Frequent Visitor
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9 Messages
XB7 slow compared to XB6
Update: After two days the XB7 is performing at about the same speed as the XB6 that it replaced. Netuptime Monitor showed that the internet had been continuously active so the modem was not reset nor power cycled. I have no idea why the performance improved.
Original Post: I just installed an XB7 to replace the XB6 that I had. The wifi is much slower than the XB6. Testing from the same locations, speedtest shows phone download speeds are about half as fast (130 Gbps with XB7 vs. 380 Gbps with XB6) and similarly about half as fast upload speeds (15 to 20 with XB7 vs. 41 with XB6). Download speeds using a laptop dropped from 240-300 to 130-150. Upload speeds on the laptop dropped from 41 to 15-25. All tests were using the 5 GHz wifi band. The ethernet connections have not suffered as much but vary more than when using the XB6. Download the XB7 varies from 900 to 940 when it used to be consistently 950 with the XB6. Upload with the XB7 is now 35 to 40 when it was always 41 with the XB6.
All of these speeds are after a Comcast representative provisioned the modem. I had to call Comcat since after it was first installed the upload speed for wired and wireless was a pitiful 6 Gbps.
Has anyone else experienced this? Should I just go back to the better performing XB6 or should I ask for another XB7?
shjin
Frequent Visitor
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5 Messages
5 years ago
Just installed XB7 today and yes, the performance is slower than XB6.
I have 1Gbps service plan.
With XB6, I usually got ~850Mbps download and ~40Mbps up.
With XB7, I now get ~600Mbps download and ~40 Mbps up.
I am using Bridge Mode. I saw somewhere that is recommending 'reset'. I plan to try that over the weekend to see if that fixes the issue.
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Visceral89
New Poster
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1 Message
5 years ago
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Jlavaseur
Problem Solver
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948 Messages
5 years ago
I just got the Xb7 and find it faster then the Xb6 on WiFi, my I have older iOS devices and get 600+ download speeds, also my Linux computers get a consistent 600+ also, my wired speeds are the same, I find it is better then the Xb6 except for the grayed out options in the admin panel, also I got a rock solid connection, no disconnects
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mjross2037
Regular Visitor
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7 Messages
4 years ago
I received the XB7 today in the mail. Before disconnecting my XB6, I ran some speed tests. The speeds were between 183mbps and 391mbps. I pay for Gigabit service, by the way, so I was hoping for an improvement.
I connected the XB7 and ran numerous speed tests. It never clocked faster than 110mpbs.
I reinstalled the XB6 and again achieved speeds of 177mbps to 384mbps.
Is there any reason I shouldn't just take the XB7 back to the Xfinity store?
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