> Response time 35.5 ms
So at 60 fps, that's 2 frames delay + some. (and this is just display response time and doesn't include the content rendering, double buffering, and the input lag)
Here's the input lag for phones from similar era as the SE 1st gen: https://blog.gamebench.net/touch-latency-benchmarks-iphone-x... (88ms)
Another set of numbers: https://danluu.com/input-lag/
You can move your finger quite far in 80ms.