Sony smartphones have sat just below the top tier for a while now, so the new Xperia XZ2 has a lot to prove. At £699 (inc. VAT) it's more affordable than the £730 Samsung Galaxy S9, but is pipped by the Huawei P20 which is £100 less at £599 (the P20 Pro comes in at £799).
Sony Xperia XZ2 review at ZDNet