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Redmi Watch 4 vs Xiaomi Mi 9

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Redmi Watch 4
Total value: 8,50
User opinions: 0
Xiaomi Mi 9
Total value: 8,64
User opinions: 0
Type -Touch
Dimensions 47.58 x 41.12 x 10.50 mm157.50 x 74.67 x 7.61 mm
Weight 31.50 g173.00 g
Display size 1.97" 6.39"
Display Color / LTPS AMOLED
60 Hz
390 x 450 px (1.97") 302 ppi		Color / AMOLED
16M colors
1080 x 2340 px (6.39") 403 ppi
Display protection
No
Buy screen protector icon_info
Corning Gorilla Glass
Buy screen protector icon_info
Additional display NoNo
Protection of the secondary display NoNo
Standard battery Li-Po 470 mAhBuy powerbank icon_infoLi-Po 3300 mAhBuy powerbank icon_info
Quick battery charging NoQuick Charge 4.0+
Wireless battery charging NoQi
Internal memory No data128 GB, 64 GB
RAM memory No data6 GB, 8 GB
Memory cards NoNo
Operating system HyperOSAndroid 9.0 Pie
Interface -MIUI 10
Processor -Qualcomm Snapdragon 855
Processor clock -2840 MHz
GPU -Adreno 640
Touchscreen YesYes
DualSIM NoYes
SIM cards standard No data DualSIM(nanoSIM, nanoSIM)
DualSIM mode nddual standby
Hybrid DualSIM ndNo
Announced 4Q 20231Q 2019
Other names M2314W1; Xiaomi Redmi Watch 4Mi9; M1902F1A; M1902F1T
GSM frequencies No850 900 1800 1900
UMTS No850 900 1700 1900 2100
LTE standard NoFDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 700
TDD LTE: 2600, 2500, 2300, 2100, 1900
Standard 5G NoNo data
CDMA No850
CDMA2000 1xEV-DO
Standard TD-SCDMA No1900 2000
UMA NoNo
A D V E R T I S E M E N T
CAMERAS - BACK

CAMERAS - BACK

First camera NoYes
Photo sensor model ndSony IMX586
Photo matrix nd48 Mpx
Resolution nd8000x6000 px
Optical zoom ndNo
Digital zoom nd10x
Flash nd2x LED
Dual-colour LED flash ndNo
Video resolution nd3840x2160 px
Video formats ndH.263, H.264, H.265, MPEG4 - 60 fps
Additional ndAF, Laser AF, EIS, f/1.75
Second camera NoYes
Photo sensor model ndSamsung S5K3M5
Photo matrix nd12 Mpx
Optical zoom ndNo
Flash nd2x LED
Dual-colour LED flash ndNo
Video formats ndH.263, H.264, H.265, MPEG4 - 60 fps
Additional ndAF, Laser AF, f/2.2
Third camera NoYes
Photo sensor model ndSony IMX481
Photo matrix nd16 Mpx
Optical zoom ndNo
Flash nd2x LED
Dual-colour LED flash ndNo
Video formats ndH.263, H.264, H.265, MPEG4 - 60 fps
Additional ndAF, Laser AF, f/2.2
CAMERAS - FRONT

CAMERAS - FRONT

First camera NoYes
Photo sensor model ndSony
Photo matrix nd20 Mpx
Optical zoom ndNo
Flash ndNo
Dual-colour LED flash ndNo
Video resolution nd1920x1080 px
Video formats ndH.263, H.264, H.265, MPEG4 - 60 fps
Additional ndf/2.0
SENSORS

SENSORS

Accelerometer YesYes
Proximity NoYes
Light YesYes
Magnetometer YesYes
Gyroscope YesYes
Barometer NoNo
Altimeter NoNo
Gravity YesYes
Hall-effect NoNo
Iris scanner NoNo
Fingerprint scanner NoYes
Thermometer NoNo
Hygrometer NoNo
Data transfer

Data transfer

xHTML NoYes
WAP NoYes
v2.0
HSCSD NoNo
HSDPA NoYes
42.00 Mbit/s
HSUPA NoYes
5.76 Mbit/s
HSPA NoYes
HSPA+ NoYes
LTE DL NoYes
LTE UP NoYes
WIMAX+ NoNo
GPRS NoYes
EDGE NoYes
Bluetooth Yes
v5.3		Yes
v5.0
A2DP Profile NoYes
HDMI NoNo
WiFi NoYes
v802.11 a/b/g/n/ac
WiFi frequencies No2,4 GHz; 5 GHz
WiFi Direct NoYes
WiFi Display NoYes
DLNA NoNo
Miracast NoYes
WiFi hotspot NoYes
IrDA NoYes
USB NoYes
v2.0 Type-C
GPS YesYes
A-GPS NoYes
GLONASS YesYes
Beidou YesYes
Galileo YesYes
QZSS YesNo data
NFC NoYes
COMMUNICATION AND MESSAGING

COMMUNICATION AND MESSAGING

Call waiting NoYes
Conferency NoYes
Call forwarding NoYes
Push To Talk NoNo
Instant Messenger NoYes
SMS NoYes
EMS NoNo
MMS NoYes
Dictionary NoYes
T9
Swype NoNo
e-mail client NoYes
POP3, IMAP4, SMTP
Hardware QWERTY keyboard NoNo
RSS Reader NoYes
Multimedia

Multimedia

Radio NoNo data
MP3 No dataYes
Stereo speakers NoNo
Audio Jack No dataNo
HD Voice NoYes
Sound formats No dataAAC, AAC+, AMR, APE, AWB, FLAC, WAV, WMA, eAAC+
Polyphony YesYes
Video ringtone NoNo
Ring composer NoNo
Games NoNo
Java NoYes
ART
Videophone NoNo
DVB-H television NoNo
TV-Out NoNo
PIM AND ADDITIONAL FUNCTIONS

PIM AND ADDITIONAL FUNCTIONS

Watch YesYes
Stopwatch YesYes
Alarm YesYes
Calculator YesYes
Currency converter NoNo
Organizer NoYes
Calendar YesYes
Flight mode YesYes
SyncML NoNo
Data and fax NoYes
Screensaver YesYes
Themes YesYes
Interchangeable covers NoNo
Voice dial NoYes
Speakerphone NoYes
Recorder YesYes
Vibrations YesYes
Redmi Watch 4
Total value: 8,50
Xiaomi Mi 9
Total value: 8,64
A D V E R T I S E M E N T