G++ is the C++ frontend to the GNU Compiler Collection (gcc).
GCC is the GNU Compiler Collection
"So using g++ is better than gcc"
from question "Error: unknown type name ‘bool’"
"G++ seems to work better than gcc in my experience"
from question "Code Blocks and SDL output. weird behavior"
"Unfortunately g++ packed the structs significantly looser than gcc which caused significant problems sharing objects between c and c++ code"
from question "Is it possible to subclass a C struct in C++ and use pointers to the struct in C code?"
|Compiler more strict||
"G++ compiler is more strict then gcc compiler"
from question "C & c++ default global variable linkage, multiple declaration & definition problem"
"The g++ version is a little larger than the gcc version but not 100x larger"
from question "How does the size of compiled binaries depend on the used libraries? c/c++"