The Apple Macbook Pro Early 2013 Retina has a better Wi-Fi standard than most notebook PCs of a comparable age and spec to it. This notebook PC has an 802.11a WiFi standard, whereas most MacBooks that were released more than two years ago have an 802.11n WiFi standard. In addition, this Apple notebook PC have an 802.11b and 802.11g WiFi standard.
This portable PC's Wi-Fi standard (802.11a) is actually the worst Wi-Fi standard across all MacBooks that have been on the market for a similar time to the Macbook Pro Early 2013 Retina.
Across comparable types of portable PC the best Wi-Fi standard is 802.11n.