The Lenovo Y50-70 has a better Wi-Fi standard than most notebook PCs of this age and type. This notebook PC has an 802.11n WiFi standard, whereas most gaming laptops that were released one year ago have an 802.11a WiFi standard. This portable PC also have 802.11ac and 802.11b and 802.11g WiFi standards.
An 802.11n WiFi standard is actually the best Wi-Fi standard amongst all notebook PCs of this age and spec.
Amongst similar types of notebook PC the worst Wi-Fi standard is 802.11a.