Someone has performed a benchmark test on a Sony Xperia XZ Premium device which carries the model number: G8141. GeekBench was the test of choice which also revealed RAM and the Android version: 4GB and 7.1.1, respectively. The GeekBench listed scores the Xperia XZ Premium with 1943 and 5824 in the single and multi-core tests. Despite having a Snapdragon 835 chipset, the unreleased Sony device's performance numbers seem marginally muffled compared to a couple of other SD835-powered smartphones. For example, Samsung's S8+ with the SD835 chip scored 6106 in multi core and 1915 in the single...
Source: http://www.gsmarena.com/sony_xperia_xz_premium_pops_up_on_geekbench-news-24863.php