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Model

Compare Cubot J20 and Oppo A78

Cubot J20 vs Oppo A78

Cubot J20

Oppo A78

Cubot J20

Oppo A78

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 3, 5, 7, 8, 19, 20, 40

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66
5G network

-

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA
HSDPA speed

21.1 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

-

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2023-03

2023-01
Status

2023-03

2023-01

Design
Build

Plastic

Plastic
SIM

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

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

138 mm

163.8 mm
Width

65 mm

75.1 mm
Thickness

10.8 mm

8 mm
Weight

143 g

188 g
Waterproof

-

IP54
Dust proof

-

IP54
Colors

Black, Green

Black, Purple

Display
Display type

IPS TFT

IPS LCD
Physical size

4 inches

6.56 inches
Resolution

480 x 584 pixels

720 x 1612 pixels
Pixel density

245 ppi

269 ppi
Display colors

16777216

16777216
Protection

-

Scratch resistant, 2.5D curved glass screen, Panda glass
Display features

-

90Hz, 480 nits (typ), 600 nits (HBM)

Hardware
CPU

-

Octa-core
CPU

Quad-core 1.3 GHz Cortex-A53

Dual-core 2.2 GHz Cortex-A76
CPU(second)

Hexa-core 2.0 GHz Cortex-A55
Chipset

Mediatek MT6739WA

MediaTek MT6833 Dimensity 700
GPU

PowerVR GE8100

Mali-G57 MC2
Memory RAM

2 GB

8 GB
Internal storage

16 GB

128 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Memory card max

128 GB

1 TB
Storage

-

UFS 2.2

OS
OS

Android 12 Go Edition

Android 12, ColorOS 13

Main camera
Camera type

Single

Dual
Main camera

5 MP

50 MP, (wide) , f/1.8 , 77˚ , 27 mm
(depth) , 2 MP, f/2.4 , 89˚ , 1/5" , 1.75 µm
Primary camera resolution

2560 x 1920 pixels

8190 x 6120 pixels
Primary camera video

720p@30fps

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, geotagging, HDR, touch focus, face detection, self-timer

Autofocus, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

2 MP

8 MP, (wide) , f/2.0 , 77˚ , 27 mm, 1/4" , 1.12 µm
Selfie camera resolution

1920 x 1080 pixels

3264 x 2448 pixels
Selfie camera features

Face unlock

Face unlock, HDR
Selfie camera video

480p@30fps

1080p@30fps

Sound
3.5mm jack

Yes

Yes
Loudspeaker

Yes

Yes, with stereo speakers
Earpiece

Yes

Yes

Multimedia
Radio

FM Radio

No

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

-
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.2

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth AptX

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes

Features
Sensors

Accelerometer, light

Accelerometer, compass, fingerprint, proximity

Browser
HTML

HTML5

HTML5

Battery
Battery type

Li-Po

Li-Po
Battery capacity

2350 mAh

5000 mAh
Battery removable

Removable

Non-removable
Fast battery charging

-

SuperVOOC, 33W (53% in 30 min, 100% in 67 min)
Talk time 4G

-

22.9 h

Tests and performance
Antutu

46844 (v8)

324000 (v9)
Geekbench(single-core)

157 (v5.2)

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

380 (v5.2)

1785 (v5.2)

Cost
Price

65 USD

250 USD

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