Samsung Galaxy S6

Operating System
Android
Screen
5.1-inch QHD 2560×1440 pixel Super AMOLED display
Camera
Rear: 16MP camera
Front: 5MP
Network Speeds
Manufacturer’s rated peak download speeds of up to 75 Mbps (expected average is 12-25 Mbps)⁵
Processor
Quad-core 1.5 GHz Cortex-A53 & Quad-core 2.1 GHz Cortex-A57
Battery
2,550 mAh
Talk time/Standby time
21 hrs (WCDMA) / 390 hrs (LTE)
HD Voice
Yes
Internal Memory
32 GB
Expandable Memory
None
Weight / Dimensions
138 g / 143.4 x 70.5 x 6.8 mm3
SIM Card
NFC Nano SIM
Networks
4G LTE : (Band 1, 2, 3, 4, 5, 7, 12, 13, 17, 20)
4G (HSPA): 2100MHz (Band I) / 1900MHz (Band II) / 850MHz (Band V)
2.5G (GSM): 850MHz / 900MHz / 1800MHz / 1900MHz