Samsung Galaxy A21 vs Xiaomi Poco X3 Pro Specs Comparison

Availability

Officially announced
Apr 08, 2020	Mar 22, 2021
Prices (MSRP)
$250	€249

Design

Dimensions
6.61 x 3.02 x 0.32 inches 167.8 x 76.7 x 8.1 mm	6.51 x 3.02 x 0.37 inches 165.3 x 76.8 x 9.4 mm
Weight
6.81 oz / 193.0 g	7.58 oz / 215.0 g
Materials
Back: Plastic Frame: Plastic
Resistance
	Splash, Dust; IP53
Biometrics
Fingerprint (touch)	2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control, Lock/Unlock key
Colors
Black	Phantom black, Frost blue, Metal bronze

Display

Size
6.5-inch, 79.20% screen-to-body	6.7-inch, 84.68% screen-to-body
Type
IPS LCD, 60Hz	IPS LCD, 120Hz, HDR
Resolution
1600x720px, 20:9 ratio, 270 PPI	2400x1080px, 20:9 ratio, 395 PPI
Protection
	Corning Gorilla Glass 6

Hardware

System chip
Mediatek Helio P35 MT6765 (12 nm)	Snapdragon 860 SM8150-AC (7 nm)
Processor
Octa-core 4x2.3GHz Cortex-A53 4x1.8G​Hz Cortex-A53	Octa-core 2960 MHz Kryo 485
GPU
PowerVR GE8320	Adreno 640
Memory
3GB (LPDDR4)/32GB (eMMC 5.1)	6GB (LPDDR4)/128GB (UFS 3.1) 8GB/256GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 1024 GB
OS
Android (10)	Android (11)

Battery

Type
4000 mAh, Li - Polymer	5160 mAh
Charging
Fast charging
Charge speed
Wired: 15.0W	Wired: 33.0W

Camera

Rear
Quad camera	Quad camera
Main camera
16 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3.06" Pixel size: 1 μm	48 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2
Third camera
2 MP (Macro) Aperture size: F2.4	2 MP (Macro) Aperture size: F2.4
Fourth camera
2 MP (Depth information) Aperture size: F2.4	2 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
1080p (30 fps)	4K UHD (30 fps), 1080p (60 fps), 720p (30 fps)
Front
13 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 2.0	Type-C
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
M4/T3
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC	NFC, Infrared

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71	1, 2, 3, 4, 5, 7, 8, 20, 28
4G (TDD) Bands
38, 39, 40, 41	38, 40, 41
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
	Yes
SIM type
Nano SIM	Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Apr 17, 2020 FCC ID value: ZCASMA215U	Date approved: Feb 01, 2021 FCC ID value: 2AFZZJ20SG
Measured SAR
Head: 0.42 W/kg Body: 1.27 W/kg Simultaneous Transmission: 1.27 W/kg Wireless Router: 1.27 W/kg	Head: 0.81 W/kg Body: 0.67 W/kg Simultaneous Transmission: 1.57 W/kg Wireless Router: 0.78 W/kg

Alternative variants

for Verizon

4G (FDD) Bands	1, 2, 3, 5, 7, 8, 20, 28
4G (TDD) Bands	38, 40, 41
3G Bands	5, 8, 2, 1

with 256GB storage

Memory	8GB/256GB
Prices (MSRP)	€299

for Sprint

4G (FDD) Bands	2, 3, 4, 5, 7, 12, 13, 25, 26, 66, 71
4G (TDD) Bands	41

Discover more

Full Specs Samsung Galaxy A21 Specs

Full Specs Xiaomi Poco X3 Pro Specs