Comparison table between QTV and Qizmo observer.¶
Here are some of the benefits that QTV carries over Qizmo spectating/observing.
| Feature | QTV | Qizmo | Notes |
| Normal chatting | yes | yes | QTV: chat is ~500ms delayed |
| Talk to players | say_game | say_game | QTV: only during "standby" |
| Auto-tracking | client/serverside | serverside | Qizmo: only usable for specs (or "cams") |
| Smooth playback | smooth | average | Qizmo: depends on the ping/pl |
| Delayed playback | ~10 seconds | realtime | QTV: delay prevents ghosting, ~500ms delay during "standby" |
| Visible weapon models | toggleable | depends | QTV: enable/disable as you wish, Qizmo: serverside setting |
| Weapon statistics | +cl_wp_stats | +wp_stats | +cl_wp_stats is configurable and improved +wp_stats |
| Player tracking | anyone | depends | Qizmo: observer always follows cam, spectator can follow anyone |
| Stresses server | no | yes | QTV: observers do not take server resources (MVDSV) at all |
| Maximum spectators | thousands | ~100 | Qizmo: depends on the CPU/bandwidth available |
| Commentator tracking | toggleable | always as observer | QTV: /cmd follow #ID |
| Multiview | up to 4 screens | no | QTV: requires cl_multiview capable client (ezQuake) |
| Playback finetuning | yes | no | |
| Flood protection | yes | no | Qizmo: ignore_qizmo_spec silences all observers to you |
| Vulnerable to lag | no | highly | |
| Ignore properties | no | yes | |
| HTTP page | yes | no | QTV: can stream live games, demos and can upload demos. Configurable via HTTP. |