Data size differences

SKYROCKET with BeanPop:
blocksize                 = (int) 131072
boot_size                 = (int) 16777216
recovery_size             = (int) 16776192
selinux_fc                = (str) /tmp/targetfiles-GFSM4_/BOOT/RAMDISK/file_contexts
system_size               = (int) 627048448
tool_extensions           = (str) device/samsung/skyrocket/../common
update_rename_support     = (str) 1
use_set_metadata          = (str) 1
userdata_size             = (int) 20044333056

QUINCYATT with SlimRoms:
blocksize                 = (int) 131072
boot_size                 = (int) 10485760
recovery_size             = (int) 10485760
selinux_fc                = (str) /tmp/targetfiles-iUl6xt/BOOT/RAMDISK/file_contexts
system_size               = (int) 536870912
tool_extensions           = (str) device/samsung/quincyatt/../common
update_rename_support     = (str) 1
use_set_metadata          = (str) 1
userdata_size             = (int) 536870912