The J-series is one of Samsung's strongest performing lines and this could be the first of the 2018 models. The SM-J337 - likely the Samsung Galaxy J3 - showed up on GFXBench with familiar specs except for the chipset. A pretty modern Mali-G71 GPU provides the graphics power. The number of cores is unknown (likely just one), but this architecture is used in the Galaxy S8 (Exynos 8895) and in the Galaxy A5 (2018) with its still unofficial Exynos 7885. The Galaxy J3 (2018) uses neither of those as it comes with only four Cortex-A53 cores. The 7885 has two Cortex-A73 cores for additional...
Source: https://www.gsmarena.com/samsung_smj337_galaxy_j3_2018_at_gfxbench-news-28177.php