The Korean Galaxy S5 features a 5.1 inch Super AMOLED screen with extremely high-resolution QHD display (576ppi - super high). It will also have the Snapdragon 805 processor which is the latest Qualcomm's processor and it will support LTE-A speeds (225Mbps in Korea - the current LTE speeds are 75Mbps).
The new Galaxy S5 will feature 3GB of RAM while the worldwide version has 2GB. As for the camera, it will have a 16 megapixel rear camera.
The new beast will run Android 4.4 Kitkat.