Xiaomi Mi A3 vs Xiaomi Redmi 9 Prime

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700, 1900, 2100

HSDPA 850, 900, 1900, 2100
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, 3, 5, 8, 40, 41
HSDPA speed

42 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE, Cat12, 603 Mbps download, 102 Mbps upload

LTE, Cat12, 603 Mbps download, 102 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM

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

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

153.48 mm

163.3 mm
Width

71.85 mm

77 mm
Thickness

8.48 mm

9.1 mm
Weight

173 g

198 g
Colors

Black, Blue, White

Black, Blue, Green, Sunrise

Display
Display type

Super AMOLED capacitive touchscreen

IPS LCD capacitive touchscreen
Physical size

6.09 inches

6.53 inches
Resolution

720 x 1560 pixels

1080 x 2340 pixels
Pixel density

282 ppi

395 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Corning Gorilla Glass 5

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3
Multitouch

Yes

-
Display features

HDR10, DC dimming

400 nits typ. brightness

Main camera
Camera type

Triple

Quad
Main camera

48 MP, f/1.79 , 1/2" , 0.8 µm

13 MP, f/2.2 , 1/3.1" , 1.12 µm, 28 mm
8 MP, f/2.2 , 1.12 µm

8 MP, f/2.2 , 1/4.0"
2 MP, f/2.4 , 1.75 µm

5 MP, f/2.4
2 MP, f/2.4
Primary camera resolution

8000 x 6000 pixels

4160 x 3120 pixels
Primary camera video

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

1080p@30fps
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, digital zoom, digital 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

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, 802.11ac
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 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth HID

Yes

-
bluetooth LE

Yes

Yes
Bluetooth EDR

Yes

-
Bluetooth AptX

aptX HD

-
Infrared

Yes

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
Beidou

Yes

Yes

Features
Sensors

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

Accelerometer, compass, fingerprint, proximity