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What Are The Top 5 C++ Compilers Of 2021?


In 2021, If we combine C, C++, C++ Builder, Visual C++, Objective-C, Swift, GNU C/C++, and other C and C++ programming languages, C/C++ was the most used programming language according to most of the statistical web sites. In addition to these number there are more C++ developers which are not counted, it is hard to define offline C and C++ developers. If you are on the hunt for the best C/C++ compilers available today, this article lists the top C and C++ compilers for Windows with their features. It’s very hard, in fact, to identify which C++ compiler is the best for you, as this is mostly about what you want to achieve with your code. If you want to implement small projects for analysis and calculations without GUIs and many other features, most small compilers will do just fine. If you want to migrate from building simple exe files to complex professional applications, we highly recommend using a professional C++ compiler with an advanced IDE from the start.

What makes these the top C++ Compilers?

There are two types of programming languages: Interpreted and Non-Interpreted (Compiled). All computers (CPU/GPU) work with machine code (code that can be directly programmed by assembler codes) that tells the computer what to do (exe files are this kind of file). This is the most native and fastest code, but it requires writing many lines for simple things and is hard to generalize for all kind of machines. A Compiler (C or C++ Compiler, etc.) is a computer program that converts one programming language (i.e. C/C++ codes) written with text into executable machine code with a linker. Such code may not be as fast as assembler code, but the difference in speed is very small because both machine code and compiler-based code in text form are much more compatible with other CPU/GPUs and/or with other Operating Systems when you compile them on a machine. This is one reason why C++ is the fastest and most powerful programming language. Interpreted programming languages run inside executable applications like Java, Python or Visual Basic. This is why they are slower when executing operations, as they need to use compiled libraries for faster operations. Again, they mostly they use C/C++ compilers to build these libraries. Using an interpreted programming language is like being carried by a runner, while a compiled (non-interpreted) programming language is like running itself. This subtle difference turns into a huge gap when you run the same routine (i.e., for face recognition) millions of times a millisecond.

In this article we list the top compilers and their features.

1. Embarcadero C++ Builder / C++ Builder Community Edition (Free) C++ Compilers

What Are The Top 5 C++ Compilers Of 2021? C++ Compiler and IDE image.
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C++ Builder includes compilers for Win32, Win64, Android and iOS. C++Builder has both CLANG Enhanced C/C++ Compiler and a Borland C/C++ Compiler. It also features a modern, high-productivity RAD Studio IDE, debugger tools, and enterprise connectivity for to accelerate cross-platform UI development. You can develop GUI based applications easily, as it comes with the award-winning VCL framework for high-performance native Windows apps and the powerful FireMonkey (FMX) framework for cross-platform UIs. There is a free C++ Builder Community Edition that can be used by students, beginners and startups with limitations.

C++ Builder is the easiest and fastest C & C++ IDE for developing simple or professional applications on Windows, MacOS, iOS and Android operating systems. It is also easy for beginners to learn with its wide range of samples, tutorials, help files and LSP support. C++ Builder comes with Rapid Application Development Studio, also knowns as RAD Studio, and C++ Builder is one of the most professional IDEs that work under RAD Studio.

You can download Free the C++ Builder Community Edition (CE) here: https://www.embarcadero.com/products/cbuilder/starter.
Professional developers can use the Professional, Architect or Enterprise versions of C++ Builder. You can download and use the trial version for one month with the same capabilities as the full version . Please visit https://www.embarcadero.com/products/cbuilder.

What Are The Top 5 C++ Compilers Of 2021? A C++ program running in the terminal window.

Learn more about C++ Builder and RAD Studio on their product pages.

2. GNU C/C++ Compiler (GCC, g++) (Free), TPM GCC Compiler (Free)

GNU GCC is another powerful C/C++ compiler originally written as the compiler for the Unix, Linux and GNU operating system. The GNU system was developed to be 100% free software, and it is efficient with both 32-bit and 64-bit operations. This compiler can be used on Windows using MinGW or CygWin Linux Simulators. Compiled executable files need a small dll to run independently on Windows. It is mostly compatible with CLANG standards.

GCC Compiler can be used by Visual Studio Code, Dev C++, Code Blocks, and can be directly used with Command Prompt or PowerShell.
It is available on the official product page https://gcc.gnu.org/.

In addition to Linux version of GNU C/C++ there is TDM GCC Compiler. TDM-GCC 32/64bit Compiler is a GNU C /C++ compiler. Embarcadero Dev-C++ is a new and improved fork (sponsored by Embarcadero) of Bloodshed Dev-C++ and Orwell Dev-C++. It is a full-featured Integrated Development Environment (IDE) and code editor for the C/C++ programming language. It uses the MinGW port of GCC (GNU Compiler Collection) as its compiler. Embarcadero Dev-C++ can also be used in combination with Cygwin or any other GCC based compiler. Embarcadero Dev-C++ is built using the latest version of Embarcadero Delphi. Embarcadero Dev-C++ also has a low memory footprint because it is a native Windows application and does not use Electron.

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If you are beginner and you want to learn and develop great C++ projects you can use TDM GCC Compiler with the Dev-C++. If you want to use this TDM-GCC compiler, the latest free version The Embarcadero Dev-C++ IDE can be used free with GCC compiler and it is a fast, portable, simple C/C++ IDE for Windows. It is completely free, a great choice for beginners. If you want to work professionally it is highly recommended that you start with the C++ Builder CE version. Dev-C++ can be downloaded from here.

