A new study has shown that download speeds over Wi-Fi are on average 30 percent slower than fixed Ethernet connections. The reason for this lies in physical barriers around a house as interference from other devices, including microwaves. According to Reuters, broadband research firm Epitiro has reported that when surfing the net, the speed drop is not as noticeable. However, when data is being transferred over Wi-Fi it could result in latency and data loss.