It is equal in item level. Conquest gear starts out at 200 item level. Normal raid is 200. conquest upgrades at combat to 207, then at duelist or is it challenger. the 1600 mark gives 213, which is heroic raid ilvl. the 1800 mark gives something I believe, and I know the 2400 mark gives 226.
Benchmarks for PvE:
Normal: 200 for 8; 207 for bosses 9 and 10.
Heroic: 213 for 8, 220 for bosses 9 and 10
Mythic: 226 for 8, 233 for bosses 9 and 10
PvP:
Base conquest ; 0-1399 rating; 200 ilvl
Combatant; 1400-1599; 207
Challenger? If I got that right or Duelist; 1600-1799; 213
Challenger or Duelist, whatever the previous isn’t; 1800-2099; 220
The Gladiator for PvP at 2400 is 226
Like, is it 233? No, is it 226, which is mythic 8 bosses? Yes. Mythic raiding is doing top end, highest rated PvPers get 226.