Samsung Galaxy A21s vs Poco X2 128gb

Key Specs

Battery
5000 mAh	4500 mAh
Display
6.5 inches (16.51 cm)	6.67 inches (16.94 cm)
Front Camera
13 MP	20 MP + 2 MP
Processor
Samsung Exynos 8 Octa 850	Qualcomm Snapdragon 730G
RAM
4 GB	6 GB
Rear Camera
48 MP + 8 MP + 2 MP + 2 MP	64 MP + 8 MP + 2 MP + 2 MP

Battery

Capacity
5000 mAh	4500 mAh
Quick Charging
Yes, Fast, 15W	Yes, Fast, 27W
Removable
No	No
TalkTime
Up to 54 Hours(4G)	-
Type
Li-ion	Li-Polymer
USB Type-C
Yes	Yes

Design

Build Material
Back: Plastic	Back: Gorilla Glass
Colours
Black, Blue, White	Atlantis Blue, Matrix Purple, Phoenix Red
Height
163.7 mm	165.3 mm
Thickness
8.9 mm	8.7 mm
Waterproof
-	Yes, Splash proof
Weight
192 grams	208 grams
Width
75.3 mm	76.6 mm

Display

Aspect Ratio
20:9	20:9
Bezel-less display
Yes with punch-hole display	Yes with punch-hole display
Brightness
-	500 nits
Display Type
PLS TFT LCD	IPS LCD
HDR 10 / HDR+ support
-	Yes, HDR 10+
Pixel Density
270 ppi	395 ppi
Refresh Rate
60 Hz	120 Hz
Resolution
720x1600 px (HD+)	1080x2400 px (FHD+)
Screen Protection
-	Corning Gorilla Glass v5
Screen Size
6.5 inches (16.51 cm)	6.67 inches (16.94 cm)
Screen to Body Ratio (calculated)
82.75 %	84.83 %
Screen to Body Ratio (claimed by the brand)
-	91 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
No	-
Camera Setup
Single	Dual
Flash
No	-
Resolution
13 MP f/2.2, Primary Camera(3.1" sensor size, 1.12µm pixel size)	20 MP f/2.2, Primary Camera(0.8µm pixel size)2 MP f/2.4 Camera(1.75µm pixel size)
Video Recording
-	1920x1080 @ 30 fps 1280x720 @ 30 fps

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General

Brand
Samsung	POCO
Custom UI
Samsung One UI	MIUI
Launch Date
June 17, 2020 (Official)	February 11, 2020 (Official)
Operating System
Android v10 (Q)	Android v10 (Q)

Main Camera

Autofocus
Yes, Phase Detection autofocus	Yes, Phase Detection autofocus
Camera Features
8 x Digital Zoom Auto Flash Face detection Touch to focus	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Quad	Quad
Flash
Yes, LED Flash	Yes, LED Flash
Image Resolution
8000 x 6000 Pixels	9000 x 7000 Pixels
OIS
No	No
Resolution
48 MP f/2.0, Wide Angle, Primary Camera(26 mm focal length, 2" sensor size, 0.8µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(4.0" sensor size, 1.12µm pixel size)2 MP f/2.4, Macro Camera 2 MP f/2.4, Depth Camera	64 MP f/1.89, Primary Camera(1.7" sensor size, 0.8µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(1.12µm pixel size)2 MP f/2.4, Macro Camera(1.75µm pixel size)2 MP f/2.4, Depth Camera(1.75µm pixel size)
Sensor
-	IMX686, Exmor-RS CMOS Sensor
Settings
Exposure compensation, ISO control	Exposure compensation, ISO control
Shooting Modes
Continuous Shooting High Dynamic Range mode (HDR)	Continuous Shooting High Dynamic Range mode (HDR) Burst mode
Video Recording
1920x1080 @ 30 fps	3840x2160 @ 30 fps 1920x1080 @ 60 fps

Multimedia

Audio Jack
3.5 mm	3.5 mm
FM Radio
-	Yes
Loudspeaker
Yes	Yes

Network & Connectivity

Bluetooth
Yes, v5.0	Yes, v5.0
GPS
Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
NFC
No	No
Network Support
5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
Head: 0.831 W/kg	Head: 1.080 W/kg, Body: 0.620 W/kg
SIM 1
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM1: Nano, SIM2: Nano	SIM1: Nano, SIM2: Nano (Hybrid)
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM, Dual VoLTE
USB Connectivity
Mass storage device, USB charging	Mass storage device, USB charging
VoLTE
Yes	Yes
Wi-Fi
Yes, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz	Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
Wi-Fi Calling
-	Yes
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot	Mobile Hotspot

Performance

Architecture
64 bit	64 bit
CPU
Octa core (2 GHz, Quad core, Cortex A55 + 2 GHz, Quad core, Cortex A55)	Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Chipset
Samsung Exynos 8 Octa 850	Qualcomm Snapdragon 730G
Fabrication
8 nm	8 nm
Graphics
Mali-G52 MP1	Adreno 618
RAM type
LPDDR4X	LPDDR4X

Sensors

Fingerprint Sensor
Yes	Yes
Fingerprint Sensor Position
Rear	Side
Other Sensors
Light sensor, Proximity sensor, Accelerometer, Gyroscope	Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Storage

Expandable Memory
Yes, Up to 512 GB	Yes, Up to 512 GB
Internal Memory
64 GB	128 GB
Storage Type
eMMC 5.1	UFS 2.1
USB OTG
Yes	Yes
User Available Storage
Up to 48.1 GB	-