Samsung Galaxy A90 Specifications. ... Galaxy A90 has a capacitive touchscreen that supports multi-touch and a pixel density of 402 PPI. It functions on Android v9.0 (Pie) Operating System and driven by Octa-core (2.2 GHz, Dual-core, Kryo 360 + 1.7 GHz, Hexa Core, Kryo 360) processor.
