Sanity Check - Correlated Select Subquery SQL rewrite equivalent? Or no?

Are these queries equivalent? My gut says not exactly but maybe. The results returned are identical in the test cases I ran, but I fear I'm missing something.

Original SQL (27 seconds to return 26 rows) Modified Version - Same rows but 336 ms

Original

Modified

  SELECT FPE.COL1,          FPE.COL2,          FPE.COL3,          FPE.ID,          FPE.COL4,          FPE.VERSION     FROM F_PLAN FPE    WHERE (FPE.ID IN               (SELECT MAX (FPE.ID)

                 FROM F_PLAN

                WHERE FPE.COL3 IN



                          ('some_guid_id_1',



                           'some_guid_id_2')))

ORDER BY FPE.ID   SELECT FPE.COL1,          FPE.COL2,          FPE.COL3,          FPE.ID,          FPE.COL4,          FPE.VERSION     FROM F_PLAN FPE,     (SELECT COL3, ID

                 FROM F_PLAN

                WHERE COL3 IN



                          ('some_guid_id_1',



                           'some_guid_id_2')

    ) t1

    where FPE.COL3 = T1.COL3

    and FPE.ID = T1.ID

ORDER BY FPE.ID

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