Oppo Find N2 vs Xiaomi Redmi Note 9

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900
3G network

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

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 66

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
5G network

5G band 1, 3, 5, 7, 8, 20, 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
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A (CA)

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

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass Victus) - folded, plastic front - unfolded, glass back (Gorilla Glass Victus) or eco leather back, aluminum frame

Glass front (Gorilla Glass 5), plastic frame
SIM

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

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

132.2 mm

162.3 mm
Width

72.6 mm

77.2 mm
Thickness

14.6 mm

8.9 mm
Height unfolded

132.2 mm

-
Width unfolded

140.2 mm

-
Thickness unfolded

7.4 mm

-
Weight

233/237 g

199 g
Stylus

Yes

-
Splash resistant

-

Yes
Colors

Black, Green, White

Green, Grey, White

Display
Display type

Foldable LTPO AMOLED

IPS LCD capacitive touchscreen
Physical size

7.1 inches

6.53 inches
Resolution

1792 x 1920 pixels

1080 x 2340 pixels
Pixel density

370 ppi

395 ppi
Display colors

16777216

16777216
Protection

-

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

120Hz, HDR10+, 1200 nits (HBM), 1550 nits (peak)

-
Cover display

AMOLED

-
Cover display physical size

5.54 inches

-
Cover display resolution

1080 x 2120 pixels

-

Main camera
Camera type

Triple

Quad
Main camera

(wide) , 50 MP, f/1.8 , 84˚ , 24 mm, 1/1.56" , 1.0 µm

48 MP, f/1.8 , 26 mm, 1/2.0" , 0.8 µm
(telephoto) , 32 MP, f/2.0 , 47 mm, 1/2.74" , 0.8 µm, 2x optical zoom

8 MP, f/2.2 , 1/4.0" , 1.12 µm
115˚ , (ultrawide) , 48 MP, f/2.2 , 14 mm, 1/2" , 0.8 µm

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

8192 x 6144 pixels

8000 x 6000 pixels
Primary camera video

4K@30/60fps, 1080p@30/60/240fps, gyro-EIS, HDR

1080p@30fps
Primary camera flash

dual-LED dual-tone flash

LED flash
Camera features

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, hasselblad pro mode, hasselblad XPAN 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
Cover camera

32 MP, 22 mm, f/2.4 , 0.8 µm, 1/3.14"

Selfie camera
Selfie camera type

Single

-
Selfie camera

(wide) , 32 MP, f/2.4 , 22 mm, 1/3.14" , 0.8 µm

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

6528 x 4896 pixels

4160 x 3120 pixels
Selfie camera features

Digital image stabilization, face detection, face unlock, HDR

-
Selfie camera video

1080p@30fps, gyro-EIS

1080p@30fps

Connectivity
WLAN

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

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
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
WiFi Tri-Band

Yes

-
USB

Type-C 2.0

Type-C 1.0 reversible connector
USB On-The-Go

Yes

-
Bluetooth

v5.3

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
Infrared

-

Yes
NFC

Yes, eSE, HCE, NFC-SIM

Yes (market dependent)
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

-

Yes
BDS

Yes

-
QZSS

Yes

-

Features
Sensors

Accelerometer, color spectrum, compass, fingerprint, dual gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, light, proximity