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Slow upload speedtest with GT-AXE16000 and Win 11

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matthew_eli

Senior Member
Hi,

recently I've upgraded my main router from GT-AX6000 to GT-AXE16000, both with 388.7 Merlin FW on them.

Everything seems fine, excepting the full upload speed with my PC, equipped with Intel I225-V NIC (3rd revision). I'm in Italy and I have a 2,5Gb/s-500Mit/s Down/Up PPPoE fiber connection and I was able to fill up both Down and Up with GT-AX6000, but when I try the same servers with the new GT-AXE16000, I wasn't able to upload at full speed; here are some tests:

https://www.speedtest.net/result/c/5ba29ba7-51fd-494e-ba19-b49fc6d60578

https://www.speedtest.net/result/c/25c55f54-aed5-474b-80f1-f9a590fa9435

In one case the test aborted with very high latency:

Code:
Server: Frontier - Chicago, IL (id: 14228)
ISP: Dimensione
Idle Latency: 130.38 ms (jitter: 0.42ms, low: 130.29ms, high: 131.16ms)
Download: 1634.36 Mbps (data used: 2.5 GB)
187.27 ms (jitter: 60.96ms, low: 127.24ms, high: 721.72ms)
Upload: FAILED cy: 185.41 ms
[error] Cannot read:

I tried with Ubuntu 24.04 (dual boot) on the same PC (ASUS B550-Wifi MB, 64Gb RAM, Ryzen R9-5900X) and here are the same tests:

https://www.speedtest.net/result/c/a0922365-cc48-48b6-9913-ba2a8aa049c9

https://www.speedtest.net/result/c/2e661774-0fbd-45c6-a7b2-99db9062e7e8

https://www.speedtest.net/result/c/d3cdc866-2b03-4625-bd3a-e2eec9f2317d

As you may see, the situation for uploads are completely different.

What can be the main reason behind that? Is that possible to apply any workaround on Win 11 to have the same performance of Ubuntu? Why GT-AX6000 seems to not be affected by this issue?
 

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