The South African side, Titans romped over Sunrisers' total of 145 in just 16.3 overs with two wickets down to give a major boost to their run rate.
The pair took the Sunrisers bowlers to task with a scintillating batting display and transformed the run chase into a cakewalk adding 112 in 12.1 overs at the JSCA International Stadium.
Davids continued his good form and reached his second half century of the tournament as he smashed seven boundaries and clobbered four sixes in his 42-ball 64 knock.
Davids' dismissal off Dale Steyn came too late for the Sunrisers as the openers had put the Titans in a winning position.
More From This Section
A B de Villiers (9) came out all gun blazing and hit two fours before he was dismissed by Ishant Sharma while looking for another big shot.
For Sunrisers, none of the bowlers barring pacer Steyn could make an impact.
Steyn's impressive figures of 1 for 23 in four overs was the only highlight of the Sunrisers bowling which looked ordinary.
Earlier, Titans' pacer David Wiese starred with the ball as Sunrisers Hyderabad blowed away a good start to be restricted to 145 for seven in a crucial tie.