WiFI Internet speeds throttled?
I'm trying to solve an issue that has me puzzled. My WiFi internet speeds seem to be throttled by the router and I can't seem to understand why. We have 600/600 Fiberoptic internet. My desktop, when connected to my Deco XE75 primary router via gigabit ethernet will get about 650/650 on Speedtest. The same desktop, 3 feet from my router, connected via WiFi 6 with a reported link rate of 1200/1200 will only get about 300/300 on SpeedTest. My Pixel 7 on WiFi 6E 3 feet from the router with a reported link of about 2000/2000 will also only get around 300/300 on SpeedTest. My Xbox Series X, which is connected to my second XE75 via ethernet that uses a MoCA 2.5Gbps backhaul to the primary router, also pulls 650 down. I had similar WiFi performance penalty with my old Asus RT-AC86U router. So my question is why are my wired devices pulling at or above my rated internet speed while my WiFi devices, regardless of WiFi generation and connection speed, are only downloading at 15-25% of the reported WiFi link speed?
Yes, I have reset the router. Yes, I have reset my fiber ONT. Yes, I have the latest firmware for my router. Yes, I have the latest drivers/software for my devices.
Any help would be appreciated!