Phone Comparison - Samsung Galaxy A21s vs Xiaomi Redmi 9T vs Xiaomi Redmi Note 10 5G

general General Info

Manufacturer Samsung Xiaomi Xiaomi
Announced Expected Announcement - May 2020 January 2021 March 2021
Status Rumored Coming Soon - January 2021 Coming Soon - April 2021
Colors Black, White, Blue Carbon Gray, Twilight Blue, Sunrise Orange, Ocean Green Chrome Silver, Graphite Gray, Nighttime Blue, Aurora Green
Form Factor Candybar 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)
161.8 x 75.3 x 8.9 mm
(6.37 x 2.96 x 0.35 in)
Weight 191 g (6.74 oz) 198 g (6.98 oz) 190 g (6.7 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) 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 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 40, 41, 66
5G Network - - 1, 3, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA
Messaging
Build Features - Fingerprint Sensor
- Fingerprint Sensor
Water-repellent coating
- Fingerprint Sensor (side-mounted)

hardware Hardware and OS

OS Android 10.0 Android 10 Android 11
User Interface One UI 2.0 MIUI 12 MIUI 12
Processor Octa-core 2.0 GHz, Exynos 850 Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) Octa-core (4x2.2 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55), MediaTek MT6833 Dimensity 700 5G (7 nm)
GPU - Adreno 610 Mali-G57 MC2
RAM 3 GB 6 GB 6 GB
Internal Memory 64 GB 128 GB 128 GB
External Memory microSDXC microSDXC (dedicated slot) microSDXC (dedicated slot)

display Display

Type PLS TFT Capacitive Touchscreen IPS LCD Screen
400 nits (typ)
Corning Gorilla Glass 3
FHD+ IPS LCD Screen
90Hz Refresh Rate
400 nits (typ)
Corning Gorilla Glass 3
Colors 16M colors 16M Colour 16M Colour
Size 6.55 inches 6.53 inches 6.5 inches
Resolution 720 x 1600 pixels (268 ppi) 1080 x 2340 pixels (395 ppi) 1080 x 2400 pixels (405 ppi)
Screen-to-Body Ratio - 83.29% 83.68%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 48 MP + 8 MP + 2 MP 48 MP + 8 MP + 2 MP + 2 MP 48 MP + 2 MP + 2 MP
Flash LED Flash LED Flash Dual-LED Dual-tone 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, (macro)
2 MP, f/2.4, (depth)
HDR, panorama
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
HDR, Panorama
Video 1080p@30fps 1080p@30fps 4K@30fps, 1080p@30/60/120fps
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]
8 MP, f/2.0, (wide)
Panorama
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 HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE 5.1, A2DP, LE
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 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 USB Type-C 2.0
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 64 GB, 3 GB RAM or 32 GB, 3 GB RAM 128 GB, 6 GB RAM or 128 GB (UFS 2.2), 4 GB RAM or 64 GB (UFS 2.1), 4 GB RAM 128 GB, 6 GB RAM or 128 GB, 4 GB RAM or 64 GB, 4 GB RAM UFS 2.2
Expandable Storage microSDXC microSDXC (dedicated slot) microSDXC (dedicated slot)
USB OTG Supported Supported Not Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor not present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor not present gyroscope sensor not present gyroscope sensor present
NFC NFC supported 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
Non-removable Li-Po Battery
Fast battery charging 18W
Capacity 5000 mAh 6000 mAh 5000 mAh
Stand by - - -
Talk Time - - -