A view of the GNU/C++ compilers.

New features of the latest TDM GCC Compiler 10.3 are as below:

  • [GCC] The shared memory region for exceptions and winpthreads has been rewritten for better stability and TLS support
  • [GCC,binutils] Both the TDM32 and TDM64 editions of GCC and binutils are built with --enable-nls and include localization .po files
  • [GCC] GCC has been built with experimental JIT support for both editions
  • [GDB] GDB emits colored output when running under MinTTY
  • [GDB] The 64-bit GDB is built with TUI support
  • [Installer] Start menu & PATH options stay consistent with previous selection when upgrading
  • [Installer] Yes/No choice to open browser to download page if a forced installer update is required
  • [Installer] The installer will gracefully block a bundle install from trying to rewrite an existing install from a non-supported edition
  • New upstream dependency versions:
    • gcc-10.3.0
    • gdb-10.2
    • binutils-2.36.1 (TDM64 only)
    • mingw64-runtime v8-git2021050601 (TDM64 only)
    • mingwrt-5.4.2 (TDM32 only)
    • w32api-5.4.2 (TDM32 only)
    • gmp-6.2.1
    • mpfr-4.1.0
    • mpc-1.2.1
    • isl-0.23
    • zstd-1.4.9
    • expat-2.2.10 (GDB, both editions)
    • termcap-1.3.1 (TDM64-GDB only)
    • readline-8.0 (TDM64-GDB only)
    • ncurses-6.2 (TDM64-GDB only)
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Another IDE that uses GCC Compiler is Visual Studio Code (also called VS Code) is the most popular Free IDE by Microsoft. It could be described as a free version of Visual Studio. It can be used with MinGW Linux Simulation on Windows (with GNU C/C++ Compiler) to develop C++ applications running on the command console. It is the most well-known open-source code editor for a wide variety of languages, and it can act as an IDE with the right extensions. This developer environment tool also offers multiplatform support and is excellent for developers seeking customization and a high degree of flexibility. Visual Studio Code is built in Electron, but it can consume more resources than other native IDEs.

The Visual Studio Code and C++ Compilers.


Visual Studio Code can be downloaded from https://code.visualstudio.com/.

As you know C++ codes are text-based formats, which means they can be edited by any editor. If you don’t have any of the IDEs listed above, Notepad++ is a good tool for editing GNU C/C++ codes.

3. Visual C++ Compilers (Visual Studio / Visual Studio Code)

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Microsoft’s Visual C++ Compilers are very popular compilers and come with the Visual Studio IDE. Visual C++ supports CLANG standards while C# has its own specific standards that differ from those for C++. Visual Studio can be downloaded from https://visualstudio.microsoft.com/.

The Visual Studio C++ Compilers.

4. Embarcadero C/C++ Compiler (Free)

Embarcadero C++ Compiler is a free C and C++ compiler for Windows. This package has compiler and linker, but does not include an IDE. You will need to use an editor to edit codes, and use Command Prompt or PowerShell to run and debug your codes. C++Builder includes C11 language support, the Dinkumware STL (Standard Template Library) framework, and the complete Embarcadero C/C++ Runtime Library (RTL). In this free version you’ll also find a number of C/C++ command line tools, such as the high-performance linker and resource compiler.

This free C++ compiler can be downloaded from Embarcadero’s Official Web Page: https://www.embarcadero.com/free-tools/ccompiler.

The free command line C++ compilers.

The free C++ Compiler download includes:

  • Embarcadero C++ Compiler (bcc32c/bcc32x)
  • Turbo Incremental Linker (tlink32)
  • C++ Win32 Preprocessor (cpp32)
  • Import Library utility—for creating import libraries from DLLs (implib)
  • Librarian for symbol case-conversion, creating extended libraries and modifying page size (tlib)
  • Other useful command-line utilities such as make, grep, and touch
  • The Embarcadero C/C++ Runtime Library, and the DinkumwareANSI/ISO Standard Template Library (STL)

5. Borland C++ Compiler (Free)

Borland C++ is an early version of Embarcadero C++ Compiler, it also a free C++ compiler for Windows. This package has compiler binaries, including libraries, but lacks an IDE, which means you will need to use an editor and shell commands. This compiler is updated with the free Embarcadero C++ Compiler. It could be described as the old version of the Embarcadero C++ Compiler, but it still works well on Windows 98, XP, 7, 8, Vista and 10.

This free Embarcadero C++ Compiler can be downloaded from Embarcadero’s Official Web Page : https://www.embarcadero.com/free-tools/ccompiler. If you are editing old code that is giving you compatibility problems on this new compiler, you can refer to this article to download Borland C++ https://edn.embarcadero.com/article/20633.

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About author

33+ years of coding with more than 30+ programming languages, mostly C++ on Windows, Android, Mac-OS, iOS, Linux and some other operating systems. Dr. Yilmaz Yoru was born in 1974, Eskisehir-Turkey. He graduated from the department of Mechanical Engineering of Eskisehir Osmangazi University in 1997. One year later he started to work in the same university as an assistant. He received his MSc and PhD degrees from the same department of the same university. He has married and he is a father of a son. Some of his interests are Programming, Thermodynamics, Fluid Mechanics and Artificial Intelligence. He also likes the graphical 2D & 3D design and high-end innovations.
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