Server
| Feature | v2ray-core | clash |
|---|---|---|
| Direct inbound | ✔ | X |
| SOCKS4a inbound | ✔ | X |
| Mixed (http/socks) inbound | X | ✔ |
| Shadowsocks AEAD 2022 single-user/multi-user/relay inbound | X | X |
| VMess/Trojan inbound | ✔ | X |
| Naive/Hysteria inbound | X | X |
| Resolve incoming domain names using custom policy | X | X |
| Set system proxy on Windows/Linux/macOS/Android | X | X |
| TLS certificate auto reload | X | X |
| TLS ACME certificate issuer | X | X |
Client
| Feature | v2ray-core | clash |
|---|---|---|
| Set upstream client (proxy chain) | TCP only, and has poor performance | TCP only |
| Bind to network interface | Linux only | ✔ |
| Custom dns strategy for resolving server address | X | X |
| Fast fallback (RFC 6555) support for connect to server | X | X |
| SOCKS4/4a outbound | added by me | X |
| Shadowsocks AEAD 2022 outbound | X | X |
| Shadowsocks UDP over TCP | X | X |
| Multiplex (smux/yamux) | mux.cool | X |
| Tor/WireGuard/Hysteria outbound | X | X |
| Selector outbound and Clash API | X | ✔ |
Sniffing
| Protocol | v2ray-core | clash-premium |
|---|---|---|
| HTTP Host | ✔ | X |
| QUIC ClientHello | added by me | added by me |
| STUN | X | X |
| Feature | v2ray-core | clash-premium |
|---|---|---|
| For routing only | added by me | X |
| No performance impact (like TCP splice) | no general splice support | X |
| Set separately for each server | ✔ | X |
Routing
| Feature | v2ray-core | clash-premium |
|---|---|---|
| Auto detect interface | X | tun only |
| Set default interface name | X | tun only |
| Set default firewall mark | X | X |
Routing Rule
| Rule | v2ray-core | clash |
|---|---|---|
| Inbound | ✔ | X |
| IP Version | X | X |
| User from inbound | vmess and shadowsocks only | X |
| Sniffed protocol | ✔ | X |
| GeoSite | ✔ | X |
| Process name | X | ✔ |
| Android package name | X | X |
| Linux user/user id | X | X |
| Invert rule | X | X |
| Logical rule | X | X |
DNS
| Feature | v2ray-core | clash |
|---|---|---|
| DNS proxy | A/AAAA only | ✔ |
| DNS cache | A/AAAA only | X |
| DNS routing | X | X |
| DNS Over QUIC | ✔ | X |
| DNS Over HTTP3 | X | X |
| Fake dns response with custom code | X | X |
Tun
| Feature | clash-premium |
|---|---|
| Full IPv6 support | X |
| Auto route on Linux/Windows/macOS/Android | ✔ |
| Embed windows driver | X |
| Custom address/mtu | X |
| Limit uid (Linux) in routing | X |
| Limit android user in routing | X |
| Limit android package in routing | X |
Memory usage
| GeoSite code | sing-box | v2ray-core |
|---|---|---|
| cn | 17.8M | 140.3M |
| cn (Loyalsoldier) | 74.3M | 246.7M |
Benchmark
Shadowsocks
| / | none | aes-128-gcm | 2022-blake3-aes-128-gcm |
|---|---|---|---|
| v2ray-core (5.0.7) | 13.0 Gbps | 5.02 Gbps | / |
| shadowsocks-rust (v1.15.0-alpha.5) | 10.7 Gbps | / | 9.36 Gbps |
| sing-box | 29.0 Gbps | / | 11.8 Gbps |
VMess
| / | TCP | HTTP | H2 TLS | WebSocket TLS | gRPC TLS |
|---|---|---|---|---|---|
| v2ray-core (5.1.0) | 7.86 GBps | 2.86 Gbps | 1.83 Gbps | 2.36 Gbps | 2.43 Gbps |
| sing-box | 7.96 Gbps | 8.09 Gbps | 6.11 Gbps | 8.02 Gbps | 6.35 Gbps |
License
| / | License |
|---|---|
| sing-box | GPLv3 or later (Full open-source) |
| v2ray-core | MIT (Full open-source) |
| clash | GPLv3 |