John Mulvihill was disappointed to leave Cork empty-handed but took pride from his side's effort.
Aled Summerhill bagged a try on his 50th appearance for the region but would have swapped it all for a win.
Josh Turnbull yn dweud fod rhaid i Gleision Caerdydd symud ymlaen o'r gêm yn erbyn Munster a teithio i Galway wythnos nesaf i berfformio am yr 80 munud cyfan.