Phone Comparison - Samsung Galaxy A21s vs Xiaomi Redmi Note 9 4G

Samsung Galaxy A21s
samsung galaxy a21s
Xiaomi Redmi Note 9 4G
xiaomi redmi note 9 4g
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general General Info

Manufacturer Samsung Xiaomi
Announced Expected Announcement - May 2020 November 2020
Status Rumored Coming Soon - December 2020
Colors Black, White, Blue Gray, Green, Blue, Orange
Form Factor Candybar Candybar
Dimension 8.9 mm thickness
(0.35 in thickness)
162.3 x 77.3 x 9.6 mm
(6.39 x 3.04 x 0.38 in)
Weight 191 g (6.74 oz) 198 g (6.98 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G Network LTE 1, 3, 5, 8, 34, 38, 39, 40, 41
Messaging
Build Features - Fingerprint Sensor
- Fingerprint Sensor

hardware Hardware and OS

OS Android 10.0 Android 10
User Interface One UI 2.0 MIUI 12
Processor Octa-core 2.0 GHz, Exynos 850 [Similar] Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) [Similar]
GPU - Adreno 610 [Similar]
RAM 3 GB [Browse Similar] 8 GB [Browse Similar]
Internal Memory 64 GB 256 GB
External Memory microSDXC microSDXC (dedicated slot)

display Display

Type PLS TFT Capacitive Touchscreen IPS LCD Screen
Corning Gorilla Glass 3
400 nits (typ)
Colors 16M colors 16M Colour
Size 6.55 inches [Similar] 6.53 inches [Similar]
Resolution 720 x 1600 pixels (268 ppi) 1080 x 2340 pixels (395 ppi)
Screen-to-Body Ratio - 83.29%
Multi-Touch yes yes

multimedia Multimedia

3.5mm Jack yes yes
Radio - FM radio
Games Yes + Downloadable Yes + Downloadable
Loud Speaker yes

camera Camera

Rear Camera 48 MP + 8 MP + 2 MP [Similar] 48 MP + 8 MP + 2 MP [Similar]
Flash LED Flash LED Flash
Features 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.4, (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
Panorama, HDR
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (depth)
HDR, Panorama
Video 1080p@30fps 1080p@30fps
Front Camera 13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm
HDR, Panorama
1080p@30fps [Similar]
8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth 5.0, A2DP, LE 4.2, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB Yes USB Type-C 2.0, USB On-The-Go
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes

memory User Memory

Internal 64 GB, 3 GB RAM or 32 GB, 3 GB RAM 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM
Expandable Storage microSDXC microSDXC (dedicated slot)
USB OTG Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor not present magnetic field sensor present
Gyroscope Sensor gyroscope sensor not present gyroscope sensor not present
NFC NFC supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery
Battery Charging 10W
Non-removable Li-Po Battery
Fast battery charging 18W
Reverse charging 2.5W
Capacity 5000 mAh 6000 mAh
Stand by - -
Talk Time - -