It uses significantly less RAM than standard clients.
Tuff Client walks a fine line between "QoL mod" and "blacklisted modifications." While the client does not contain aimbot or fly hacks (unlike Wurst or Impact), it uses "Reach Display" and "Hitbox Color" features that are banned on almost all competitive servers. tuff client launcher top
The primary draw of Tuff Client is its focus on . Unlike the standard vanilla launcher, Tuff is engineered to reduce memory usage and maximize frames per second (FPS). By integrating optimization mods like Sodium or Lithium directly into the client, it allows players on lower-end hardware to enjoy a smooth experience that would otherwise be plagued by lag. For competitive players, these extra frames are the difference between victory and defeat in fast-paced PvP environments. Customization and Aesthetics It uses significantly less RAM than standard clients