Xiaomi Mi A3 vs Xiaomi Redmi K30S

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1700, 1900, 2100

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

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300)

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

-

5G band 1, 3, 41, 78, 79 SA/NSA
HSDPA speed

42 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE, Cat12, 603 Mbps download, 102 Mbps upload

LTE-A, Cat20
5G speed

-

2 Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
SIM

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

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

153.48 mm

165.1 mm
Width

71.85 mm

76.4 mm
Thickness

8.48 mm

9.3 mm
Weight

173 g

216 g
Colors

Black, Blue, White

Black, Silver

Display
Display type

Super AMOLED capacitive touchscreen

IPS LCD
Physical size

6.09 inches

6.67 inches
Resolution

720 x 1560 pixels

1080 x 2400 pixels
Pixel density

282 ppi

395 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Corning Gorilla Glass 5

Scratch resistant, Corning Gorilla Glass 5
Multitouch

Yes

-
Display features

HDR10, DC dimming

144Hz, HDR10, 500 nits (typ), 650 nits (peak), TrueColor DotDisplay, Sunlight display 3.0

Main camera
Camera type

Triple

Triple
Main camera

48 MP, f/1.79 , 1/2" , 0.8 µm

64 MP, f/1.9 , 1/1.73" , 0.8 µm, (wide) , 26 mm
8 MP, f/2.2 , 1.12 µm

13 MP, f/2.4 , 1.12 µm, (ultrawide) , 123˚
2 MP, f/2.4 , 1.75 µm

5 MP, f/2.4 , (macro)
Primary camera resolution

8000 x 6000 pixels

-
Primary camera video

2160p@30fps, 1080p@30/60/120fps

8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps; gyro-EIS
Primary camera flash

dual-LED flash

LED flash
Camera features

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

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

Selfie camera
Selfie camera type

-

Single
Selfie camera

32 MP, f/2.0 , 0.8 µm

20 MP, f/2.2 , 0.8 µm, (wide) , 26 mm, 1/3.4"
Selfie camera resolution

6528 x 4896 pixels

-
Selfie camera features

-

Face unlock, HDR
Selfie camera video

1080p@30fps

1080p@30fps, 720p@120fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

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
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth HID

Yes

-
bluetooth LE

Yes

Yes
Bluetooth EDR

Yes

-
Bluetooth AptX

aptX HD

-
Infrared

Yes

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

Yes

-
BDS

-

Yes
QZSS

-

Yes
NavIC

-

Yes

Features
Sensors

Accelerometer, compass, gyroscope, fingerprint, light, proximity, in-display fingerprint sensor

Accelerometer, compass, fingerprint, gyroscope, proximity