QCA6174 Performance

Valo, Kalle kvalo at qca.qualcomm.com
Thu Sep 15 21:13:12 PDT 2016

Daniel Holz <daniel.holz91 at gmx.de> writes:

> the network performance of the Qualcom QCA6174 in my Lenovo Yoga 3 11
> is only around 7-8 Mbyte/s in tests with iperf when using a wireless
> ac connection. Disabling power management resulted in 10 MByte/s.
> Under the same conditions my Android phone achieved 384 MByte/s.
> Currently I'm using Ubuntu 16.04 on my Yoga 3 11 with the most recent
> hw2.1 firmware and kernel 4.4. I already tried kernel 4.8 which
> boosted the speed to 15 MByte/s, but this is still way too slow for
> such a connection.

Might be a problem with the board file, are you using the latest one?
dmesg and 'lspci -vnn' outputs help to analyse the issue more.

Kalle Valo

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