Phone Comparison - Xiaomi Redmi Note 8 vs Samsung Galaxy A21s vs Samsung Galaxy A12

Price Comparison (India) - -

general General Info

Manufacturer Xiaomi Samsung Samsung
Announced August 2019 Expected Announcement - May 2020 2020, November 24
Status Coming Soon - October 2019 Rumored Coming Soon - January 2021
Price Rs. 9,999 ($0.00) [Similarly Priced] - Rs. 12,999 ($0.00) [Similarly Priced]
Colors Nebula Red, Neptune Blue, Space Black Black, White, Blue Black, White, Blue, Red
Form Factor Candybar Candybar Candybar
Dimension 158.3 x 75.3 × 8.35 mm
(6.23 x 2.96 × 0.33 in)
8.9 mm thickness
(0.35 in thickness)
164 x 75.8 x 8.9 mm
(6.46 x 2.98 x 0.35 in)
Weight 190 g (6.7 oz) 191 g (6.74 oz) 205 g (7.23 oz)
SIM Type Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 40(2300), 41(2500) LTE LTE (unspecified)
Messaging
Build Features - Fingerprint Sensor
- Fingerprint Sensor
- Fingerprint Sensor (side-mounted)

hardware Hardware and OS

OS Android 9.0 (Pie) Android 10.0 Android 10
User Interface MIUI 10 One UI 2.0 -
Processor Octa-core 2.0 GHz Kryo 260, Qualcomm SDM665 Snapdragon 665 (11 nm) Octa-core 2.0 GHz, Exynos 850 Octa-core (2.3 GHz, 1.8 GHz)
GPU Adreno 610 - -
RAM 6 GB 3 GB 4 GB
Internal Memory 128 GB 64 GB 128 GB
External Memory microSD, up to 256 GB microSDXC microSDXC

display Display

Type Full HD+ curved glass LCD Touchscreen, Corning Gorilla Glass 5 protection PLS TFT Capacitive Touchscreen HD+ TFT display
Colors 16M colors 16M colors 16M Colour
Size 6.39 inches 6.55 inches 6.5 inches
Resolution 1080 x 2340 pixels (403 ppi) 720 x 1600 pixels (268 ppi) 720 x 1560 pixels (264 ppi)
Screen-to-Body Ratio - - 83.64%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 48 MP + 8 MP + 2 MP + 2 MP 48 MP + 8 MP + 2 MP 48 MP + 5 MP + 2 MP + 2 MP
Flash Dual-LED Flash LED Flash LED flash
Features 48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF
8 MP, f/2.2, 13mm (ultrawide), 1/4", 1.12µm
2 MP, f/2.4, 1/5", 1.75µm (dedicated macro camera)
2 MP, f/2.4, 1/5", 1.75µm, depth sensor
HDR, Panorana
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/2.0, (wide), AF
5 MP, f/2.2, 115˚ (ultrawide)
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
panorama, HDR
Video 2160p@30fps, 1080p@30/60/120fps, (gyro-EIS) 1080p@30fps 1080p@30fps
Front Camera 13 MP
HDR
1080p@30fps [Similar]
13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm
HDR, Panorama
1080p@30fps [Similar]
8 MP, f/2.2
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat9 450/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE Yes
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Yes
USB 2.0, Type-C 1.0 reversible connector Yes USB Type-C 2.0
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 6 GB RAM or 64 GB, 4 GB RAM 64 GB, 3 GB RAM or 32 GB, 3 GB RAM 128 GB, 4 GB RAM or 64 GB, 4 GB RAM or 64 GB, 3 GB RAM or 32 GB, 3 GB RAM
Expandable Storage microSD, up to 256 GB microSDXC microSDXC
USB OTG Yes Supported Not Supported

Apps Sensors

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

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 18W (Quick Charge 4)
Non-removable Li-Po Battery
Battery Charging 10W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 4000 mAh 5000 mAh 5000 mAh
Stand by - - -
Talk Time - - -