The Lenovo X230 has a better Wi-Fi standard than most portable PCs that are a comparable age to it. This Lenovo laptop has an 802.11n wi-Fi standards, whereas most portable PCs that were released more than two years ago have an 802.11b wi-Fi standards. This Lenovo portable PC also has an 802.11g wi-Fi standards.
An 802.11n wi-Fi standards is actually the best Wi-Fi standard across all notebook PCs that came out more than two years ago.
Across similar types of notebook PC the worst Wi-Fi standard is 802.11a.