Phone Comparison - Samsung Galaxy A21 vs Xiaomi Redmi Note 9

Samsung Galaxy A21
samsung galaxy a21
Xiaomi Redmi Note 9
xiaomi redmi note 9
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general General Info

Manufacturer Samsung Xiaomi
Announced 2020, April 8 2020, April 30
Status Coming soon. Exp. release 2020, April Coming soon. Exp. release 2020, May
Colors Various Forest Green, Midnight Grey, Polar White
Form Factor Candybar Candybar
Dimension - 162.3 x 77.2 x 8.9 mm
(6.39 x 3.04 x 0.35 in)
Weight - 199 g (7.02 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 only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE 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), 25(1900), 2628, 32(1500), 38(2600), 39(1900), 40(2300), 41(2500)
Messaging
Build Features - Fingerprint Sensor
Glass front, plastic back, plastic frame
- Fingerprint Sensor

hardware Hardware and OS

OS Android 10.0 Android 10.0
User Interface One UI 2.0 MIUI 11
Processor Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765 Helio P35 (12nm) [Similar] Octa-core (2x Cortex-A75 @ 2 GHz, 6x Cortex-A55 @ 2 GHz), MediaTek Helio G85 (12nm) [Similar]
GPU PowerVR GE8320 [Similar] Mali-G52 MC2 [Similar]
RAM 3 GB [Browse Similar] 4 GB [Browse Similar]
Internal Memory 64 GB 128 GB
External Memory microSDXC (dedicated slot) microSDXC (dedicated slot)

display Display

Type HD+ Super AMOLED Capacitive Touchscreen FHD+ IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors
Size 6.5 inches [Similar] 6.53 inches [Similar]
Resolution 720 x 1600 pixels (270 ppi) 1080 x 2340 pixels (395 ppi)
Screen-to-Body Ratio - 83.40%
Multi-Touch yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 16 MP + 8 MP + 2 MP + 2 MP [Similar] 48 MP + 8 MP + 2 MP + 2 MP [Similar]
Flash No LED flash
Features 16 MP, f/1.9, 28mm (wide), AF
8 MP, f/2.2, 12mm (ultrawide)
2 MP, (macro)
2 MP, (depth)
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
2 MP, f/2.4, (macro), AF
2 MP, f/2.4, (depth)
HDR, Panorama
Video 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]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth 5.0, A2DP, LE 5.0, 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
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go 2.0, Type-C 1.0 reversible connector
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes

memory User Memory

Internal 64 GB, 3 GB RAM eMMC 5.1 128 GB, 4 GB RAM or 64 GB, 3 GB RAM
Expandable Storage microSDXC (dedicated slot) 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 present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present
NFC NFC not supported NFC supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 18W
Capacity 4000 mAh 5020mAh
Stand by - -
Talk Time - -