The latest rumor about the upcoming Xiaomi Mi 6 shines a light on the possible models and their pricing and it also mentions a Xiaomi Mi 6 Plus model. Xiaomi Mi 6 variants and pricing: 4GB RAM + 32GB ROM CNY 1,999/ 268 4GB RAM + 64GB ROM CNY 2,299/ 308 6GB RAM + 128GB ROM CNY 2,699/ 362 Xiaomi Mi 6 Plus variants and pricing: 4GB RAM + 64GB ROM CNY 2,599/ 349 6GB RAM + 128GB ROM CNY 2,999/ 402 8GB RAM + 256GB ROM CNY 3,499/ 469 All of the above should have the Snapdragon 835 ticking inside except possibly the 4GB RAM/32GB ROM Mi 6 which could have a Snapdragon...
Source: http://www.gsmarena.com/xiaomi_mi6_variants_and_prices_leak-news-24175.php