1. What is FPS in Phone Screens?

FPS (Frames Per Second) measures how many individual images a phone screen can display each second. Higher FPS results in smoother animations and better responsiveness.

2. How Does the Calculator Work?

The calculator uses the FPS formula:

Where:

• \( Refresh\ Rate \) — Screen refresh frequency in Hertz (Hz)
• \( Screen\ Latency \) — Time for a pixel to change color in milliseconds (ms)

Explanation: The formula converts the screen's refresh rate and latency into actual frames displayed per second.

3. Importance of FPS Calculation

Details: Understanding actual FPS helps evaluate screen performance beyond just refresh rate, as latency significantly impacts perceived smoothness.

4. Using the Calculator

Tips: Enter refresh rate in Hz (common values: 60, 90, 120, 144) and screen latency in ms (typical range: 1-10ms). Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Why is FPS different from refresh rate?
A: Refresh rate is the maximum potential, while actual FPS depends on both refresh rate and screen latency.

Q2: What's a good FPS for smartphones?
A: 60 FPS is standard, 90+ FPS is considered smooth, and 120+ FPS is premium.

Q3: How does screen latency affect FPS?
A: Higher latency reduces effective FPS even with high refresh rates.

Q4: Can FPS exceed refresh rate?
A: No, the refresh rate sets the upper limit for FPS.

Q5: Why multiply by 1000 in the formula?
A: To convert milliseconds to seconds (1 second = 1000ms) for proper units.