Samsung I9100 Galaxy S II

Samsung Galaxy S6

browser

java

Yes

os

Android 4.1 (Jelly Bean)

Android N OS 7.0

expandable

32 GB

ram

1 GB

3 GB

rom

16 GB

32 GB

gpu

Mali-400MP4

Mali-T760MP8

number of cores

2core

8core

soc

Exynos 4210 Dual

Exynos 7420 Octa

speed

1.2 GHz Cortex-A9

4x2.1 GHz Cortex-A57 & 4x1.5 GHz Cortex-A53

primary

8 MP AF

16 MP AF OIS

secondary

2 MP

5 MP AF

Stand By

710 Hour(2G), 610 Hour(3G)

Talk Time

18.3 Hour(2G), 8.6 Hour(3G)

capacity

1650mAh

2550mAh

type

Li-Ion

Li-Ion (non-removeable)

Display

Super AMOLED Plus 480 x 800 pixels (~217 ppi pixel density)

Super AMOLED 1440 x 2560 pixels (~577 ppi pixel density)

Weight

116 gm

138 gm

screen

4.3"

5.1"

USB

v2.0 microUSB

v2.0 (MHL 3 TV-out), USB Host

bluetooth

v3.0+HS

v4.1, A2DP, LE, apt-X

wifi

802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot

802.11 b/g/n

General

Facebook, Picasa, Twitter, Caller groups, Multiple numbers per contact, Search by both first and last name, Picture ID, Ring ID, Calculator, World Clock, Stopwatch, Countdown timer, Memo

sensors

Accelerometer, gyro, proximity, compass, GPS, A-GPS

Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2