Software Alternatives, Accelerators & Startups

OpenSpeedTest VS iperf

Compare OpenSpeedTest VS iperf and see what are their differences

OpenSpeedTest logo OpenSpeedTest

Broadband Internet Speed Test Unlocked!

iperf logo iperf

A TCP, UDP, and SCTP network bandwidth measurement tool
  • OpenSpeedTest Landing page
    Landing page //
    2023-01-11
  • iperf Landing page
    Landing page //
    2023-09-17

OpenSpeedTest videos

SPEED TEST ON ANY DEVICE // OpenSpeedTest Tutorial

More videos:

  • Review - Installing OpenSpeedTest LAN Speed Test on a Synology NAS
  • Review - Installing OpenSpeedTest LAN Speed Test on a Windows 10

iperf videos

Using Iperf to measure network speed / bandwidth

More videos:

  • Tutorial - How to use iperf to test local network LAN speed in Windows 10
  • Review - [HOWTO] Test My Network Speed?! [iPerf & JPerf]

Category Popularity

0-100% (relative to OpenSpeedTest and iperf)
Speed Test
100 100%
0% 0
Monitoring Tools
31 31%
69% 69
Developer Tools
100 100%
0% 0
Log Management
0 0%
100% 100

User comments

Share your experience with using OpenSpeedTest and iperf. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, OpenSpeedTest seems to be a lot more popular than iperf. While we know about 41 links to OpenSpeedTest, we've tracked only 4 mentions of iperf. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

OpenSpeedTest mentions (41)

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iperf mentions (4)

  • Microsoft: Don't Use Iperf3 on Windows
    Just some clarification: IPerf 2 is different from the iperf3 found at https://github.com/esnet/iperf. - Source: Hacker News / about 1 month ago
  • Yet Another Bench Script (YABS): evaluate Linux server performance with this simple Bash script and utility
    Network - network throughput (both incoming and outgoing) is tested using iperf3 on several geographically diverse public iperf servers. Source: over 1 year ago
  • Speed testing Visible with a modem
    File transfer using iperf3 over Tailscale. I noticed that the bandwidth to my home computer (on a 500/500 fiber connection) was higher than with speedtest.net. For the first few days I was getting downloads and uploads of 28Mbps (+/- std dev of 6Mbps) and 150ms latency (+/- 35ms). After somewhere around 100GB total transfer (maybe half of that over Tailscale), it is now downloading and uploading at 10Mbps (+/-... Source: about 2 years ago
  • FTP upload speed isn't great
    I can add to this. I have two mini self contained projects to create multiarch static bins of mtr and iperf3 for general usage. Source: almost 3 years ago

What are some alternatives?

When comparing OpenSpeedTest and iperf, you can also consider the following products

Speedtest.net - Test your Internet connection bandwidth to locations around the world with this interactive broadband speed test from Ookla

JPerf - This project gives a better UI and new functionalities to the initial JPerf 1.

Fast.com - Quickly test your internet speed with this fast-loading speed test powered by Netflix.

mtr - mtr combines the functionality of the 'traceroute' and 'ping' programs in a single...

SpeedOf.Me - SpeedOf.Me is an HTML5 Internet speed test. No Flash or Java needed!

Wireshark - Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.