When comparing Xfce4 terminal vs Tilix, the Slant community recommends Xfce4 terminal for most people. In the question“What are the best terminal emulators for UNIX-like systems?” Xfce4 terminal is ranked 4th while Tilix is ranked 12th. The most important reason people chose Xfce4 terminal is:
Like other applications included in the Xfce package, this terminal emulator is very lightweight and doesn't require many resources to run. This makes it perfect for systems that have low specs.
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Pros
Pro Good for systems with low specs
Like other applications included in the Xfce package, this terminal emulator is very lightweight and doesn't require many resources to run. This makes it perfect for systems that have low specs.
Pro True transparency
You can set the transparency of the Xfce4 terminal on any amount you want, out of the box.
Pro Tabs support
Xfce4 fully supports tabs and tab-based navigation.
Pro Almost everything is customizable
You can configure size, color, background, etc.
Pro Composition effects
Xfce4 terminal takes advantage of xfce composition effects.
Pro Fast rendering
Pro Can be switched to a drop-down terminal
You can configure the Xfce-terminal to act as a dropdown terminal if you want, which makes for greater ease of use.
Pro Multiple sessions inside a single window
In addition to tiling, Tilix supports placing separate sessions in tabs or switching from one to another through a sidebar.
Pro Tiling makes for ease of use
The user can split terminals horizontally or vertically, according to their needs or preferences.
Pro Integrates nicely into GNOME 3
Tilix follows the GNOME Human Interface Guidelines and uses the UI patterns of this desktop environment.
Pro Good alternative to Terminator
Tiling and ability to type into multiple terminals simultaneously is Terminator's 2 most significant features. Tilix has them as well.
Pro Configurable shortcuts
Many actions in Tilix can be triggered with configurable shortcuts.
Pro GNOME Human Interface Guidelines
Tilix follows GNOME HIG whereas gnome-terminal doesn't. GNOME should use Tilix as their default terminal.
Pro Transparent background
Unlike the standard GNOME Terminal, Tilix supports configurable background transparency.
Pro Fancy looks
Tilix has that new GNOME look, with a HeaderBar. It can also be disabled.
Pro Able to write into multiple terminals simultaneously
Inside a session, you can select multiple terminals, which will receive the same input simultaneously.
Pro Can be used as a drop-down terminal
The new 1.30 version of Tilix supports a quake mode enabling it to work as a drop-down terminal.
Pro Extremely fast
As fast as gnome-terminal, if not faster.
Pro Copy on select
Pro Faster than Gnome Terminal
When running commands it feels snappier.
Pro Easy
Pro Copy as HTML
You can copy text from the terminal as HTML for embedding in web settings.
Pro Lightweight
Pro Solarized themes built-in
Great support for solarized color schemes, and no setup is involved.
Pro Terminus can notify you about finished tasks and perform actions based on terminal output
Cons
Con Cannot set text color for character under cursor to background color
Suppose you have a dark background with a light cursor and light foreground color: the light cursor will cover up whatever character it is on, so that you cannot read it. There is no option to set the foreground color for the character under the cursor to what is normally the background color. Such an option would allow you to read the character under the cursor.
Con Execution in xfce4-terminal - e mode is not always functional
Con Resizing text resizes window
Con No profiles
There's no profiles or profile-based customization in Xfce-terminal.
Con Can't scroll on spamming text
When text generates too fast, you can't scroll it, so you just can't read anything in such moments.
Con Does not support sixel images
Con Unmaintained
Bugs and pull requests are not processed.
Con No font ligatures
Con Takes a bit more memory than Gnome terminal
Would've expected this to be more lightweight.
Con Heavyweight
Tilix has quite a lot of dependencies and takes ~100MB of RAM when running.