Speedtest different results for international servers

  • Thread starter Thread starter thecooldean
  • Start date Start date
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100
Location
Bangalore
ISP
ACT
I’m having 250 Mbps plan from ACT and on my iPhone Speedtest app I’m getting high speeds to international servers whereas to the same servers on my PC, I’m getting a maximum of 10 - 12 Mbps, what could be the issue behind this?

I’ve attached a sample Speedtest from my iPhone where I get high speeds but to the same server on my PC I get ~8 Mbps.
 

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Issue has been fixed after 4 years of staying in the dark. It had to do with TCP window size.
 

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