XB7 slow speeds. 1.3Gb to 1.5Gb to the modem but 950Mbps on the ethernet cable?

@EG​ Yes I'm using the red ethernet port. And guess what? We got the same exact speeds on all the ports of the XB7. The tech here tested them all. No difference. We also used my cat6 and his cat5 cable and all were the same speeds also. 
We didnt use a computer we used Comcast/Xfinity's speed test device that all the techs carry. We took the computers out of the equation. Engineering troubleshooting 101.  Thanks for the reply :)

Quite welcome ! Hmmm.... Sorry they didn't apply... Around 950 'ish is typically what you get from a 10/100/1000 (gigabit) capable port due to the ever-present ethernet overhead. That's why I mentioned those. I don't know what's going on then, sorry. Perhaps someone else will chime in here. Good luck with it !

@EG​ Thanks. Nobody at xfinity knows. They didnt even say "well thats the speed we give you even though you pay for 1.2 and thats what it can hit.."  And those are the speeds I'm getting. Xfinity runs the test from the call center showing 1.5Gbps to my modem which is amazing but why to they throttle it is my question. Seems like a setting somewhere in the system but yet some on here get 1.4Gbps. I know someone at corporate so I'm trying to get him to put me in contact with an engineer there. Thanks again :)

😊

So I talked to a friend who use to work in the industry. He had similar issues and just kept having truck roll out to his house until someone figure it out. They needed to RE-provision his modem as it was set to gigabit service and not the 1.2. I'm going to call and see if that will work. 

@jopsua​ Have you actually read this thread?

@confuzzeled​ Yes. The OP said the tech used a manual tester, taking the PC component out of it. OP has not said if they have >1Gb capable networking equipment. Wired or not, if your NICs are 1Gb, you're getting 1Gb speeds. It's entirely possible the tester the tech/contractor used only operates at 1Gb line speed. Did you read my reply?