Phone Comparison - Xiaomi Mi A2 (Mi 6X) vs Xiaomi Redmi Note 7 vs Samsung Galaxy A51

Price Comparison (India) -

general General Info

Manufacturer Xiaomi Xiaomi Samsung
Announced April 2018 January 2019 December 2019
Status Available - April 2018 Available - January 2019 Coming Soon - December 12, 2019
Price Rs. 16,900 ($250.00) [Similarly Priced] Rs. 9,999 ($0.00) [Similarly Priced] Rs. 23,999 ($0.00) [Similarly Priced]
Colors Cherry Pink, Flame Red, Sand Gold, Glacier Blue, Black Blue, Black, Twilight Gold Prism Crush White, Black, Pink, Blue
Form Factor Candybar Candybar Candybar
Dimension 158.7 x 75.4 x 7.3 mm
(6.25 x 2.97 x 0.29 in)
159.2 x 75.2 x 8.1 mm
(6.27 x 2.96 x 0.32 in)
158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
Weight 168 g (5.93 oz) 186 g (6.56 oz) 172 g (6.07 oz)
SIM Type Hybrid Dual SIM (Nano-SIM, dual stand-by) Hybrid 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 - China
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 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) LTE (unspecified)
Messaging SMS, MMS, Push Mail, EMail, IM
Build Features - Fingerprint Sensor
- Fingerprint Sensor
- Fingerprint Sensor(In-display)
Notification LED Yes - -

hardware Hardware and OS

OS Android 8.1 (Oreo); Android One Android 9.0 (Pie) Android 9.0 (Pie)
User Interface - MIUI 10 One UI
Processor Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260), Qualcomm SDM660 Snapdragon 660 Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260), Qualcomm SDM660 Snapdragon 660 (14 nm) Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm)
GPU Adreno 512 Adreno 512 Mali-G72 MP3
RAM 6 GB 4/6 GB 8 GB
Internal Memory 128 GB 64 GB 128 GB
External Memory microSD, up to 256 GB (uses SIM 2 slot) microSD, up to 256 GB (uses SIM 2 slot) microSD, up to 512 GB (dedicated slot)

display Display

Type LTPS IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 5 Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.99 inches 6.3 inches 6.5 inches
Resolution 1080 x 2160 pixels (403 ppi) 1080 x 2340 (409 ppi) 1080 x 2340 pixels (396 ppi)
Screen-to-Body Ratio 77.44% 81.41% 89.06%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack no yes yes
Radio FM radio FM radio, recording FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera Dual 12 MP + 20 MP 48 MP + 5 MP 48 MP + 12 MP + 5 MP + 5 MP
Flash LED Flash Dual-LED flash LED Flash
Features Phase Detection Autofocus, 1.25µm, f/1.8 aperture lens, 2x Optical Zoom, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama 48 MP, f/1.8, 1/2", 0.8µm, PDAF
5 MP, f/2.4, depth sensor
HDR, Panorama
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
Video 2160p@30fps, 1080p@30fps, 720p@120fps 1080p@30/60/120fps, (gyro-EIS) 2160p@30fps, 1080p@30fps
Front Camera 20 MP (f/1.8, 1/2.8", 1.0µm), 1080p, Auto-HDR [Similar] 13 MP, f/2.2, 1.25µm, HDR, 1080p@30fps [Similar] 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat12 600/150 Mbps HSPA, 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, WiFi 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 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, BDS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser HTML5 Yes Yes

memory User Memory

Internal 128 GB, 6 GB RAM or 64 GB, 4/6 GB RAM 64 GB, 4/6 GB RAM or 32 GB, 3 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM
Expandable Storage microSD, up to 256 GB (uses SIM 2 slot) microSD, up to 256 GB (uses SIM 2 slot) microSD, up to 512 GB (dedicated slot)
USB OTG Not Supported Yes 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 not supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Po Battery Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 3010 mAh 4000 mAh 4000 mAh
Stand by - - -
Talk Time - - -