Why is my actual speed so much lower than promised by ISP?

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bistwo

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Jul 27, 2011
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At work we have Comcast 25/5 Business Internet
At home I have Comcast 25/5 home internet

At work, when downloading a large .exe from Google Drive, download speed averages about 20MBPS, while at home, downloading the same file averages 3MBPS. The home computer is connected directly to the modem, while the work computer runs through a switch and a router. Both are modern computers with gigabit ethernet. Why is there such a big difference between promised speed and real-life speed at home, but not at work?

Home Speedtest results:
3519198138.png


Work Speedtest results:
3519206027.png
 
Solution
fudoka711


Actually, I think he said his work gets the faster speed on average.

As for not getting the promised speed - that's what Comcast and AT&T do. They are notorious for not delivering on advertised speeds. These speeds are not promised and are only "up to". I don't know this happens for business lines, but for homes, Comcast overbooks the number of subscriptions in many areas. Most users are just on facebook, browsing things like Yahoo, or looking at pictures and won't notice/care if they...
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Zooshooter

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Feb 8, 2013
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They never promise you that speed. They'll sell it to you as "up to" but they never promise a given speed because they know, as common sense dictates, that no system is perfect and there will be dips in service speed even if they could handle delivering the maximum speed.
 
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M

mweddy

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May 6, 2014
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At work ur internet is shared by other users also so u will always get less bandwidth as it is shared.

Try to run speed test when all pcs are off and less people are available in office, u will definitely see increase.
Please rate if I helped u.
 
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fudoka711

fudoka711

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Apr 2, 2012
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Actually, I think he said his work gets the faster speed on average.

As for not getting the promised speed - that's what Comcast and AT&T do. They are notorious for not delivering on advertised speeds. These speeds are not promised and are only "up to". I don't know this happens for business lines, but for homes, Comcast overbooks the number of subscriptions in many areas. Most users are just on facebook, browsing things like Yahoo, or looking at pictures and won't notice/care if they don't get their advertised speed. Comcast and other companies also take advantage of people who just don't know what speeds they should be getting for what they paid and these people just end up "upgrading".

I'm not really sure what to recommend to you other than to see if there's another internet service provider in your area.
 
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