Finally Samsung Galaxy S6 Display specifications confirmed by User Agent.
As per Tech Buffalo and Android headlines, Samsung user agent log confirmed the display specifications.
Model : G920 A
Display : 1440 * 2560
CPU : ARM 11
Processor to remain same, Qualcomm Snapdragon 810. The only confusion is, ARM11 processor which basically is 32-bit RISC microprocessor. For sure, Samsung will not use 32-bit in current scenario. It has to be 64 bit.