Key Takeaway (TL;DR): v2rayN remains the most versatile Windows proxy GUI, featuring dynamic core switching between Xray-core and sing-box. It provides transparent batch real-latency socket tests and granular TLS inspection. When paired with Guangsu Cloud 2.5Gbps IEPL, full-mesh connectivity checks finish in under 4 seconds with 40ms round-trip times.
1. Dual-Core Flexibility
Users can toggle between Xray-core for mature XTLS/VLESS workflows and sing-box for lightweight TUIC and Hysteria 2 operations.