Samsung Galaxy A3 (2017) vs Xiaomi Mi 9

Samsung Galaxy A3 (2017)

Xiaomi Mi 9

Network
2G network

GSM 850, 900, 1800, 1900 - EMEA; HSDPA 850, 900, 1700(AWS), 1900, 2100 - SEA, LATAM

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

HSDPA 850, 900, 1900, 2100 - EMEA; HSDPA 850, 900, 1700(AWS), 1900, 2100 - SEA, LATAM

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - EMEA; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 20(800), 28(700), 38(2600), 40(2300), 41(2500) - SEA, LATAM

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 38(2600), 39(1900), 40(2300)
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

LTE
LTE-A speed

LTE-A, (2CA) Cat6, 300 Mbps download, 50 Mbps upload

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

Aluminium alloy, glass
SIM

Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)

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

135.4 mm

157.5 mm
Width

66.2 mm

74.7 mm
Thickness

7.9 mm

7.6 mm
Weight

135 g

173 g
Waterproof

1.5 m and 30 minutes

-
Dust proof

Yes

-
Colors

Black Sky, Blue Mist, Gold Sand, Peach Cloud

Black, Blue, Violet

Display
Display type

Super AMOLED capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

4.7 inches

6.39 inches
Resolution

720 x 1280 pixels

1080 x 2340 pixels
Pixel density

312 ppi

403 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
Multitouch

Yes

Yes
Display features

-

HDR10, DCI-P3

Main camera
Camera type

-

Triple
Main camera

13 MP, f/1.9

48 MP, f/1.8 , 1/2" , 0.8 µm, 2x optical zoom
16 MP, f/2.2 , 13 mm, 1/3" , 1.0 µm
12 MP, f/2.2 , 54 mm, 1/3.6" , 1.0 µm
Primary camera resolution

-

8000 x 6000 pixels
Primary camera video

1080p@30fps

2160p@30/60fps, 1080p@30/120/240fps, 1080p@960fps
Primary camera Autofocus

autofocus

-
Primary camera flash

LED flash

LED flash
Camera features

Geo-tagging, face detection, panorama, touch focus

Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, RAW
DxOMark photo

-

115
DxOMark video

-

99
DxOMark camera score

-

110

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
WLAN DLNA

-

Yes
USB

Type-C reversible connector

Type-C 1.0 reversible connector
USB On-The-Go

-

Yes
Bluetooth

v4.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
Infrared

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

-

Yes
BDS

Yes

-
QZSS

-

Yes

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Mail

Push Mail

-
Java

No

-
Sensors

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

Accelerometer, compass, gyroscope, fingerprint, proximity