2. Oppo R7 Plus

Next up in our list of best 4GB RAM smartphones is Oppo R7 Plus. This device houses a massive 6-inch AMOLED display with Full HD resolution. R7 Plus is powered by 1.5GHz octa-core Snapdragon processor sitting on 4GB RAM and Adreno 405 graphics. Other Oppo R7 Plus specs are also amazing: 13MP main camera, 8MP front snapper, 32GB ROM (128GB expandable) and 4100mAh battery. With such impressive features, Oppo R7 Plus price comes at only $425.

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