The third-ranked Pole, who cruised through the tournament without dropping a set -- sealed her second title in Beijing with an ace for a 6-4, 6-2 win.
After dropping her serve twice in each set, Britain's Konta tried to even the scoreline in the second, pushing Radwanska to two break points in the sixth game.
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But the Pole -- nicknamed the Magician for her ability to conjure up shots -- shot a forehand down the line to save her service game.
Konta held the next with a forehand dropshot that Radwanska redirected wide.
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But the Pole then served for the title, firing her only ace of the match straight down the line for her third Premier Mandatory title, one rung down from a Grand Slam.
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