Category Breakdown
Cubot J20
LG Lucid 4G VS840
Performance
49.841.3
Camera
39.619.1
Display
8.941.8
Battery
21.016.7
Build
0.214.6
Connectivity
47.140.2
Audio
8.98.9
Overall
25.021.2
Summary
- The Cubot J20, released in 2022, features a TN TFT display with a resolution of 480 x 854 pixels, while the LG Lucid 4G VS840, from 2012, has an IPS LCD display at 480 x 800 pixels.
- In terms of performance, the J20 is powered by a Mediatek MT6739WA chipset with a quad-core CPU, compared to the dual-core Qualcomm Snapdragon S3 in the Lucid.
- Both phones have a 5 MP rear camera, but the Lucid offers 1080p video recording, whereas the J20 does not specify video capabilities.
- The J20 has a larger battery capacity at 2350 mAh compared to the Lucid's 1700 mAh.
- Software-wise, the J20 runs on Android 12 (Go edition), while the Lucid originally shipped with Android 2.3.6, upgradable to 4.0.4.
- Overall, the J20 presents a more modern build and software experience, while the Lucid has a slightly better display technology and video recording capability.
Side-by-side Specification Comparison
Cubot J20
LG Lucid 4G VS840
General
Release Date
2022
2012
Announced
2022
2012
Description
N/A
For VerizonAlso known as LG Cayman, LG Optimus Exceed
Display
Size
4"
4"
Type
TN TFT
IPS LCD, 256K colors
Resolution
480 x 854 pixels, 16:9 ratio (~245 ppi density)
480 x 800 pixels, 5:3 ratio (~233 ppi density)
PPI
480
480
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
Corning Gorilla Glass
Performance
Chipset
Mediatek MT6739WA (28 nm)
Qualcomm Snapdragon S3
CPU
Quad-core 1.3 GHz Cortex-A53
Dual-core 1.2 GHz Scorpion
GPU
PowerVR GE8100
Adreno 220
Memory
16GB 2GB RAM
8GB 1GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDHC (dedicated slot)
Camera
Main Camera
5 MP, (wide), AF
5 MP, AF
Main Camera Features
LED flash
LED flash
Front Camera
2 MP
VGA
Front Camera Features
N/A
N/A
Video Recording
Yes
1080p@30fps
Selfie Video
Yes
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
2350 mAh
1700 mAh
Battery Details
2350 mAh, removable
Removable Li-Ion 1700 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
126.3 x 60.6 x 12.7 mm (4.97 x 2.39 x 0.5 in)
119.1 x 62.2 x 11.4 mm (4.69 x 2.45 x 0.45 in)
Weight
143 g
142 g
Materials
N/A
N/A
Colors
Blue, Black, Green
Black
Foldable
✗
✗
SAR
N/A
1.14 W/kg (head) 1.17 W/kg (body)
Connectivity
SIM
Nano-SIM + Nano-SIM
Micro-SIM
Network
GSM / HSPA / LTE
CDMA / EVDO / LTE
Network Speed
HSPA, LTE
EV-DO Rev.A 3.1 Mbps, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot, DLNA
Bluetooth
4.2, A2DP
3.0, A2DP, EDR
NFC
✗
✗
USB
Yes
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✗
✓
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO
GPS, A-GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Unspecified
Yes
Software & Security
Operating System
Android 12 (Go edition)
Android 2.3.6 (Gingerbread), upgradable to 4.0.4 (Ice Cream Sandwich)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
Accelerometer, proximity

