Phone Comparison - Samsung Galaxy A71 vs Xiaomi Redmi Note 9 Pro vs Samsung Galaxy S21 5G

general General Info

Manufacturer Samsung Xiaomi Samsung
Announced December 2019 2020, March 12 2021, January 14
Status Available. Released 2020, January Coming soon. Exp. release 2020, March 17 Coming soon. Exp. release 2021, January 29
Price Rs. 29,999 ($0.00) [Similarly Priced] Rs. 12,999 ($0.00) [Similarly Priced] Rs. 69,999 ($799.99) [Similarly Priced]
Colors Prism Crush White, Black, Pink, Blue Aurora Blue, Glacier White, Interstellar Black Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
Form Factor Candybar Candybar Candybar
Dimension 163.6 x 76.0 x 7.7 mm
(6.44 x 2.99 x 0.3 in)
165.8 x 76.7 x 8.8 mm
(6.53 x 3.02 x 0.35 in)
151.7 x 71.2 x 7.9 mm
(5.97 x 2.8 x 0.31 in)
Weight 179 g (6.31 oz) 209 g (7.37 oz) 169 g (5.96 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM and/or eSIM), Hybrid 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 (Dual SIM model only)
CDMA2000 1xEV-DO
3G Network HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network 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), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100) LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) LTE
5G Network - - SA/NSA/Sub6/mmWave
Messaging
Build Features - Fingerprint Sensor(In-display)
- Fingerprint Sensor (Side-mounted)
- Fingerprint Sensor (under display, ultrasonic)
Samsung Pay (Visa, MasterCard certified)
IP68 dust/water resistant (up to 1.5m for 30 mins)
Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+

hardware Hardware and OS

OS Android 10.0 Android 10.0 Android 11
User Interface One UI 2.0 MIUI 11 One UI 3.1
Processor Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), Qualcomm SM7125 Snapdragon 720G (8 nm) Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International / Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 - USA/China/Korea, Exynos 2100 - International / Qualcomm Snapdragon 888 - USA/China/Korea
GPU Adreno 618 Adreno 618 Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea
RAM 8 GB 6 GB 8 GB
Internal Memory 128 GB 128 GB 256 GB
External Memory microSD, up to 512 GB (dedicated slot) microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)

display Display

Type Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 5 FHD+ Dynamic AMOLED 2X Display
120Hz Refresh Rate
HDR10+
1300 nits (peak)
Corning Gorilla Glass Victus
Always-on display
Colors 16M colors 16M colors 16M Colour
Size 6.7 inches 6.67 inches 6.2 inches
Resolution 1080 x 2400 pixels (393 ppi) 1080 x 2340 pixels (386 ppi) 1080 x 2400 pixels (424 ppi)
Screen-to-Body Ratio 87.08% 86.05% 86.12%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes no
Radio FM radio FM radio, recording FM radio (Snapdragon model only; market/operator dependent)
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes

camera Camera

Rear Camera 64 MP + 12 MP + 5 MP + 5 MP 48 MP + 8 MP + 2 MP + 2 MP 12 MP + 64 MP + 12 MP
Flash LED Flash LED flash LED Flash
Features 64 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF
12 MP, f/2.2, 13mm (ultrawide)
5 MP, f/2.2, depth sensor
5 MP, f/2.4, macro camera
Panorama, HDR
48 MP, f/1.8, (wide), 1/1.43", 1.12µm, omnidirectional PDAF
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro), 1/5.0", 1.75µm
2 MP, f/2.4, (depth)
HDR, Panorama
12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS
64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom
12 MP, f/2.2, 13mm (ultrawide), 1.4µm, Super Steady video
Auto-HDR, Panorama
Video 2160p@30fps, 1080p@30/60/240fps, 1080p@960fps; gyro-EIS 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS 8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS
Front Camera 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]
16 MP, (wide)
HDR, Panorama
1080p@30fps [Similar]
10 MP, f/2.2, 26mm (wide), 1/3.2", 1.22µm, Dual Pixel PDAF, Dual video call, Auto-HDR, 4K@30/60fps, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, 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 5.0, 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 a/b/g/n/ac/6, 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 USB Type-C 3.2, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, BDS, GALILEO
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 8 GB RAM 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1
Expandable Storage microSD, up to 512 GB (dedicated slot) microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
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 present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
Barometer Sensor barometer sensor not present barometer sensor not present barometer sensor present
NFC NFC not supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 25W
Non-removable Li-Po Battery
Fast battery charging 18W
Non-removable Li-Po Battery
Fast battery charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Power bank/Reverse wireless charging 4.5W
Capacity 4000 mAh 5020 mAh 4000 mAh
Stand by - - -
Talk Time - - -