Cat S31 vs Zoji Z33: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Cat S31 vs Zoji Z33. The complete information of specifications to decide which to buy.

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Technical data sheets

Basics

Cat S31
Cat S31
Global · 2GB · 16GB
View datasheet
vs
Zoji Z33
Zoji Z33
Global · 3GB · 32GB
View datasheet
vs

Score

Ki Cost-effective
Score
-- Not available -- Not available
Design and Screen score --Design & Materials --Design & Materials
Performance and Hardware score --Performance & Hardware --Performance & Hardware
Camera score --Camera --Camera
Connectivity score -- Connectivity -- Connectivity
Battery score --Battery --Battery

User reviews

User score
--
1 review
--
1 review

Technical specifications of the Cat S31 vs Zoji Z33

Specs where to buy Cat S31 Cat S31
Global · 2GB · 16GB
Zoji Z33 price compare Zoji Z33
Global · 3GB · 32GB
Inches 4.7" 5.85"
Resolution HD HD+
Usable surface 56% useful 71% useful
Aspect Ratio 16:9 19:9
Dimensions 74.4 mm
146.0 mm
12.6 mm
77.0 mm
156.7 mm
12.0 mm
Weight 200 g 213 g
Micro SnapD. 210
Quad-Core
MT6739
Quad-Core
RAM 2 GB RAM 3 GB RAM
Storage 16 GB 32 GB
AnTuTu 21.311
v?
34.562
v?
Battery 4000 mAh 4600 mAh
Main Camera 1
8 Mpx · Unknow

1
16 Mpx · ƒ/2.2

2
Selfie Camera SELF 1.9 Mpx · ƒ/-- SELF 13 Mpx · ƒ/--
Bands
OS Android 7.0 Nougat Android 8.0 Oreo

Brand

Brand Cat Zoji
Aliases -- --

Release Date

Release date September 2017,
6 years ago
August 2018,
5 years ago
State On Sale Not available
Market Global Global

Design & Materials

Structure

Cat S31
Zoji Z33
Cat S31
Zoji Z33
Size
74.4 mm 146.0 mm 12.6 mm
Print 3D Model
77.0 mm 156.7 mm 12.0 mm
Print 3D Model
Weight 200 g 213 g
Usable surface 56 % 71 %
Materials - -
Resistance IP68
MIL-STD-810G
IP68
Colors
Black
Black

Orange

Screen

Diagonal 4.7" 5.85"
Type LCD IPS LCD IPS
Aspect Ratio 16:9 19:9
Resolution HD
720 x 1280 px
HD+
720 x 1512 px
Density 312 Pixels per inch 286 Pixels per inch

Others

Others
  • Without Notch
  • Scratch resistant
  • Corning Gorilla Glass 3
  • Capacitive
  • Multi-touch
  • Wide screen notch
  • Scratch resistant
  • Corning Gorilla Glass
  • Capacitive
  • Multi-touch

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
--
--
Do you think it's a nice phone?
--
--
Is it comfortable?
--
--
Can you see it well in the sunlight?
--
--
Number of reviews
--
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Performance & Hardware

Processor

Model Qualcomm Snapdragon 210 MSM8909 MediaTek MT6739
CPU 4x Cortex-A7 1.1 GHz 4x Cortex-A53 1.3 GHz
Type Quad-Core Quad-Core
Manufacturing 28 nm 28 nm
64 Bits No Yes

Graphics

GPU Qualcomm Adreno 304 PowerVR GE8100

RAM

RAM 2 GB 3 GB
Type -- --

Storage

Capacity 16 GB 32 GB
Type -- --
SD Slot Yes ,
Independent SD slot
Yes ,
Independent SD slot

Security

Fingerprint No Yes, in the back

Sensors

Sensors
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Heart Rate

Audio

Audio
-
-

Others

Notifications LED -- --
Cooling system No No
Gaming buttons No No

User reviews

Does it have good sound?
--
--
Does it work smoothly in everyday use?
--
--
What's your experience been with demanding games?
--
--
Number of reviews
--
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Camera

Main

No. of cameras Rear camera Double rear camera
1
Camera type

Standard

Standard
Resolution 8 Mpx 16 Mpx
Sensor Unknown Samsung
Type CMOS CMOS
Aperture Unknow ƒ/ 2.2
ISO -- --
Pixel size -- --
Pixel Binning -- --
Sensor size -- --
2
Camera type
--

Resolution
2 Mpx
Sensor
Unknown
Type
--
Aperture
ƒ/ --
Pixel size
--
Pixel Binning
--
Sensor size
--

Features

Flash LED Dual LED
Optical Stabilisation No No
Slow Motion Video No,
30 fps
No,
30 fps
Others
  • Digital zoom
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Digital zoom
  • Dual camera
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer

Selfie

SELF
Camera type

Dedicated

Dedicated
Resolution 1.9 Mpx 13 Mpx
Sensor Unknown Omnivision
Type -- --
Aperture ƒ/ -- ƒ/ --
Pixel size -- --
Pixel Binning -- --
Sensor size -- --
Others
--
--

DxOMark Score

DxOMark Score -- --

User reviews

Quality of daytime photos
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--
Quality of nighttime photos
--
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Quality of selfies
--
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Does it have a powerful flash?
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--
Number of reviews
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Connectivity

Network compatibility

5G -- --
4G LTE
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B17 (700)
  • B20 (800)
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B17 (700)
  • B19 (800)
  • B20 (800)
  • B34 (TDD 2100)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
3G
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B8 (900)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • CDMA BC0 (800)
  • CDMA BC1 (1900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card

Dual SIM Dual Sim Dual Standby
Type
  • Nano SIM
  • Nano SIM

Wi-Fi

Wi-Fi
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
Others
  • Wi-Fi Hotspot
  • Dual band
  • Wi-Fi Hotspot

Bluetooth

Version Bluetooth 4.1 Bluetooth 4.0
Others
  • A2DP (Advanced Audio Distribution Profile)
  • A2DP (Advanced Audio Distribution Profile)

Navigation

Navigation
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • GPS
  • A-GPS
  • GLONASS
  • Beidou

USB

USB
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C

SAR

European measurement

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

-- --
American measurement

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

1.140 W/Kg on head
1.190 W/Kg on body
--

Others

Others
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.

User reviews

Does it have good coverage for calls?
--
--
Quality of the GPS
--
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And the WiFi?
--
--
Number of reviews
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Battery

Battery

Capacity
4000 mAh
4600 mAh
Type Li-Ion Li-Polymer
Fast charge No Yes
Others
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
--
--
Number of reviews
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Software

Software

Operating System
  • Android 7.1.2 Nougat
    Android 7.0 Nougat, 7 years ago
  • Android 8.1 Oreo
    Android 8.0 Oreo, 6 years ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
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--
Do you regularly receive updates?
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Number of reviews
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