Samsung Galaxy A71 vs Xiaomi Redmi Note 9S vs Xiaomi Mi Watch Revolve

General Info

Manufacturer
Samsung	Xiaomi	Xiaomi
Announced
December 2019	March 2020	Expected Announcement - June 2020
Status
Available. Released 2020, January	Coming Soon - April 2020	Rumored
Price
Rs. 29,999 ($0.00) [Similarly Priced]	-	-
Colors
Prism Crush White, Black, Pink, Blue	Aurora Blue, Glacier White, Interstellar Gray	Black, Silver
Form Factor
Candybar	Candybar	Candybar
Dimension
163.6 x 76.0 x 7.7 mm (6.44 x 2.99 x 0.3 in)	165.8 x 76.7 x 8.8 mm (6.53 x 3.02 x 0.35 in)	53.3 x 46.2 x 11.4 mm (2.1 x 1.82 x 0.45 in)
Weight
179 g (6.31 oz)	209 g (7.37 oz)	-
SIM Type
Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)	No
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	N/A
3G Network
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	N/A
4G Network
LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)	LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300)	N/A
Messaging

Build Features
- Fingerprint Sensor(In-display)	- Fingerprint Sensor (side-mounted) Splash-proof	Waterproof (5ATM)

OS
Android 10.0	Android 10.0	Proprietary wearable platform
User Interface
One UI 2.0	MIUI 11	-
Processor
Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm)	Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), Qualcomm SM7125 Snapdragon 720G (8 nm)	-,
GPU
Adreno 618	Adreno 618	-
RAM
8 GB	6 GB	N/A
Internal Memory
128 GB	128 GB	-
External Memory
microSD, up to 512 GB (dedicated slot)	microSDXC (dedicated slot)	No

Type
Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen	FHD+ IPS LCD Capacitive Touchscreen Corning Gorilla Glass 5 450 nits typ. brightness (advertised)	AMOLED Capacitive Touchscreen
Colors
16M colors	16M colors	16M colors
Size
6.7 inches	6.67 inches	1.39 inches
Resolution
1080 x 2400 pixels (393 ppi)	1080 x 2400 pixels (395 ppi)	454 x 454 pixels (462 ppi)
Screen-to-Body Ratio
87.08%	84.28%	25.30%
Multi-Touch

Rear Camera
64 MP + 12 MP + 5 MP + 5 MP	48 MP + 8 MP + 5 MP + 2 MP
Flash
LED Flash	LED flash	No
Features
64 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF 12 MP, f/2.2, 13mm (ultrawide) 5 MP, f/2.2, depth sensor 5 MP, f/2.4, macro camera Panorama, HDR	48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro), 1.12µm 2 MP, f/2.4, (depth) HDR, Panorama
Video
2160p@30fps, 1080p@30/60/240fps, 1080p@960fps; gyro-EIS	2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS
Front Camera
32 MP, f/2.0, 25mm (wide) HDR 1080p@30fps	16 MP Punch-Hole, f/2.5, 26mm (wide), 1/3.1", 1.0µm HDR 1080p@30fps	, ,

GPRS
Yes	Yes	No
Edge
Yes	Yes	No
3G
HSPA, LTE-A	HSPA 42.2/5.76 Mbps, LTE-A	No
Bluetooth
5.0, A2DP, LE	5.0, A2DP, LE	5.0, A2DP, LE
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot	Wi-Fi 802.11 b/g/n
USB
2.0, Type-C 1.0 reversible connector, USB On-The-Go	2.0, Type-C 1.0 reversible connector	No
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS	Yes, with A-GPS, GLONASS, GALILEO, BDS	Yes, with GLONASS
Browser
Yes	Yes

Internal
128 GB, 8 GB RAM	128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1)	-
Expandable Storage
microSD, up to 512 GB (dedicated slot)	microSDXC (dedicated slot)	No
USB OTG
Supported	Supported	Not Supported

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

Barometer Sensor

Heart-rate Sensor

NFC

Type
Non-removable Li-Po Battery Fast battery charging 25W	Non-removable Li-Po Battery Fast battery charging 18W	Non-removable Li-Ion Battery
Capacity
4000 mAh	5020 mAh	420 mAh
Stand by
-	-	Up to 336 h
Talk Time
-	-	-