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Model

Compare Cat S31 and DEXP Ixion Z155

Cat S31 vs DEXP Ixion Z155

Cat S31

DEXP Ixion Z155

DEXP Ixion Z155

Cat S31

DEXP Ixion Z155

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100 - EU; HSDPA 850, 900, 1700(AWS), 1900, 2100 - USA

HSDPA 900, 2100
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800) - EU; LTE frequency band 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700) - USA

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

LTE, Cat4, 150 Mbps download, 50 Mbps upload

LTE, Cat4, 150 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2017-9

2018-02
Status

2017-10

2018-02

Design
Build

-

Metal
SIM

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

Dual SIM (Nano-SIM/Nano-SIM(microSD))
Height

146 mm

157.6 mm
Width

74.4 mm

78.1 mm
Thickness

12.6 mm

9.15 mm
Weight

200 g

195 g
Waterproof

IP68, 1.2 m and 35 minutes

-
Dust proof

IP68

-
MIL-STD-810G

Yes - dust, humidity, rain, salt, vibration, solar radiation, transport and thermal shock resistant

-
Colors

Black

Blue

Display
Display type

TFT capacitive touchscreen

IPS
Physical size

4.7 inches

5.5 inches
Resolution

720 x 1280 pixels

720 x 1280 pixels
Pixel density

312 ppi

267 ppi
Display colors

-

16777216
Protection

Corning Gorilla Glass 3

-
Multitouch

Yes

Yes

Hardware
CPU

Quad-core 1.3 GHz ARM Cortex-A7

Quad-core 1.25 GHz ARM Cortex-A53
Chipset

Qualcomm MSM8909 Snapdragon 210

Mediatek MT6737
GPU

Adreno 304

Mali-T720 MP1
Internal storage

16 GB

16 GB
Memory RAM

2 GB

1 GB
Memory card

microSD

microSD, microSDHC, microSDXC
Memory card max

64 GB

128 GB

OS
OS

Android 7.0 (Nougat)

Android 7.0 Nougat

Main camera
Main camera

8 MP

13 MP
Primary camera resolution

-

4160 x 3120 pixels
Primary camera video

720p@30fps

1080p@30fps
Primary camera Autofocus

autofocus

-
Primary camera flash

LED flash

LED
Camera features

Geo-tagging, face detection, 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

Selfie camera
Selfie camera

2 MP

8 MP
Selfie camera resolution

-

3264 x 2448 pixels
Selfie camera video

-

480p@30fps MP

Sound
3.5mm jack

Yes

Yes
Loudspeaker

Yes

Yes
Notifications

Vibration; MP3, WAV ringtones

-

Multimedia
Radio FM

FM radio

FM radio

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
USB

microUSB 2.0

microUSB 2.0
USB On-The-Go

Yes

-
Bluetooth

v4.1

v4.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
BDS

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, proximity

Accelerometer, light, proximity

Browser
HTML

HTML5

HTML5

Battery
Battery type

Li-Ion

Li-Ion
Battery capacity

4000 mAh

3200 mAh
Battery removable

Non-removable

Non-removable
Talk time 2G

-

5 h
Talk time 3G

-

5 h
Standby time 2G

-

245 h
Standby time 3G

-

245 h

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