Samsung Galaxy A21s vs Xiaomi Poco X8 Pro Specs Comparison

Availability

Officially announced
May 15, 2020	Mar 16, 2026
Prices (MSRP)
€240	8GB/256GB - €389 8GB/512GB 12GB/512GB

Design

Dimensions
6.44 x 2.96 x 0.35 inches 163.7 x 75.3 x 8.9 mm	6.20 x 2.96 x 0.33 inches (~0.42 inches with camera bump) 157.53 x 75.19 x 8.38 (~10.61 mm with camera bump)
Weight
6.77 oz / 192.0 g	7.09 oz / 201.0 g
Materials
	Back: Glass Frame: Aluminum
Resistance
	Water, Dust; IP68
Biometrics
2D Face unlock, Fingerprint (touch)	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, White, Blue, Red	Mint Green, White, Black

Display

Size
6.5-inch, 82.94% screen-to-body	6.6-inch, 89.85% screen-to-body
Type
TFT	AMOLED, 120Hz, HDR10+, 3500 nits
Resolution
1600x720px, 20:9 ratio, 270 PPI	2756x1268px, 460 PPI
Protection
	Corning Gorilla Glass 7i

PhoneArena Display Test

Bright Max (20% APL)
Untested	3459 (Excellent)
Bright Min
4.6 (Poor)	1.9 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Samsung Exynos 850	MediaTek Dimensity 8500 Ultra (4 nm)
Processor
Octa-core 8x2.0GHz Cortex-A55	Octa-core 1x 3.4 GHz–Cortex-A7253x 3.2 GHz–Cortex-A7254x 2.2 GHz–Cortex-A725
GPU
Mali-G76	Mali-G720 MC8
Memory
3GB (LPDDR4)/32GB (eMMC 5.1) 4GB/64GB 6GB/64GB	8GB (LPDDR5X)/256GB (UFS 4.1) 8GB/512GB 12GB/512GB
Storage expansion
microSDXC up to 512 GB
OS
Android (10)	Android (16)

PhoneArena Performance Test

GeekBench 6 Single
Untested	1536
GeekBench 6 Multi
Untested	6411
3D Mark High
Untested	4184
3D Mark Low
Untested	3015

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
5000 mAh, Li - Polymer	6500 mAh, Si - Carbon
Charging
Fast charging	Fast charging Reverse wired charging
Charge speed
	Wired: 100.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

11h 9min

Gaming

7h 48min

Battery Life Estimate

8h 1min

Browsing

18h 6min

Video

11h 17min

Gaming

12h 39min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Dual camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	50 MP Aperture size: F1.5 Sensor size: 1/1.95" Pixel size: 1.6 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
Fourth camera
2 MP (Depth information) Aperture size: F2.4
Flash
LED
Video recording
1080p (30 fps)	4K UHD (60 fps), 1080p (60 fps), 720p (30 fps) OIS, HDR
Front
13 MP Video capture: 1080p (30 fps)	Video capture: 1080p (60 fps)

Connectivity & Features

Bluetooth
5.0	6.0
WLAN
dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	Wi-Fi 6 MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g
USB
Type-C, USB 2.0	Type-C
Sensors
Accelerometer, Gyroscope, Proximity sensor	Accelerometer, Gyroscope, Altimeter, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
	M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Other
NFC

Multimedia

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

Cellular

5G Bands
	n1, n2, n3, n5, n7, n8, n20, n26, n28, n38, n40, n41, n48, n66, n70, n71, n77, n78
LTE Bands
1, 2, 3, 5, 7, 8, 20, 28	1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 66, 71
TDD Bands
38, 40, 41	38, 40, 41, 42, 48
3G Bands
1, 2, 5, 8	1, 2, 4, 5, 6, 8, 19
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A
Dual SIM
Yes
SIM type
Nano SIM	Dual Nano SIM
HD Voice
	Yes
VoLTE
	Yes

Alternative variants

with 4GB RAM

Memory	4GB/64GB

with 6GB RAM

Memory	6GB/64GB

Discover more

Full Specs Samsung Galaxy A21s Specs PA Review Samsung Galaxy A21s Review

Full Specs Xiaomi Poco X8 Pro Specs