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Comcast Cable -
Speed Tests Summary

How Do They Compare?

by Vaughn Aubuchon

How fast is Comcast cable? Here is a comparison of some popular "Cable Speed Tests" available online. See how your speed compares. These tests were performed on June 29, 2013.

Some services are junk. They simply don't work, or are half-baked. These are listed at the bottom.

100

140



Service

Ease of Use Rating
Server
Loca-
tion
Ping
Down-
load Speed
Upload Speed

City
ms
Mb/S
Mb/S

speedtest.
comcast.net
Comcast measuring Comcast? Of course, it is going to be inflated.

SJ
292
13.66
2.10

speakeasy.net

+++

SF
not
given
13.12
2.29

pcpitstop

++ (ookla)

LA
26
11.95
2.32

brighthouse

+++ (ookla)

Baker.
28
10.96
2.24

speedtestcentral

++

won't
say
not
given
8.24
2.16

.
THESE GIVE SLOW RESULTS

oz-speed-test

++

won't
say
not
given
5.82
0.727

testmyspeed.com

+++

SJ
292
5.81
0.893

speedtest.net

Slow - Loads ad

SJ
361 -
450
2.33 -
2.81
1.69 -
1.42

internetfrog

Slow

won't
say
not
given
1.85
0.41

bandwidthplace

Confusing,
Weird

SJ
not
given
1.28
2.26

america-speedtest

Lots of ads

won't
say
not
given
1
0.9

Notes:
It is interesting, that my closest physical server, San Jose, provides the WORST results (except for the questionable Comcast results).

So, what am I getting - 1, or 13.66? There is a tremendous amount of bullspit associated with Cable Speed Testing, to my eyes.

-

.
OTHERS That Perform Poorly

att speed test

Junk
"down for maintenance"
Seriously, do you know ANYTHING ATT that isn't screwed up?

cable-modem.net

Cr@p
No ping, no upload speed

cnet

Stinks
No ping, no upload speed

dsl.reports (Flash)

Worthless
Doesn't work

ehow

Skip this
Lots of bullspit, like all ehow pages.
They just want you to click on ads.

insight

Useless
Customers only - WORTHLESS!

testmy.net

True cr@p
Broken display
Breaks back button functionality - STAY AWAY!

time-warner

Useless
Customers only - WORTHLESS!

toast.net

Huh?
Too confusing

120 - 450

50

50

60

60

100


Disclaimer
This page consists of a compilation of my simple manual tests, commonly available on the Internet, at multiple sites.

Although the author makes every effort to verify the information on this page, no information on this page is guaranteed to be correct, and any data contained herein may be erroneous.

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This Vaughns Cable Speed Tests Summary
page was last updated on 2015-06-26.