Phone Comparison - Samsung Galaxy A51 vs Samsung Galaxy M31s vs Xiaomi Poco X3 NFC

Price Comparison (India) - -

general General Info

Manufacturer Samsung Samsung Xiaomi
Announced December 2019 Not announced yet 2020, September 07
Status Coming Soon - December 12, 2019 Rumored Coming soon. Exp. release 2020, September 08
Price Rs. 23,999 ($0.00) [Similarly Priced] - -
Colors Prism Crush White, Black, Pink, Blue Ocean Blue, Space Black, Red Gray, Blue
Form Factor Candybar Candybar Candybar
Dimension 158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
- 165.3 x 76.8 x 9.4 mm
(6.51 x 3.02 x 0.37 in)
Weight 172 g (6.07 oz) - 215 g (7.58 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by) 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
3G Network HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE (unspecified) LTE 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)
Messaging
Build Features - Fingerprint Sensor(In-display)
- Fingerprint Sensor
- Fingerprint Sensor (side-mounted)
Water-repellent coating

hardware Hardware and OS

OS Android 9.0 (Pie) Android 10 Android 10
User Interface One UI One UI 2.0 MIUI 12
Processor Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) Octa-core (2x2.3 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SM7150-AC Snapdragon 732G (8 nm)
GPU Mali-G72 MP3 Mali-G72 MP3 Adreno 618
RAM 8 GB 8 GB 6 GB
Internal Memory 128 GB 128 GB 128 GB
External Memory microSD, up to 512 GB (dedicated slot) No microSDXC (uses shared SIM slot)

display Display

Type Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen Super AMOLED Capacitive Touchscreen IPS LCD capacitive touchscreen
Corning Gorilla Glass 5
HDR10
120Hz refresh rate
450 nits typ. brightness (advertised)
Colors 16M colors 16M colors 16M Colour
Size 6.5 inches 6.5 inches 6.67 inches
Resolution 1080 x 2340 pixels (396 ppi) 1080 x 2400 pixels (405 ppi) 1080 x 2400 pixels (395 ppi)
Screen-to-Body Ratio 89.06% - 84.43%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 48 MP + 12 MP + 5 MP + 5 MP 64 MP + 12 MP + 5 MP + 5 MP 64 MP + 13 MP + 2 MP + 2 MP
Flash LED Flash LED Flash Dual-LED flash
Features 48 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
64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
12 MP, f/2.2, (ultrawide)
5 MP, f/2.4, (macro)
5 MP, f/2.4, (depth)
Panorama, HDR
64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
13 MP, f/2.2, 119˚ (ultrawide), 1.0µm
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
HDR, panorama
Video 2160p@30fps, 1080p@30fps 4K@30fps, 1080p@30fps, gyro-EIS 1080p@30fps
Front Camera 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
HDR
1080p@30fps [Similar]
20 MP, f/2.2, 27mm (wide), 1/3.4", 0.8µm
HDR
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
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, 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 2.0, Type-C 1.0 reversible connector, 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
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM (UFS 2.1) 128 GB, 6 GB RAM or 64 GB, 6 GB RAM UFS 2.1
Expandable Storage microSD, up to 512 GB (dedicated slot) No 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
NFC NFC not supported 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 25W
Non-removable Li-Po Battery
Fast battery charging 33W, 62% in 30 min, 100% in 65 min (advertised)
Capacity 4000 mAh 6000 mAh 5160 mAh
Stand by - - -
Talk Time - - -