Samsung Galaxy S9 vs Xiaomi Mi Note 3

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE

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

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
HSPA speed

-

HSPA
LTE speed

-

LTE
LTE-A speed

LTE-A, (6CA) Cat18, 1200 Mbps download, 200 Mbps upload

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Front/back glass (Gorilla Glass 5), aluminum frame

-
SIM

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

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

147.7 mm

152.6 mm
Width

68.7 mm

74 mm
Thickness

8.5 mm

7.6 mm
Weight

163 g

163 g
Payment

Samsung Pay(Visa, Mastercard certified)

-
Waterproof

IP68, 1.5m and 30 minutes

-
Dust proof

Yes, IP68

-
Colors

Coral Blue, Lilac Purple, Midnight Black, Titanium Gray

Black, Blue (128/6 only)

Display
Display type

Super AMOLED capacitive touchscreen

IPS LCD capacitive touchscreen
Physical size

5.8 inches

5.5 inches
Resolution

1440 x 2960 pixels

1080 x 1920 pixels
Pixel density

570 ppi

401 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass 5

Corning Gorilla Glass 4
Multitouch

Yes

Yes
Display features

HDR10 compliant, 3D Touch, Always-on display

-

Hardware
CPU

Octa-core

Octa-core
CPU

Quad-core 2.7 GHz Mongoose M3

Quad-core 2.2 GHz Kryo 260
CPU(second)

quad-core 1.8 GHz Cortex-A55

quad-core 1.8 GHz Kryo 260
Chipset

Exynos 9810 Octa / Qualcomm SDM845 Snapdragon 845

Qualcomm MSM8956 Plus Snapdragon 660
GPU

Mali-G72 MP18 / Adreno 630

Adreno 512
Memory RAM

4 GB

6 GB
Internal storage

64, 128, 256 GB

64, 128 GB
Memory card

microSD(uses second SIM slot)
Memory card max

400 GB

-

Main camera
Camera type

Photo / Video

-
Camera type

-

Dual
Main camera

12 MP, f/1.5-2.4 , 26 mm, 1/2.5" , 1.4 µm

12 MP, f/1.8 , 27 mm
12 MP, f/2.6 , 52 mm
Primary camera resolution

4032 x 3024 pixels

-
Primary camera video

2160p@60fps, 1080p@240fps, 720p@960fps

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

dual pixel phase detection autofocus

phase detection autofocus
Primary camera flash

LED flash

dual-LED (dual tone) flash
Primary camera optical image stabilization

optical image stabilization

4-axis optical image stabilization
Primary camera video dual video

dual-video record

-
Primary camera video hdr

HDR

-
Camera features

Auto HDR, Geo-tagging, face/smile detection, panorama, simultaneous 4K video and 9MP image recording, touch focus

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

-

94
DxOMark video

-

82
DxOMark camera score

-

90

Connectivity
WLAN

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

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C reversible connector
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

Yes

-
Infrared

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
BDS

Yes

Yes

Features
Messaging SMS

SMS(threaded view)

SMS(threaded view)
Messaging MMS

MMS

MMS
Messaging Email

Email

Email
Messaging IM

IM

IM
Messaging Push Mail

Push Mail

Push Mail
Java

-

No
Sensors

Iris scanner, SpO2, accelerometer, barometer, compass, fingerprint (rear-mounted), gyro, heart rate, proximity

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