I Tested Every CS2 Latency Setting (GSync, VSync, Reflex, LLM, Fullscreen optimisations, -noreflex)
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00:00 – Intro: Do latency settings really matter?
00:22 – My recommended settings & what we’ll test
00:40 – Why FPS affects input latency
01:00 – GPU-bound vs CPU-bound issues in CS2
01:50 – How I measured latency (Arduino + photodiode)
03:01 – Sponsor: EASEUS Voice Wave
⚙️ Testing Setup
03:33 – G-SYNC, V-SYNC & Low Latency Mode
04:05 – Low Latency Mode / Reflex ON vs OFF vs Boost
05:15 – Why Reflex usually wins
05:29 – What happens when FPS drops (64 / 110 tests)
06:25 – The worst combo: -noreflex + NVCP cap
07:31 – Valve-recommended & placebo settings
08:09 – Windows version & BIOS impact
📊 Results & Analysis
08:19 – Fullscreen Optimisations: On vs Off
08:40 – V-SYNC / G-SYNC / FreeSync tests
09:23 – Fullscreen vs Windowed vs Borderless
09:46 – DirectX 11 vs Vulkan
10:31 – Easiest fix for everyone (Reflex Enabled / Boost)
🔥 Final Advice
10:39 – What to use on laptops / thermal throttling
11:21 – V-SYNC best practices
11:38 – Reflex vs LLM Ultra (myth busted)
12:00 – AMD note + closing thoughts
12:26 – Outro & thank-you
Music Credits:
'Signal to Noise' by Scott Buckley - released under CC-BY 4.0. www.scottbuckley.com.au
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