Openvpn
WireGuard vs OpenVPN 2026: Which Protocol Is Better?
WireGuard and OpenVPN are the two most popular VPN protocols. WireGuard is newer and faster; OpenVPN is battle-tested and more flexible. Here’s how they compare.
Quick Comparison
Feature WireGuard OpenVPN Speed ⚡ Very fast (900+ Mbps) 🔄 Moderate (400-600 Mbps) Code Size ~4,000 lines ~70,000 lines Encryption ChaCha20, Curve25519 AES-256, RSA Connection Time Instant (<100ms) Slow (2-10 seconds) Battery Usage Low High Mobile Performance Excellent Good Stealth/Obfuscation Limited Excellent (TCP mode) Maturity Since 2018 Since 2001 Open Source ✅ ✅ Audit Status Formally verified Extensively audited Built into Linux ✅ Kernel module ❌ Userspace Speed Comparison
Tested on a 1 Gbps connection with NordVPN: