Xiaomi Mi A2 vs Xiaomi Redmi Note 9 5G

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA

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

HSDPA 850, 900, 1900, 2100

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

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China

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

-

5G band 1, 3, 41, 78, 79 SA/NSA/Sub6
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
HSPA speed

HSPA

-
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Front glass, aluminum body

Glass front (Gorilla Glass 5), plastic back
SIM

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

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

158.7 mm

162 mm
Width

75.4 mm

77.3 mm
Thickness

7.3 mm

9.2 mm
Weight

168 g

199 g
Colors

Black, Cherry Pink, Flame Red, Glacier Blue, Sand Gold

Gray, Green, Violet

Display
Display type

LTPS IPS LCD capacitive touchscreen

IPS LCD
Physical size

5.99 inches

6.53 inches
Resolution

1080 x 2160 pixels

1080 x 2340 pixels
Pixel density

403 ppi

395 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass 3

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
Multitouch

Yes

-
Display features

-

450 nits (typ)

Main camera
Camera type

Dual

Triple
Main camera

12 MP, f/1.8 , 1/2.9" , 1.25 µm, 2x optical zoom

48 MP, f/1.8 , 1/2.0" , 0.8 µm, (wide) , 26 mm
20 MP, f/1.8 , 1/2.8" , 1 µm

8 MP, f/2.2 , 1/4.0" , 1.12 µm, (ultrawide) , 118˚
(macro) , 2 MP, f/2.4
Primary camera resolution

4000 x 3000 pixels

8000 x 6000 pixels
Primary camera video

2160p@30fps, 1080p@30fps, 720p@120fps

4K@30fps, 1080p@30/60fps
Primary camera Autofocus

phase detection autofocus

-
Primary camera flash

LED flash

LED flash
Electronic image stabilization

EIS (gyro)

-
Camera features

Geo-tagging, HDR, face detection, panorama, touch focus

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

Selfie camera
Selfie camera type

-

Single
Selfie camera

20 MP, f/1.8 , 1/2.8" , 1.0 µm

13 MP, f/2.3 , 1/3.1" , 1.12 µm, 29 mm
Selfie camera resolution

5384 x 3752 pixels

4160 x 3120 pixels
Secondary camera HDR

Auto HDR

-
Selfie camera features

-

Face detection, face unlock, HDR
Selfie camera video

1080p@30fps

1080p@30fps

Connectivity
WLAN

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

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C 2.0
Bluetooth

v5.0

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

Yes

Yes
NFC

-

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
BDS

Yes

Yes
QZSS

-

Yes

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Email

Push Email

-
Sensors

Fingerprint (rear-mounted), accelerometer, compass, gyro, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity