Steam Link

Steam Link

Faster over 5G than wired
After some experimenting I've notieced I get much quicker network time over 5g than over wired. I get about 2.5+ ms in network time and .5 to 1.5 ms in variance. On 5g I get <1.5 ms in network time similar variance (on average slightly more variance). My display latency is on average about 1.5 ms quicker on 5g than wired. So what gives? I have a router that supports gigabit speeds over ethernet (netgear r6400). My desktop is connected to the router via a 50 ft cat 6 (500mhz) to a router in the same room as the link (the router is about 6 feet away). I use another 20 ft cat 6 cable to connect to the link for a wired connection. The PC is always using a wired connection so is it possible that I'm getting cross talk over the shorter cable? You would think that the 50 ft cable would be causing problems, but the host pc is using an ethernet connection when connecting to the link over wifi anyway (so half wired setup). I guess the rubber shielding on the short cat 6 doesn't look too thick. Is it worth a try getting a cat 7 or 6a cable?
Last edited by sirjamestheiii; Aug 10, 2018 @ 1:35pm
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Showing 1-6 of 6 comments
Xjph Aug 10, 2018 @ 4:36pm 
The Link doesn't have a gigabit ethernet port. A sufficiently strong 802.11ac connection can be reasonably expected to perform better than 100Base-TX.
sirjamestheiii Aug 10, 2018 @ 6:51pm 
So on the link it gets 100mbps over ethernet but more over 802.11ac? Would in home streaming to a pc with a gigabit connection be faster than the link over wi fi or does it not impact things much latency wise?
Xjph Aug 10, 2018 @ 7:22pm 
In-home streaming to a PC with wired gigabit will likely match the network performance of a "perfect" 802.11ac connection to the Link, however a modern PC is likely to have a faster h264 decoder, so you'd still come out slightly ahead.
sirjamestheiii Aug 10, 2018 @ 8:48pm 
makes sense. 802.11ac is capable of around gigabit speeds so they should be close. It makes me confused about the marketing of the product, but I guess it is atypical to have your router so close to the client as opposed to the host pc. So then I guess the ideal setup with the link is wiring the host to a router close to the link?

While I guess there still is more latency with 100mbps Ethernet, the wifi still is more likely to jump up and down in lag time. Perhaps with gigabit Ethernet you'll get similar delay to wifi but with less variance.

I'll give it a try streaming to my laptop, but I'm glad to know that nothing is broken. I guess I'm just dumb for not knowing the link doesn't have a gigabit connection.
check wires, something is seriously wrong when you have higher latency when wired than over wifi, i am using 6ft(cat 5e) from link to router 1, 30ft (cat7) from router 1 to router 2 and another 6ft (that link comes with) to host pc, latency when wired always under 1ms, hard wired should be alwys like that, only long distances (mile and more, can cause latency increse), over wifi 5G(asus rtac68u) about 3ms (from 2 to 5), if you can, do a test, take router and link to host pc location, connect all togheter, wired, test latency (use one wire provided with link and second provided with router)
sirjamestheiii Aug 12, 2018 @ 11:36am 
As I mentioned, the host pc is not connected over wifi, so this suggests that the bad wire is the shorter one connecting the link over the router. I'll test with a laptop closer to the router.
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Showing 1-6 of 6 comments
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Date Posted: Aug 10, 2018 @ 1:29pm
Posts: 6