Windows 10: wifi on my pc is 86 times slower than my phone

I've recenty changed my router to accomodate higher speeds but for some reason my pc is slower than my phone in terms of wifi.. specifically about 86 times slower...does anyone know what is causing this? both screenshots are from the same time and wifi. Above is my pc wifi speed while below is my phone wifi speed. Both of them are on the same wifi connection

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wifi on my pc is 86 times slower than my phone

I've recenty changed my router to accomodate higher speeds but for some reason my pc is slower than my phone in terms of wifi.. specifically about 86 times slower...does anyone know what is causing this? both screenshots are from the same time and wifi.





Above is my pc wifi speed while below is my phone wifi speed. Both of them are on the same wifi connection

 

windows pc wifi speed is significanly slower than mobile

I've recently had changed my router to accomodate higher speeds but for some reason my pc is slower than my phone in terms of wifi.. specifically about 86 times slower...does anyone know what is causing this? both screenshots are from the same time and wifi







left is my pc and the right is my mobile phone, they are both on the same network

 

One device much slower than others on home wifi - why?

I spoke with the shop once I could be in front of the computer. Yes. They too were puzzled.

What they think is that:

1. They must have goofed up the parts list for it
2. So the Dell 1397 is the adapter I have
3. And the "radio" must be getting weak or intermittent

Even though I have no Intel 7260 showing in Device Manager:





I went to the Intel site and downloaded the drivers for the 7260. Ran the exe, it ran fine, no errors, told me to restart so changes would take hold - but when I got back, there still wasn't a 7260 listed.

At that point I called the shop again and they said that it's "not uncommon" for an Intel driver install exe to just run, even if its target hardware isn't present. Sounds goofy to me, but okay.

I don't know how useful this is, but here's the ipconfig /all listing, for the wireless on my computer:





I read the guy at the shop the list of network adapters in device manager, and he agreed that none other than the 1397 were wireless adapters.

So - unless a miracle can happen and someone can show me where this alleged 7260 is - I'm going to wait for the shop to help me, or, maybe, if it's not too hard - this is an all-in-one PC and opening up even a big box scares me - put a new card in myself.