Greatly improved speeds over 2G technology. Much slower than 4G technology. … Comparing 3G and 4G Speeds in Megabits per Second. NetworkDownload SpeedUpload Speed3G HSPA+42 Mbps22 Mbps3G7.2 Mbps2 Mbps3G vs. 4G Technology – Lifewire www.lifewire.com › Home Networking › Wi-Fi & Wireless