Cubot X18 vs Sigma Mobile X-treme PQ51

Cubot X18

Sigma Mobile X-treme PQ51

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

HSDPA 900, 2100
4G network

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

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

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE Cat4, 150.8 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic, aluminimum alloy

Plastic, rubber
SIM

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

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

159.6 mm

148 mm
Width

74 mm

76 mm
Thickness

8.5 mm

12 mm
Weight

175 g

214 g
Waterproof

-

IP68
Dust proof

-

IP68
Colors

Blue, Gold

Black,Red

Display
Display type

IPS capacitive touchscreen

IPS capacitive touchscreen
Physical size

5.7 inches

5.2 inches
Resolution

720 x 1440 pixels

720 x 1280 pixels
Pixel density

282 ppi

282 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen, GFF full lamination

Scratch resistant, Corning Gorilla Glass 3
Multitouch

Yes

Yes

Main camera
Camera type

-

Dual
Main camera

13 MP, f/2.2 , 1.115 µm

13 MP
0.3 MP
Primary camera resolution

4208 x 3120 pixels

4160 x 3120 pixels
Primary camera video

1080p@30fps

720p@30fps
Primary camera flash

dual-LED flash

LED flash
Camera features

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

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