This Over Simply Doubling the Rate
The reasoning Valve has given centers on accessibility — running every server at 128Hz would meaningfully raise the hardware and bandwidth cost of hosting CS2 at Counter-Strike’s massive scale, and Valve made the deliberate choice not to pass that cost forward, prioritizing broad accessibility including lower-end PCs over squeezing out the last increment of precision a higher tick rate would offer. Subtick was Valve’s answer to getting most of the benefit of higher precision without the accessibility cost of a genuinely higher tick rate.
Does It Actually Work as Well as Real 128-Tick?
For the overwhelming majority of players, subtick closes most of the practical gap that used to separate CS:GO’s 64-tick from its 128-tick alternative. Some professional players have reported it still feels subtly different from true 128-tick FACEIT servers in the fastest peeking exchanges, but the general consensus is that subtick brings 64-tick CS2 noticeably closer to the old 128-tick experience than 64-tick CS:GO ever managed. What subtick fundamentally cannot do is speed up the trip your input takes to actually reach the server — it removes server-side rounding imprecision, but the network latency between you and that server is a separate problem subtick was never designed to solve. A shot fired with perfect subtick accuracy at 80ms ping still arrives 80ms later than the same shot at 15ms.
Check your live ping to CS2’s regional servers with our CS2 ping test, since subtick makes your own connection quality matter just as much as it always did, not less.
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Frequently Asked Questions
Is CS2’s subtick system as good as real 128-tick servers?
For most players, yes — subtick’s precise input timestamping closes most of the gap that used to exist between 64-tick and 128-tick CS:GO. Some professionals report it still feels slightly different from true 128-tick in the fastest exchanges, but it’s widely considered a major improvement over standard 64-tick.
Why didn’t Valve just raise CS2’s tick rate to 128?
Valve has cited accessibility — running every server at 128Hz would meaningfully raise hosting costs and hardware requirements at Counter-Strike’s massive scale. Subtick was built as an alternative that captures most of the benefit without that cost.