[Q] Android is slow to respond to the ping. Poor network operates. How to fix? topic

Actually the whole essence of the problem is clearly visible in the picture, unlike the desktop OS,
Android is much worse than working with the network and the response time of the device strongly floats:

speedtest.net also confirms the problem is, there is much lower speed and ping above and parameters during the test swim.
machine on which to run the tests, the AP is connected to the cable, all other devices connected to the screenshot Wi-FI.