It took until the 28th minute for the hosts to open their scoring, Matthew Lewis charging down an attempted clearance kick from behind the Pontypridd goal line, the outside half
going on to convert his own try.
In the Plate competition Mold had a right game with visitors Bethesda, the hosts coming out on top by 15-12 with tries from No 8 Chris Lewis and replacement prop Mark Padgett, one of which was converted by outside half
Steven Quintan who also kicked a penalty.
Lewis Roblin kicked an early penalty for Newport, but the Quins hit back with a try by lock Sioni Timani after 10 minutes which was converted by outside-half James Garland.
Davies ran the show as Cardiff threatened to overrun the Quins with three tries in the opening quarter.
Gert Peens scored 15 of his side's points, including one of their four tries.
Centre Owain Thomas and No 8 Berwyn Hughes were try scorers for Dolgellau in their 10-5 win at Denbigh, who replied with a touch down from outside half
The tries came from centre Ifan Jones, flanker Carwyn Ellis, wing Arwel Jones and centre Dan Newcombe with outside half
Llwarch ap Myrddyn adding three conversions and a penalty.
You had the entire Welsh Outside Half
Factory production line at your disposal with all its maverick and mercurial models and you went for an Englishman who just kicked everything.
TEENAGE outside half
Matthew Jones claimed 14 points as Neath stretched their unbeaten Welsh Premiership record to 10 games.
Cobra had to come from behind at home to Pwllheli before running out victors by 27-17, with touchdowns from flanker Aled Davies and centre Andrew Price, one of which was converted by outside half
Alwyn Williams, who also kicked five penalties.
Further tries came from centre Cameron Moore, flanker Dylan Hughes and outside half
Gareth Edwards, all managing two each, with the latter also managing one conversion.
Bethesda marked their promotion to the top division with a 24-19 success at Llangefni with tries from wing Noan Davey, No 8 Arwyn Griffiths and outside half
Matthew Parry, who also kicked three conversions and a penalty.