Is iMac 27' 5K Mac System Got Hardware Update

Hi Sir, Am From Bengaluru, Karntaka, India. Today I Went To Apple Retailer Store In My Area For Buying iMac 27' 5K, But My doubt Is , They told me That iMac 27' 5K Systems Has 6th Generation Intel Skylake Processors. According To My Knowledge 'Macbook' Only Mac System Got 6th Genearation Processors Hardware Update. And I didn't Get Official The Confirmation From The Apple Website or From Other Side.. Can You Solve my problem??? Thank You....:)