Ulefone Armor X2 vs vivo Y83

Ulefone Armor X2

vivo Y83

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 900, 2100

HSDPA 850, 900, 2100
4G network

-

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

-

HSPA
LTE speed

-

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal, polycarbonate, thermoplastic polyurethane

Aluminium alloy, plastic
SIM

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

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

163 mm

155.2 mm
Width

76.6 mm

75.2 mm
Thickness

13.9 mm

7.7 mm
Weight

256 g

150 g
Waterproof

Yes, IP68

-
Dust proof

Yes, IP68

-
Colors

Grey, Rose-gold

Aurora White, Black, Gold, Red

Display
Display type

IPS capacitive touchscreen

IPS LCD capacitive touchscreen
Physical size

5.5 inches

6.22 inches
Resolution

720 x 1440 pixels

720 x 1520 pixels
Pixel density

293 ppi

270 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Corning Gorilla Glass 3, Oleophobic(lipophobic) coating

-
Multitouch

Yes

Yes

Main camera
Camera type

Dual

-
Main camera

8 MP, f/2.0

13 MP, f/2.2
5 MP
Interpolated resolution

13 MP

-
Primary camera resolution

3264 x 2448 pixels

4160 x 3120 pixels
Primary camera video

720p@30fps

1080p@30fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

dual-LED flash

LED flash
Camera features

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

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

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging Push Email

-

Push Email
Sensors

Accelerometer, fingerprint, light, proximity

Fingerprint (rear-mounted), accelerometer, proximity