Oppo A77 5G vs Xiaomi Redmi Note 9 4G

Oppo A77 5G

Xiaomi Redmi Note 9 4G

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 2100
4G network

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

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

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 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, 391 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, plastic frame, plastic back

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

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

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

163.8 mm

162.3 mm
Width

75.1 mm

77.3 mm
Thickness

8 mm

9.6 mm
Weight

190 g

198 g
Waterproof

IPX4

-
Dust proof

IPX4

-
Colors

Black, Blue

Blue, Gray, Green, Orange

Display
Display type

IPS LCD

IPS LCD
Physical size

6.56 inches

6.53 inches
Resolution

720 x 1612 pixels

1080 x 2340 pixels
Pixel density

269 ppi

395 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen

Scratch resistant, Corning Gorilla Glass 3
Display features

480 nits (typ), 600 nits (HBM)

400 nits (typ), Max Vision Display

Main camera
Camera type

Dual

Triple
Main camera

(wide) , 48 MP, f/1.7 , 80˚ , 26 mm

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

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

8000 x 6000 pixels

4608 x 3456 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, 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, 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, laser autofocus, RAW

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 8 MP, f/2.0 , 79˚ , 26 mm

(wide) , 8 MP, f/2.0 , 27 mm, 1/4.0" , 1.12 µm
Selfie camera resolution

3264 x 2448 pixels

3264 x 2448 pixels
Selfie camera features

Face unlock, HDR

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

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.3

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
Bluetooth AptX

aptX HD

-
Infrared

-

Yes
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-