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Model

Samsung Gear S2 classic 3G

Compare Samsung Gear S2 classic 3G and Xiaomi Mi A2

Samsung Gear S2 classic 3G vs Xiaomi Mi A2

Samsung Gear S2 classic 3G

Samsung Gear S2 classic 3G

Xiaomi Mi A2

Samsung Gear S2 classic 3G

Xiaomi Mi A2

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
3G network

HSDPA

HSDPA 850, 900, 1900, 2100
4G network

-

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China
HSPA speed

-

HSPA
LTE speed

-

LTE
GPRS

No

Yes
EDGE

No

Yes

Availability
Status

2016-3

2018
Oficially announced

2016-2

2018-4

Design
Build

Stainless Steel

Front glass, aluminum body
SIM

Electronic SIM card (e-SIM)

Hybrid Dual SIM (Nano-SIM, dual stand-by)
Height

44 mm

158.7 mm
Width

46.9 mm

75.4 mm
Thickness

13.4 mm

7.3 mm
Weight

54 g

168 g
Colors

Black, Rose Gold, ceramic bracelet

Black, Cherry Pink, Flame Red, Glacier Blue, Sand Gold

Display
Display type

Super AMOLED capacitive touchscreen

LTPS IPS LCD capacitive touchscreen
Physical size

1.2 inches

5.99 inches
Resolution

360 x 360 pixels

1080 x 2160 pixels
Pixel density

424 ppi

403 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass 3

Corning Gorilla Glass 3
Multitouch

Yes

Yes

Hardware
CPU

-

Octa-core
CPU

Dual-core 1.0 GHz ARM Cortex-A7

Quad-core 2.2 GHz Kryo 260
CPU(second)

quad-core 1.8 GHz Kryo 260
Chipset

Exynos 3250 Dual

Qualcomm SDM660 Snapdragon 660
GPU

Mali-400MP2

Adreno 512
Memory RAM

512 MB

4, 6 GB
Internal storage

4 GB

64, 128 GB
Memory card

microSD(uses second SIM slot)
Memory card max

-

256 GB

OS
OS

Tizen-based wearable platform

Android 8.1 (Oreo); Android One

Sound
3.5mm jack

No

No
Loudspeaker

Yes

Yes
Notifications

Vibration; MP3, WAV ringtones

Vibration; MP3, WAV ringtones
Headphone adapter

-

Yes

Multimedia
Radio

No

-
Radio FM

-

FM radio

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n, 802.11e

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
WLAN WiFi Hotspot

-

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

Type-C 1.0 reversible connector
Bluetooth

v4.1

v5.0
Bluetooth A2DP

-

Yes
bluetooth LE

-

Yes
Infrared

-

Yes
NFC

Yes

-
GPS

No

Yes, with A-GPS
GLONASS

-

Yes
BDS

-

Yes

Features
Messaging SMS

SMS(threaded view)

SMS(threaded view)
Messaging MMS

MMS

MMS
Messaging Email

Email

Email
Messaging IM

IM

IM
Messaging Push Email

-

Push Email
Java

No

-
Sensors

Accelerometer, barometer, gyro, heart rate

Fingerprint (rear-mounted), accelerometer, compass, gyro, proximity

Browser
HTML

-

HTML5
Browser

No

-

Battery
Battery type

Li-Ion

Li-Ion
Battery capacity

300 mAh

3010 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

-

Qualcomm Quick Charge 3.0
Talk time

48 h

-
Standby time 3G

48 h

-

Main camera
Camera type

-

Dual
Main camera

12 MP, f/1.8 , 1/2.9" , 1.25 µm, 2x optical zoom
20 MP, f/1.8 , 1/2.8" , 1 µm
Primary camera resolution

-

4000 x 3000 pixels
Primary camera video

-

2160p@30fps, 1080p@30fps, 720p@120fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

-

LED flash
Electronic image stabilization

-

EIS (gyro)
Camera features

-

Geo-tagging, HDR, face detection, panorama, touch focus

Selfie camera
Selfie camera

20 MP, f/1.8 , 1/2.8" , 1.0 µm
Selfie camera resolution

-

5384 x 3752 pixels
Secondary camera HDR

-

Auto HDR
Selfie camera video

-

1080p@30fps

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