Oppo A91 vs alcatel A7 XL

Network
2G network

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

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1900, 2100
4G network

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

LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 20(800), 28(700)
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

11.5 Mbps

11.5 Mbps
LTE speed

LTE-A

LTE, Cat4, 150 Mbps download, 50 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

AMOLED capacitive touchscreen

LTPS IPS LCD capacitive touchscreen
Physical size

6.4 inches

6.0 inches
Resolution

1080 x 2400 pixels

1080 x 1920 pixels
Pixel density

411 ppi

367 ppi
Display colors

16777216

16777216
Protection

Scratch resistant

Asahi Dragontrail Glass
Multitouch

Yes

Yes

Main camera
Camera type

Quad

-
Main camera

48 MP, f/1.8 , 26 mm, 1/2.0" , 0.8 µm

12 MP
8 MP, f/2.2 , 13 mm, 1/4.0" , 1.12 µm

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

8000 x 6000 pixels

-
Primary camera video

2160p@30fps

1080p@30fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

LED flash

dual-LED (dual tone) flash
Camera features

Autofocus, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, phase detection autofocus

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

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
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

-
USB

Type-C 1.0 reversible connector

microUSB 2.0
USB On-The-Go

Yes

-
Bluetooth

v5.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
Beidou

Yes

-

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Mail

-

Push Mail
Java

-

No
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity, light

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