Oppo A2x vs Xiaomi Redmi Note 8 2021

Oppo A2x

Xiaomi Redmi Note 8 2021

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 3, 5, 8, 28, 34, 38, 39, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40
5G network

5G band 1, 5, 8, 28, 41, 77, 78 SA/NSA

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

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

LTE

LTE-A, Cat12, 301 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

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

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

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

163.8 mm

158.3 mm
Width

75.1 mm

75.3 mm
Thickness

8.1 mm

8.4 mm
Weight

185 g

190 g
Waterproof

IP54

-
Dust proof

IP54

-
Colors

Black, Gold, Purple

Black, Blue, White

Display
Display type

IPS LCD

IPS LCD
Physical size

6.56 inches

6.3 inches
Resolution

720 x 1612 pixels

1080 x 2340 pixels
Pixel density

269 ppi

409 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen

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

90Hz, 720 nits (peak)

500 nits (typ)

Main camera
Camera type

Dual

Quad
Main camera

(wide) , 13 MP, f/2.2

(wide) , 48 MP, f/1.8 , 26 mm, 1/2.0" , 0.8 µm
(depth) , 2 MP, f/2.4 , 89˚ , 1/5" , 1.75 µm

(ultrawide) , 8 MP, f/2.2 , 120˚ , 1/4.0" , 1.12 µm
(macro) , 2 MP, f/2.4
(depth) , 2 MP, f/2.4
Primary camera resolution

4130 x 3120 pixels

8000 x 6000 pixels
Primary camera video

1080p@30fps

1080p@30/120fps; gyro-EIS
Primary camera flash

LED flash

LED flash
Camera features

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

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

Single
Selfie camera

(wide) , 5 MP, f/2.2 , 77˚

(wide) , 13 MP, f/2.0 , 1/3.1" , 1.12 µm
Selfie camera resolution

2560 x 1944 pixels

4224 x 3136 pixels
Selfie camera features

Face unlock, face detection

Face unlock
Selfie camera video

1080p@30fps

1080p@30fps

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
WLAN WiFi Hotspot

-

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.3

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
Infrared

-

Yes
NFC

No

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-