When comparing the response times of the past iPhone 10 units it becomes like this
From the original iPhone released in 2007, until the iPhone 6 · iPhone 6 Plus released in 2014, a movie that compares the response times by arranging 10 successive iPhones side by side was released. You can check which models are the most responsive times, the results you care about from the following.
IPhone 6 Plus vs 6 vs 5 S vs 5 C vs 5 vs 4 S vs 4 vs 3 Gs vs 3 G vs 2 G Speed Comparison Test - YouTube
From left to right, the appearance of iPhone 6 Plus, iPhone 6, iPhone 5s, iPhone 5c, iPhone 5, iPhone 4s, iPhone 4, iPhone 3GS, iPhone 3G, and the first iPhone in order is a masterpiece.
The first test shut down. The hand reached all at once, sliding the iPhone from left to right and starting the test.
From iPhone 6 Plus to iPhone 4s, there is little difference in shutdown time, but iPhone 4 and below is slightly late.
The hand also stretched out again, this time the start test.
The iPhone 5s was the fastest to boot.
Then iPhone 6.
After that, iPhone 6 Plus and iPhone 5c follow almost at the same time.
The first iPhone started up at the same timing as iPhone 5 ......
IPhone 3G, iPhone 4 and so on.
Next, compare the processing speed of the benchmark test using the application. The iPhone 3G and the first iPhone said that the application you use is not compatible and is excluded from the test this time.
Starting all at once, the test was finished on the iPhone 6 Plus.
IPhone 6 continues almost without delay ... ...
I finished in the order of iPhone 4s, iPhone 4, iPhone 3GS, and it was the result that it became faster as it became the latest model.
Also, even with the points of the benchmark test, the latest model iPhone 6/6 Plus is the highest, iPhone 3GS is the lowest.
The last thing to do is a bulletin board at SafariRedditIt is a test to open.
It was iPhone 5s that the reading was instantaneous ... ...
From iPhone 6 Plus to iPhone 5, Reddit's page is displayed almost simultaneously.
After that, the iPhone 4s continued, after a while, iPhone 4 and iPhone 3GS. IPhone 3G was the last. In addition, the first iPhone did not connect to Wi-Fi and could not be tested.
Looking at the response comparisons of the past iPhones, you can see that the performance of the iPhone improves with every model change.