Allview X4 Xtreme vs Elephone U2

Allview X4 Xtreme

Elephone U2

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 2100
4G network

LTE

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800)
HSDPA speed

21.1 Mbps

-
HSUPA speed

5.76 Mbps

-
LTE speed

-

LTE, Cat6, 301 Mbps download, 51 Mbps upload
LTE-A speed

LTE-A, (2CA) Cat6, 300 Mbps download, 50 Mbps upload

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Main camera
Camera type

Dual

Triple
Main camera

13 MP

12 MP
5 MP

5 MP
2 MP
Primary camera resolution

-

4032 x 3024 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera Autofocus

phase detection autofocus

-
Primary camera flash

LED flash

dual-LED flash
Camera features

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

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene mode

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C reversible connector
USB On-The-Go

-

Yes
Bluetooth

v4.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth EDR

Yes

-
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Mail

Push Mail

-
Java

No

-
Sensors

Fingerprint (front-mounted), accelerometer, compass, gyro, proximity

Accelerometer, compass, fingerprint, gyroscope, heart rate, light, proximity