Even among Labor voters, Malcolm Turnbull is more popular than Bill Shorten, according to a snap post-spill poll.

The Roy Morgan SMS poll asked 1204 Australian voters who they thought would be a better leader and found seven out of 10 respondents preferred Mr Turnbull. Bill Shorten was favoured by just 24 per cent of voters, while the remaining 6 per cent were undecided or preferred another candidate.

The polling boost came from both ALP and Greens supporters, who backed Mr Turnbull over Mr Shorten 50-44 and 57-38 respectively.