The internals of the Tab S 8.4 are very interesting , First off we have that gorgeous 2560x1600 resolution SAMOLED display which pushes a mind blowing 359ppi which is the same resolution as its older TabPro 8.4 counterpart , but unlike the TabPro 8.4 , which has a Samsung PLS LCD display , the Tab S features a Super Amoled which means that you will get vibrant , sharp and detailed pictures with deep blacks thanks to the OLED technology . The display is protected by Gorilla glass 3 , and it has Samsung's latest version of Magazine UI (which is a Flipboard type interface for TabPro and TabS devices) on top of Android 4.4 Kitkat ,the software now has features like wifi sync to your Galaxy smartphone which allows you to make and answer calls from your tablet. The storage options remain the same , with 16/32GB onboard storage and a expansion slot for 128GB MicroSD card slots .The RAM has been boosted to 3GB , which is a slight improvement from the 2GB found on the TabPro 8.4 . The processors on the tablet comes in 2 variants ,A Samsung Exynos 5 dual Quad chipset is used for the WiFi versions (QuadCore 1.9Ghz A15 + Quad core 1.2Ghz A7) and a 2.3Ghz Snapdragon 800 chipset for the LTE Versions . Connectivity wise , the TabS features support for Beidou (China's GPS constellation which is not available in Europe and U.S) as well as Gps and Glonass (Russia's GPS constellation) . The tablet will have Wifi 802.11 ac/a/b/g/n and LTE if you pay extra . The 16GB Wifi only model will cost $399 .