Phone Comparison - Xiaomi Mi A2 (Mi 6X) vs Samsung Galaxy S21 FE 5G vs Xiaomi 12X

general General Info

Manufacturer Xiaomi Samsung Xiaomi
Announced April 2018 2023, July 11 2021, December 28
Status Available - April 2018 Coming soon. Exp. release 2023, July Coming soon. Exp. release 2021, December 31
Price Rs. 16,900 ($250.00) [Similarly Priced] Rs. 49,999 ($0.00) [Similarly Priced] -
Colors Cherry Pink, Flame Red, Sand Gold, Glacier Blue, Black White, Graphite, Lavender, Olive Black, Blue, Pink
Form Factor Candybar Candybar Candybar
Dimension 158.7 x 75.4 x 7.3 mm
(6.25 x 2.97 x 0.29 in)
155.7 x 74.5 x 7.9 mm
(6.13 x 2.93 x 0.31 in)
152.7 x 69.9 x 8.2 mm
(6.01 x 2.75 x 0.32 in)
Weight 168 g (5.93 oz) 177 g (6.24 oz) 170 g (6 oz)
SIM Type Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Hybrid 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
CDMA 800 & TD-SCDMA - China
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1xEV-DO
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 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 LTE 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G Network - SA/NSA/Sub6 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Messaging SMS, MMS, Push Mail, EMail, IM
Build Features - Fingerprint Sensor
- Fingerprint Sensor (under display, optical)
IP68 dust/water resistant (up to 1.5m for 30 mins)
- Fingerprint Sensor (under display, optical)
Notification LED Yes - -

hardware Hardware and OS

OS Android 8.1 (Oreo); Android One Android 12 Android 12
User Interface - One UI 4 MIUI 13
Processor Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260), Qualcomm SDM660 Snapdragon 660 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, Qualcomm SM8350 Snapdragon 888 5G (5 nm)
Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585), Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
GPU Adreno 512 Adreno 660 Adreno 650
RAM 6 GB 8 GB 12 GB
Internal Memory 128 GB 256 GB 256 GB
External Memory microSD, up to 256 GB (uses SIM 2 slot) microSDXC (uses shared SIM slot) No

display Display

Type LTPS IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 FHD+ Dynamic AMOLED 2X Screen
120Hz Refresh Rate
HDR10+
Corning Gorilla Glass Victus
Always-on display
FHD+ OLED Screen
120Hz Refresh Rate
Dolby Vision, HDR10+
1100 nits (peak)
Corning Gorilla Glass Victus
Colors 16M colors 16M colors 1B Colors
Size 5.99 inches 6.4 inches 6.28 inches
Resolution 1080 x 2160 pixels (403 ppi) 1080 x 2400 pixels (411 ppi) 1080 x 2400 pixels (419 ppi)
Screen-to-Body Ratio 77.44% 85.34% 89.24%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera Dual 12 MP + 20 MP 12 MP + 8 MP + 12 MP 50 MP + 13 MP + 5 MP
Flash LED Flash LED Flash Dual-LED Dual-tone Flash
Features Phase Detection Autofocus, 1.25µm, f/1.8 aperture lens, 2x Optical Zoom, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS
8 MP, f/2.4, 76mm (telephoto), PDAF, 3x optical zoom
12 MP, f/2.2, 13mm, 123˚ (ultrawide)
Auto-HDR, Panorama
50 MP, f/1.9, 26mm (wide), 1/1.56", 1.0µm, PDAF, OIS
13 MP, f/2.4, 12mm, 123˚ (ultrawide), 1/3.06", 1.12µm
5 MP, 50mm (telephoto macro), AF
HDR, Panorama
Video 2160p@30fps, 1080p@30fps, 720p@120fps 4K@30/60fps, 1080p@30/60fps, gyro-EIS 8K@24fps (HDR10), 4K@30fps (HDR10+), 1080p@30/120/240/960fps, 720p@1920fps, gyro-EIS
Front Camera 20 MP (f/1.8, 1/2.8", 1.0µm), 1080p, Auto-HDR [Similar] 32 MP, f/2.2, 26mm (wide), 1/2.74", 0.8µm
HDR
4K@30/60fps, 1080p@30/60fps (gyro-EIS) [Similar]
32 MP, 26mm (wide), 0.7µm
HDR, panorama
1080p@30/60fps, 720p@120fps [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 (CA), 5G HSPA 42.2/5.76 Mbps, LTE-A, 5G
Bluetooth 5.0, A2DP, LE 5.2, A2DP, LE 5.2, A2DP, LE, aptX HD, aptX Adaptive
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/6, 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 Type-C 3.2, USB On-The-Go USB Type-C 2.0, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with dual-band A-GPS, GLONASS, GALILEO, BDS, QZSS, NavIC
Browser HTML5 Yes Yes

memory User Memory

Internal 128 GB, 6 GB RAM or 64 GB, 4/6 GB RAM 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM UFS 3.1 256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1
Expandable Storage microSD, up to 256 GB (uses SIM 2 slot) microSDXC (uses shared SIM slot) No
USB OTG Not Supported Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor not 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 supported NFC supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Po Battery
Fast charging 25W, 50% in 30 min (advertised)
Fast wireless charging 15W
Reverse wireless charging
USB Power Delivery 3.0
Non-removable Li-Po Battery
Fast battery Charging 67W, 100% in 39 min (advertised)
Power Delivery 3.0
Quick Charge 4+
Capacity 3010 mAh 4500 mAh 4500 mAh
Stand by - - -
Talk Time - - -