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Hardware Forum / Networking / Modems (Cable) / January 2009

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Comcast Speed Tests

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riggor9999 - 19 Nov 2008 11:38 GMT
Someone posted this a while ago ...

http://speedtest.comcast.net/

I don't think it's any better, or more, or less accurate than ...

http://www.speedtest.net/index.php

http://speedtest.chartermi.net/

http://www.speakeasy.net/speedtest/

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R. Lynn Rardin - 19 Nov 2008 12:23 GMT
> Someone posted this a while ago ...
>
[quoted text clipped - 8 lines]
>
> http://www.speakeasy.net/speedtest/

speedtest.comcast.net does have the advantage of sitting inside
the Comcast network, however, removing some variables from the
test.  That can be very useful when you're trying to isolate the
source of a problem.  The external tests may be a better gauge
of the real user experience, though.

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R. Lynn Rardin

NC - 21 Nov 2008 15:47 GMT
>> Someone posted this a while ago ...
>>
[quoted text clipped - 14 lines]
> source of a problem.  The external tests may be a better gauge
> of the real user experience, though.

ATT Uverse is making a big push in my area. I wasn't too impressed at their
prices for internet so I thought I would test my speeds on Comcast. Here are
the results..........

http://atlanta.speedtest.comcast.net/speedtest/index.html
3.86 Down, 2.34 Up
http://www.speedtest.net/index.php
3.15 Down, 1.37 Up
http://spt01sghlga.bufr.ga.charter.com/
3.6 Down, 2.3 Up
http://www.speakeasy.net/speedtest/
5.11 Down, 2.38 Up
$Bill - 21 Nov 2008 17:20 GMT
> ATT Uverse is making a big push in my area. I wasn't too impressed at
> their prices for internet so I thought I would test my speeds on
[quoted text clipped - 6 lines]
> http://spt01sghlga.bufr.ga.charter.com/
> 3.6 Down, 2.3 Up

> http://www.speakeasy.net/speedtest/
> 5.11 Down, 2.38 Up

I'd be happy if I had that kind of up speed (I have roadrunner
standard service):

    5806 Kbps down, 478 Kbps up.

Modem is clocked at 6144 Kbps down, 512 Kbps up.  Makes it hard
to share files with this low an up speed.
Thad Floryan - 22 Nov 2008 04:07 GMT
> [...]
> ATT Uverse is making a big push in my area. I wasn't too impressed at their
[quoted text clipped - 4 lines]
> 3.86 Down, 2.34 Up
> [...]

Here (Silicon Valley) at 7:45pm Friday night:

<http://sanjose.speedtest.comcast.net/speedtest/index.html>

19.247 Mbps down, 3.132 Mbps up

I "lost" my Sprint Broadband service on July 31, 2008, due to
FCC reallocation of the frequencies, so sought any replacement
other than DSL. I found this: <http://comcastoffers.com/> with
a Google search; $19.95/month, free Motorola SB5101 DOCSYS 2.0
modem, and over $200 in rebates. The $19.95/month is for the
first 6 months. The rebates were paid very quickly.

Checking <http://comcastoffers.com/> just now, the offer is
again repeated at $19.99/month, offer expires November 30, 2008.
sqbx@msn.com - 20 Nov 2008 19:22 GMT
>Someone posted this a while ago ...
>
[quoted text clipped - 7 lines]
>
>http://www.speakeasy.net/speedtest/

I don't put much stock in those speed test sites.
They generally give "OK" results, but just try and download something.
That's how you can really tell, and that's when Comcast's "throttles"
kick in.
I'm supposed to be getting 4Mb/sec speeds, but lately, downloading
ANYthing feels like I'm back on dial-up.
Pegleg - 20 Nov 2008 19:46 GMT
> I don't put much stock in those speed test sites.
> They generally give "OK" results, but just try and download something.
> That's how you can really tell, and that's when Comcast's "throttles"
> kick in.
> I'm supposed to be getting 4Mb/sec speeds, but lately, downloading
> ANYthing feels like I'm back on dial-up.

I might be wrong but I believe you should at least be getting 6Mb d/l
unless it hasn't happened in your area for some reason...where are you
located?

What are you seeing with the speed tests?
Betts - 20 Nov 2008 20:19 GMT
>> I don't put much stock in those speed test sites.
>> They generally give "OK" results, but just try and download
[quoted text clipped - 8 lines]
>
> What are you seeing with the speed tests?

On the Comcast site I see 20 down and 9 up.

Everywhere else I see about 12 down and 6 up.
just me - 20 Nov 2008 20:47 GMT
>>> I don't put much stock in those speed test sites.
>>> They generally give "OK" results, but just try and download
[quoted text clipped - 12 lines]
>
> Everywhere else I see about 12 down and 6 up.

And the up & down is still determined by the "server".  Doesn't matter
if Comcast allows 50 mpbs & the server providing the download is only
allowing 256 kbps or so.  Some files I get 750+ KBps & some others,
only 100 KBps depending where & what time of day & how many people is
trying to get something from the same place even if I only have
a 6 mbps setup.
just me - 21 Nov 2008 04:21 GMT
["Followup-To:" header set to comp.dcom.modems.cable.]

.........lots skipped..........

>> On the Comcast site I see 20 down and 9 up.
>>
[quoted text clipped - 6 lines]
> trying to get something from the same place even if I only have
> a 6 mbps setup.

My own followup but decided to check the speed for file xfer.

Recalled G. Lucas had a ftp site with a few files for download; just
got a 10.3 meg file; ncftp says 9.9 MB @ 1.96 MB/s...

Looks like lucasarts still has high connects to the internet since
the 1.96 MB/s xlates to about 15+ Mbps (1.96 x 8); will need to check
again as either I'm getting the new upgraded 12 mbps plus booster or
booster works for a 10 meg file; could be the time of day as well, but
I'm a happy camper since the capability is there if the remote server
allows it.
Fosco_Bleecker-Baggins@shire.com - 04 Jan 2009 02:31 GMT
>>Someone posted this a while ago ...
>>
[quoted text clipped - 14 lines]
>I'm supposed to be getting 4Mb/sec speeds, but lately, downloading
>ANYthing feels like I'm back on dial-up.
that's no lie. i had blast 16 megabits down, until i used it with
giganews for about a month. those gems at comcast are throttling my
speeds to about 1/4 of what they were at giganews.
how can one monolithic company suck so much? with the money they are
pulling in, why are they so freaking stingy with bandwidth.
 
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