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When I test for the speed of my TalkTalk Fibre optic connection using Speedchecker.co.uk (and others) I get a download speed of around 26Mb/s - no real complaint there. BUT when I use speedtest.net the figure is around 47Mb/s. Can anyone explain the difference? Afaik the units used are the same.
Cheers
MerC
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What does http://www.thinkbroadband.com/speedtest.html show? In particular when its finished there will be a link you can share on the web page.
Post that and we can see the shape of the graphs which might help answer the question.
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The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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That seem to have sorted something out in that it gives me TWO download results :
Avg TBB = 21.4
Avg HTTP = 46.1
(these results are compatible with my previous figures)
I'm assuming this means the speedtesters I have been using actually measure different things. I should like to know what the difference is though.
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On that, what was the burst speed against the 21.4Mbps one?
Ideally Andrew/we need the link to the graph button, so we can see what shape it is  .
Edit - Like this.
My broadband basic info/help site - www.robertos.me.uk | Domains,website and mail hosting - Tsohost.
Connection - Plusnet UnLim Fibre (FTTC). Sync ~ 54.2/15.2Mbps @ 600m. - BQM
"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
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Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.
Edited by RobertoS (Thu 21-Mar-13 20:37:32)
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It may be that your connection is busy doing something else and the HTTPx6 with six threads will tend to overwhelm the other activity, or the ISP has congestion.
Or it may be you have an RWIN limiting your speeds for each individual thread
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The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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That's not the "Direct graph" button. You want the first link below the result. But taht does seem to agree with Andrew's suggestion it might be the RWIN setting.
Assuming you are using Windows, which version of it please?
My broadband basic info/help site - www.robertos.me.uk | Domains,website and mail hosting - Tsohost.
Connection - Plusnet UnLim Fibre (FTTC). Sync ~ 54.2/15.2Mbps @ 600m. - BQM
"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.
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http://www.thinkbroadband.com/speedtest/results.html...
is the link directly below the result display.
I'm using Windows 7 Home Premium 64bit SP1 build 7091 with IE 9 32 bit
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Lines are too flat too be a busy line or ISP congestion
Latency is OK too and OS is not XP so RWIN should be automatic.
So in short don't know why single thread is slow on that PC
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The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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Brilliant. (I got it wrong! I didn't meant that one, I meant the one labelled "Direct Graph Button", but it's included in the one you just gave ).
That's really wierd, as Andrew says. Are you testing wired or wireless to the router, but that shouldn't affect it either.
My broadband basic info/help site - www.robertos.me.uk | Domains,website and mail hosting - Tsohost.
Connection - Plusnet UnLim Fibre (FTTC). Sync ~ 54.2/15.2Mbps @ 600m. - BQM
"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.
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