Samsung has introduced Galaxy Tab A in Russia, after a month it was leaked. The Galaxy Tab A series comes in 8-inch and 9.7-inch displays with a resolution of 1024×768 pixels. Both these are powered by 1.2GHz quad-core (Snapdragon 410 probably) processors, runs on Android 5.0 (Lollipop), come with a 5-megapixel rear camera and a 2-megapixel front-facing camera. These are just 7.5 mm thick, much thinner than its earlier mid-range tablets.
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These tablets have 16GB of internal storage with expansion slot (up to 128 GB) and come in both WiFi and LTE variants. The 8-inch 4G variant has an earpiece for voice calling.
Samsung Galaxy Tab A 8-inch specifications
8-inch (1024×768) 4:3 display1.2 GHz quad-core processor1.5GB RAM, 16GB internal memory, expandable memory (up to 128GB) with microSDAndroid 5.0 (Lollipop)5MP rear camera2MP front-facing camera7.5mm thick and weighs 320 grams4G LTE / 3G HSPA+ (Optional) ,WiFi a/b/g/n, Bluetooth 4.0 and GPS + GLONASS4,200mAh battery
http://www.fonearena.com/blog/134908/samsung-galaxy-tab-a-with-8-inch-and-9-7-inch-displays-android-5-0-4g-lte-announced.html