| GNU C Compiler | Turbo C Compiler |
|---|---|
| It is a primitive, standard C compiler. | It is an old, non-standard C compiler. |
| It is used and it comes mostly with *nix Operating systems. | It can be used with any operating systems, such as Windows, Linux. |
| It was developed by Free Software Foundation. | It was developed by Borland. |
| Users need to use via a command-line interface. | It has menus and mouse-based interaction facilities as well, which makes it Graphical User Interface IDE. |
| GNU Compiler supports C++14 and C++17. | Turbo's C++ 4.5 compiler do not support latest C++ standards. |
| Initial Release in the year 1987. | Initial Release in the year 1990. |