Gcc on new ubuntu systems

Please describe the issue you’re having?

so, the default gcc version on Ubuntu 14.04 is 4.8 ( gcc (Ubuntu 4.8.4-2ubuntu1~14.04.3) 4.8.4 ), but on the new Ubuntu systems, gcc --version reports gcc (Ubuntu/Linaro 4.4.7-8ubuntu1) 4.4.7

is there any reason for that?