XR1000 QOS for gigabit

FYI, if you have 1.2Gb download ISP support, the XR1000 is not capable of using those speeds since both WAN and LAN ports are rated at 1000Mpbs only. The max speed you'll ever see thru these ports is in the 900Mpbs range. Event with QoS enabled or disabled. 

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Rome916 wrote:
So I have Xfinity internet with 1200 download and about 40-43 upload. I live in a smart home so I usually have 25 plus devices connected to the internet with only 4-5 of them being inactive on the network but still connected. I am a pretty competitive fps gamer on a pc wired to the internet. My question is even if I have gigabit internet, do I need QOS?
I use waveform for jitter tests and I get high jitter but when I use google speed tests it shows I have low jitter. I’m just trying to find optimal settings for QOS to have no lag/jitter experience. I do understand jitter affects gaming such as hit registration and dying behind corners or walls. Another question what speeds should I input for QOS? When I have QOS disabled I get speeds up to 900-947 and 41 upload. With QOS set to never the download speeds are usually lower. Speeds fluctuate a lot so I don’t know what to set it as. Just need help with this as I want to enjoy my online gaming experience on fps titles such as warzone and call of duty. Some help would be greatly appreciated as I do enjoy this xr1000 router

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