Oppo A15 vs alcatel 3x

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 3, 5, 8, 38, 40, 41

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 28(700)
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

11.5 Mbps
LTE speed

LTE-A, 150 Mbps download, 51 Mbps upload

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

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, plastic back, plastic frame

Plastic, metal
SIM

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

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

164 mm

153.5 mm
Width

75.4 mm

71.6 mm
Thickness

7.9 mm

8.5 mm
Weight

175 g

144 g
Colors

Black, Blue

Metallic Black, Metallic Blue, Metallic Gold, Spectrum Black, Spectrum Blue, Spectrum Gold

Main camera
Camera type

Triple

Dual
Main camera

(wide) , 13 MP, f/2.2 , 1/3.1" , 1.12 µm

13 MP, f/2.0 , 1/3" , 1.12 µm
(macro) , 2 MP, f/2.4

5 MP, f/2.2 , 1/5" , 1.12 µm
(depth) , 2 MP, f/2.4
Primary camera resolution

4160 x 3120 pixels

4160 x 3120 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera Autofocus

-

autofocus
Primary camera flash

LED flash

dual-LED dual-tone flash
Camera features

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

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

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Mail

-

Push Mail
Sensors

Accelerometer, fingerprint, proximity

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