Speed will also depend on channel width, which can be 20 Mhz, 40 Mhz or 80 Mhz. The 802.11a and 802.11n (Wifi 4) standards have lower speeds at 5 Ghz. The real data transfer rate of 5 GHz (802.11ac / Wifi 5) is around 1.7 Gb/s, but actual transfer speed would be much lesser around 100 Mb/s. The maximum theoretical speed at 2.4 GHz(802.11n / Wifi 4) is 300Mbps, though real world speeds would be lower around 150 Mb/s. Each generation is better than the previous one. The following are the wifi standards as they evolved over time. Wi-Fi Standards and Featuresįirst lets take a look at what the standards and specifications of wifi technology and what are its capabilities compared to ethernet. Ethernet boils down to the actual specifications of a particular network, including all its crucial building components. However gaming requires a much faster network interface than what current and older generation wifi devices can provide. So ethernet is still much faster in terms of file transfer speed and many other applications as well.įor office use wifi is the best option since it provides a wireless interface setup and run the network and provides sufficient speed for office requirements like file transfer and download. On the other hand transfer speed over ethernet is significantly higher even if you are using an older technology router and cat cable. I recently tried transferring a large file from my Ipad Air 4 (connected on wifi) to my desktop pc (connected via ethernet) and the maximum file transfer speed was 10.8 MB/s which is close to 100 Mb/s. More speed about wifi standards and speed can be found here: The old IEEE 802.3u Ethernet network and connection used Cat 3 cables which had a maximum speed of 10Mbps.Ĭompared to ethernet, Wifi 5/6 has a much higher theoretical speed limit at 7 Gbps and above, but in practice the maximum attainable speed is much lesser at around 100 Mb/s which is many orders of magnitude lower. However there are certain differences between ethernet and wifi and each has certain advantages and disadvantages. Ethernet is the older one and used widely even today, whereas wifi is completely wireless and is emerging as the major replacement to the wired ethernet.
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