Contradiction with 1 Kings 6:2
States that Solomon's temple was 60 cubits long, 20 cubits wide, and 30 cubits high, whereas Ezra 6:3 describes the new temple as 60 cubits high and 60 cubits wide.
1 Kings 6:2: And the house which king Solomon built for the LORD, the length thereof [was] threescore cubits, and the breadth thereof twenty [cubits], and the height thereof thirty cubits.
Contradiction with Haggai 2:3
Suggests that the new temple was considered inferior in glory compared to the former temple, whereas Ezra 6:3 implies the significance and grandeur of its dimensions.
Haggai 2:3: Who [is] left among you that saw this house in her first glory? and how do ye see it now? [is it] not in your eyes in comparison of it as nothing?
Contradiction with Ezra 3:12-13
Describes how some of the old men wept aloud when seeing the foundation of the new temple, feeling it was inferior to the first, contrasting with the implied grandeur of the construction described in Ezra 6:3.
Ezra 3:12-13: But many of the priests and Levites and chief of the fathers, [who were] ancient men, that had seen the first house, when the foundation of this house was laid before their eyes, wept with a loud voice; and many shouted aloud for joy: