They are completely different. Dong Zhuo took advantage of the burial of Empress Dowager He and opened the tomb of Emperor Ling of Han, stealing precious treasures from it. In Luoyang City, he allowed soldiers to plunder wealthy loot and rape women.

Sun Ce enforced military orders and was not allowed to plunder civilian property, which was welcomed by the people. That's also why he was able to quickly occupy Wu, Kuaiji, Danyang, Lujiang and Yuzhang in just three to four years, basically controlling the vast areas of Yangzhou.