Why does the latency vary significantly across various platforms despite having the same FPS?

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The latency may vary across various platforms despite having the same FPS due to several reasons:

1. Rendering time: The time taken to render frames varies across platforms due to differences in hardware performance, system resources, and optimization of rendering pipelines.

2. Input processing time: The time taken to process input such as mouse clicks, keystrokes, and controller inputs differs across platforms due to differences in drivers and software.

3. Network latency: In multiplayer games, latency is affected by the network connection and distance between players. Even if the FPS is the same, the latency may vary due to differences in network conditions.

4. Display response time: The time taken by the display to respond to change in pixels varies across different monitors, leading to different latency.

5. V-Sync and buffering: The use of V-Sync and buffering techniques can affect the latency, as they may introduce delays in displaying frames.

Overall, the latency may vary across different platforms despite having the same FPS due to various factors related to hardware, software, and network conditions.