Samsung Galaxy A21 vs Xiaomi 12S Ultra

Samsung Galaxy A21

Xiaomi 12S Ultra

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800, 1900

GSM 850, 900, 1800, 1900;CDMA 800
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100 - USA; CDMA2000 1xEV-DO

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 - USA

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G network

-

5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE, Cat4, 151 Mbps download, 51 Mbps upload

LTE-A
GPRS

Yes

Class 33
EDGE

Yes

Class 33

Design
Build

Glass front, plastic back, plastic frame

Glass front (Gorilla Glass Victus), eco leather back, aluminum frame
SIM

Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)
Height

167.8 mm

163.2 mm
Width

76.7 mm

75 mm
Thickness

8.1 mm

9.1 mm
Weight

193 g

225 g
Colors

Black

Black, Green

Display
Display type

IPS LCD capacitive touchscreen

LTPO2 AMOLED
Physical size

6.5 inches

6.73 inches
Resolution

720 x 1600 pixels

1440 x 3200 pixels
Pixel density

270 ppi

522 ppi
Display colors

16777216

1073741824
Protection

-

Scratch resistant, Corning Gorilla Glass Victus
Display features

-

120Hz, Dolby Vision, HDR10+, 1000 nits (HBM), 1500 nits (peak)

Main camera
Camera type

Quad

Quad
Main camera

16 MP, f/1.8 , 1/3.06" , 1.0 µm

50 MP, f/1.9 , 1.0" , 1.6 µm, (wide) , 23 mm
8 MP, f/2.2 , 1/4.0" , 1.12 µm

48 MP, f/4.1 , 1/2.0" , 0.8 µm, (periscope telephoto) , 120 mm
2 MP, f/2.4

48 MP, f/2.2 , 128˚ , (ultrawide) , 13 mm, 1/2.0" , 0.8 µm
2 MP, f/2.4
Primary camera resolution

4608 x 3456 pixels

-
Primary camera video

1080p@30fps

8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, 720p@3840fps, gyro-EIS, Dolby Vision HDR 10-bit rec. (4K, 1080p)
Primary camera optics

-

Leica lens
Primary camera flash

LED flash

dual-LED flash
Camera features

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode

Autofocus, continuous autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, face unlock, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, super night mode 2.0, HDR10 video recording

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
WLAN DLNA

-

Yes
USB

Type-C 1.0 reversible connector

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD, aptX Adaptive
Infrared

-

Yes
NFC

Yes (market dependent)

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

Yes

-
BDS

-

Yes
QZSS

-

Yes
NavIC

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, barometer, color spectrum, compass, fingerprint, gyroscope, virtual proximity sensing