Oppo A73 vs Oppo A91

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
3G network

HSDPA 850, 900, 2100

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

LTE frequency band 1, 2, 3, 4, 5, 7, 12, 17, 28

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

11.5 Mbps
LTE speed

LTE-A

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

AMOLED

AMOLED capacitive touchscreen
Physical size

6.44 inches

6.4 inches
Resolution

1080 x 2400 pixels

1080 x 2400 pixels
Pixel density

409 ppi

411 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen, Corning Gorilla Glass 3

Scratch resistant
Multitouch

-

Yes
Display features

430 nits (typ), 600 nits (peak), sunlight screen, moonlight screen

-

Main camera
Camera type

Quad

Quad
Main camera

(wide) , 16 MP, f/2.2 , 1/3.06" , 1.12 µm

48 MP, f/1.8 , 1/2.0" , 0.8 µm, 26 mm
(ultrawide) , 8 MP, f/2.2 , 120˚ , 1/4.0" , 1.12 µm

8 MP, f/2.2 , 1/4.0" , 1.12 µm, 13 mm
(depth) , 2 MP, f/2.4

2 MP, f/2.4 , 1/5" , 1.75 µm
(depth) , 2 MP, f/2.4

2 MP, f/2.4 , 1/5" , 1.75 µm
Primary camera resolution

4624 x 3468 pixels

8000 x 6000 pixels
Primary camera video

1080p@30fps, gyro-EIS

2160p@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, macro-mode

Autofocus, 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

(wide) , 16 MP, f/2.0 , 26 mm, 1/3.1" , 1.0 µm

16 MP, f/2 , 26 mm, 1/3.1" , 1.0 µm
Selfie camera resolution

4624 x 3468 pixels

4608 x 3456 pixels
Selfie camera features

Face unlock, face detection, front night mode, AI beautification, HDR

-
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
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

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

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

Yes

-
NFC

Yes (market dependent)

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
Beidou

-

Yes
BDS

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity, light

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4015 mAh

4025 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

VOOC Flash Charge 4.0 (50% in 30 min, 100% in 53 min)

VOOC Flash Charge 4.0 (50% in 30 min)