The Inspiron 14 5000 has a better Wi-Fi standard than most portable PCs that have been available for around the same time as it. This notebook PC has an 802.11a WiFi standard, whereas most medium processor core laptops that were released more than two years ago have an 802.11n WiFi standard. In addition, this DELL notebook PC have 802.11ac and 802.11b and 802.11g WiFi standards.
This portable PC's Wi-Fi standard (802.11a) is actually the worst Wi-Fi standard across all portable PCs of a similar spec and age to the Inspiron 14 5000.
Across comparable types of portable PC the best Wi-Fi standard is 802.11n.