Zhè fú huà de pǐngé chāoyuè le tóng shídài de zuòpǐn.
The quality of this painting surpasses the works of its contemporaries.
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usage
品格 covers both personal moral character and the aesthetic quality/character of a work of art or literature. Compare with 人格 (rěngé, personality/personhood) which focuses on personal identity rather than moral standing.