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Model

Compare Cat B40 and Oukitel C31 Pro

Cat B40 vs Oukitel C31 Pro

Cat B40

Oukitel C31 Pro

Oukitel C31 Pro

Cat B40

Oukitel C31 Pro

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 900, 2100
4G network

LTE frequency band 1, 3, 7, 8, 20, 28

LTE frequency band 1, 3, 7, 8, 19, 20
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

-

LTE, 301 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2021-04

2022-12
Status

2021-04

2022-12

Design
Build

-

Plastic
SIM

Nano-SIM

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

145 mm

165.2 mm
Width

62 mm

77.67 mm
Thickness

18 mm

9.5 mm
Weight

157 g

212 g
Waterproof

IP69, 1.2m and 35 minutes

-
Dust proof

Yes, IP69

-
MIL-STD-810G

Yes

-
Flashlight

Yes, 100+ lumens

-
Build features

Antimicrobial protection (silver ion-based)

-
Colors

Black

Black, Blue, Purple

Display
Display type

TFT

IPS TFT
Physical size

2.4 inches

6.52 inches
Resolution

240 x 320 pixels

720 x 1600 pixels
Pixel density

167 ppi

269 ppi
Display colors

-

16777216
Protection

-

2.5D curved glass screen

Hardware
CPU

-

Octa-core
CPU

Quad-core 2.0 GHz Cortex-A53
CPU(second)

quad-core 1.5 GHz Cortex-A53
Chipset

Unisoc T117

Mediatek Helio P22 (MT6762)
GPU

-

PowerVR GE8320
Memory RAM

-

4 GB
Internal storage

-

64 GB
Memory card

microSD

microSD, microSDHC, microSDXC
Memory card max

32 GB

256 GB
Phonebook

Yes

-
Call records

Yes

-

Main camera
Camera type

Single

Triple
Main camera

2 MP

13 MP, f/2.2 , 1/3"
(macro) , 0.3 MP, f/2.8 , 1/10"
(depth) , 0.3 MP, f/2.8 , 1/10"
Primary camera resolution

-

4160 x 3120 pixels
Primary camera video

-

1080p@30fps
Primary camera flash

-

dual-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

Sound
3.5mm jack

Yes

No
Loudspeaker

Yes

Yes
Earpiece

-

Yes

Multimedia
Radio

FM Radio

FM Radio

Connectivity
WLAN

No

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

-

Yes
WLAN WiFi Direct

-

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.0

v5.2
Bluetooth A2DP

A2DP

Yes
bluetooth LE

LE

-
NFC

-

No
GPS

No

Yes, with A-GPS
GLONASS

-

Yes
BDS

-

Yes

Features
Messaging SMS

Yes

-
Java

No

-
Games

No

-
Sensors

-

Accelerometer, fingerprint, gyroscope, light, proximity

Browser
HTML

No

HTML5

Battery
Battery type

Li-Ion

Li-Po
Battery capacity

1800 mAh

5150 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

-

Yes
Talk time 4G

-

50 h

Cost
Price

90 USD

100 USD

OS
OS

-

Android 12

Selfie camera
Selfie camera type

-

Single
Selfie camera

5 MP, f/2.2 , 75˚
Selfie camera resolution

-

2560 x 1944 pixels
Selfie camera features

-

Face unlock, face detection
Selfie camera video

-

1080p@30fps

Tests and performance
Antutu

-

101287 (v9)
Geekbench(single-core)

-

161 (v5.2)
Geekbench(multi-core)

-

847 (v5.2)

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