Phone Comparison - Xiaomi Mi A3 vs Xiaomi Redmi Note 9 vs Samsung Galaxy A21s

Price Comparison (India) - -

general General Info

Manufacturer Xiaomi Xiaomi Samsung
Announced July 2019 2020, April 30 Expected Announcement - May 2020
Status Coming Soon - July 2019 Coming soon. Exp. release 2020, May Rumored
Price Rs. 12,999 ($0.00) [Similarly Priced] - -
Colors Black, Blue, White Forest Green, Midnight Grey, Polar White Black, White, Blue
Form Factor Candybar Candybar Candybar
Dimension 153.5 x 71.9 x 8.5 mm
(6.04 x 2.83 x 0.33 in)
162.3 x 77.2 x 8.9 mm
(6.39 x 3.04 x 0.35 in)
8.9 mm thickness
(0.35 in thickness)
Weight 173.8 g (6.1.0.28 oz) 199 g (7.02 oz) 191 g (6.74 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) 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
CDMA 800 & TD-SCDMA
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) 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) LTE
Messaging
Build Features - Fingerprint Sensor (In-display)
- Fingerprint Sensor
- Fingerprint Sensor

hardware Hardware and OS

OS Android 9.0 (Pie) Android 10.0 Android 10.0
User Interface Android One MIUI 11 One UI 2.0
Processor Octa-core 2.0 GHz Kryo 260, Qualcomm SDM665 Snapdragon 665 (11 nm) Octa-core (2x Cortex-A75 @ 2 GHz, 6x Cortex-A55 @ 2 GHz), MediaTek Helio G85 (12nm) Octa-core 2.0 GHz, Exynos 850
GPU Adreno 610 Mali-G52 MC2 -
RAM 6 GB 4 GB 3 GB
Internal Memory 128 GB 128 GB 64 GB
External Memory microSD, up to 256 GB (uses shared SIM slot) microSDXC (dedicated slot) microSDXC

display Display

Type Super AMOLED Capacitive Touchscreen
Corning Gorilla Glass 5
FHD+ IPS LCD Capacitive Touchscreen PLS TFT Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 6.08 inches 6.53 inches 6.55 inches
Resolution 720 x 1560 pixels (283 ppi) 1080 x 2340 pixels (395 ppi) 720 x 1600 pixels (268 ppi)
Screen-to-Body Ratio 81.98% 83.40% -
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 48 MP + 8 MP + 2 MP 48 MP + 8 MP + 2 MP + 2 MP 48 MP + 8 MP + 2 MP
Flash LED Flash LED flash LED Flash
Features 48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF
8 MP, (ultrawide), f/2.2, 1.12µm
2 MP, f/2.4, depth sensor
HDR, Panorama
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
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
Video 2160p@30fps, 1080p@30/60/120fps 1080p@30fps 1080p@30fps
Front Camera 32 MP, f/2.0, 0.8µm, HDR, 1080p@30fps [Similar] 13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm
HDR, Panorama
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-A (2CA) 450/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth 5.0, A2DP, LE, aptX HD 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, Wi-Fi Direct, hotspot
USB 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector Yes
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 6 GB RAM or 64 GB, 4 GB RAM 128 GB, 4 GB RAM or 64 GB, 3 GB RAM 64 GB, 3 GB RAM or 32 GB, 3 GB RAM
Expandable Storage microSD, up to 256 GB (uses shared SIM slot) microSDXC (dedicated slot) microSDXC
USB OTG Supported Supported 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 present magnetic field sensor present magnetic field sensor not present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor not present
NFC NFC not supported NFC supported NFC supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 18W
Non-removable Li-Po Battery
Fast battery charging 18W
Non-removable Li-Po Battery
Battery Charging 10W
Capacity 4030 mAh 5020mAh 5000 mAh
Stand by - - -
Talk Time - - -