FPS Checker Blog
Guides, tips, and insights on frame rate, FPS testing, and display performance.
Understanding V-Sync: When to Use It and When to Avoid It
Learn what vertical synchronization does, when V-Sync helps and when it hurts, and how it compares to adaptive sync technologies like G-Sync and FreeSync.
Mobile Gaming FPS: Why Your Phone Drops Frames and How to Fix It
Discover why smartphones drop frames during gaming, how thermal throttling and background apps affect mobile FPS, and practical ways to maintain smooth performance.
Cloud Gaming and FPS: What Frame Rate Can You Expect?
Learn how cloud gaming services deliver frame rate, what limits streaming performance, and how to test whether your connection supports high FPS cloud play.
DLSS vs FSR vs XeSS: Upscaling Technologies Explained
Compare NVIDIA DLSS, AMD FSR, and Intel XeSS upscaling technologies, how they work, their quality differences, and how they affect FPS.
Ray Tracing and FPS: The Performance Cost of Realistic Lighting
Understand how ray tracing affects frame rate, why it is so demanding, and how upscaling technologies like DLSS and FSR help recover performance.
GPU vs CPU: Which Bottleneck Is Killing Your FPS?
Learn how to tell whether your GPU or CPU is limiting your frame rate, what a bottleneck actually means, and how to fix the most common performance limiters.