Oppo A8 vs ZTE Blade X

Network
2G network

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

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 2100

HSDPA 850, 1900, 1800
4G network

LTE frequency band 1(2100), 5(850), 7(2600), 8(900), 39(1900), 40(2300), 41(2500)

LTE frequency band 2(1900), 4(1700/2100), 5(850), 12(700)
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A

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

Yes

Yes
EDGE

Yes

Yes

Main camera
Camera type

Triple

-
Main camera

12 MP, f/1.8

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

4032 x 3120 pixels

-
Primary camera video

1080p@30fps

1080p@30fps
Primary camera Autofocus

-

autofocus
Primary camera flash

LED flash

LED 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 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

-
USB

microUSB 2.0

Type-C reversible connector
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 Email

-

Push Email
Java

-

No
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity, light

Fingerprint (rear-mounted), accelerometer, proximity