Cubot J3


Cubot J3
Cubot J3
Graphics adapter
1024 MB 
5 inch 18:9, 960 x 480 pixel 215 PPI, capacitive touchscreen, TN LED, glossy: yes
16 GB eMMC Flash, 16 GB 
, 12.5 GB free
1 USB 2.0, Audio Connections: 3.5 mm headphone jack, Card Reader: up to 64 GB microSD cards, Brightness Sensor, Sensors: Accelerometer, proximity sensor, microUSB
802.11 b/g/n (b/g/n = Wi-Fi 4), Bluetooth 4.0, 2G: 850, 900, 1,800, 1,900. 3G: B1, B8., Dual SIM, GPS
height x width x depth (in mm): 8.8 x 141.4 x 66.3 ( = 0.35 x 5.57 x 2.61 in)
7.6 Wh, 2000 mAh Lithium-Ion, removeable
Operating System
Android 8.1 Oreo
Primary Camera: 8 MPix , contrast autofocus, LED flash
Secondary Camera: 5 MPix
Additional features
Speakers: Mono speaker on the underside of the device, Keyboard: virtual keyboard, Charger, USB cable, case, Monochrome notification LED. SAR values: Body – 1.312 W/kg, Head - 0.421 W/kg., fanless
148 g ( = 5.22 oz / 0.33 pounds), Power Supply: 49 g ( = 1.73 oz / 0.11 pounds)
70 Euro



Average Score: 66.7% - average
Average of 2 scores (from 1 reviews)
price: - %, performance: 36%, features: 30%, display: 64% mobility: 75%, workmanship: 71%, ergonomy: 62%, emissions: 95%

Reviews for the Cubot J3

68.4% Cubot J3 Smartphone Review | Notebookcheck
The Cubot J3 is a tiny smartphone by modern standards and can easily be used with one hand. However, this is where things start to fall down, as we shall explain in this review. Read on to find out how this small budget smartphone fares against its competitors and whether it has more to offer than just its diminutive stature.
65% Cubot J3
Source: German DE→EN
Single Review, online available, Long, Date: 10/29/2018
Rating: Total score: 65% performance: 60% display: 60% mobility: 60% workmanship: 80%


ARM Mali-400 MP2: OpenGL ES 2.0 GPU for ARM based SoCs with 2 fragment processors and 1 vertex processor. These graphics cards are not suited for Windows 3D games. Office and Internet surfing however is possible. » Further information can be found in our Comparison of Mobile Graphics Cards and the corresponding Benchmark List.
MT6580M: Quad-core SoC (4x Cortex-A7 at 1.3 GHz) for tablets and smartphones.» Further information can be found in our Comparison of Mobile Processsors.

This is a typical smartphone diagonal.

» To find out how fine a display is, see our DPI List.
0.148 kg:

Only few smartphones are more lightweight than this.

66.7%: This rating is bad. Most notebooks are better rated. This is not a recommendation for purchase.
» Further information can be found in our Notebook Purchase Guide.

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Devices from a different Manufacturer and/or with a different CPU

Alcatel 1C 2019
Mali-400 MP2, Spreadtrum SC7731

Devices with the same GPU

Ulefone Armor X3
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Mali-400 MP2, Mediatek MT6580M, 5.5", 0.256 kg
Bluboo D6
Mali-400 MP2, Mediatek MT6580M, 5.5", 0.159 kg
Blackview A30
Mali-400 MP2, Mediatek MT6580M, 5.5", 0.14 kg
Doogee X70
Mali-400 MP2, Mediatek MT6580M, 5.5", 0.167 kg
BQ RU BQ 5707G Next Music
Mali-400 MP2, Mediatek MT6580M, 5.7", 0.185 kg
Alcatel One Touch Pixi First
Mali-400 MP2, Spreadtrum SC7731, 4", 0.146 kg

Devices with Same Screen Size and/or Weight

Cubot X20 Pro
Mali-G72 MP3, Mediatek Helio P60, 6.3", 0.2 kg
Cubot Quest Lite
PowerVR GE8300, Mediatek Helio A22 MT6761, 5", 0.183 kg
Cubot Quest
PowerVR GE8320, Mediatek Helio P22 MT6762, 5.5", 0.193 kg
Cubot Max 2
PowerVR GE8320, Mediatek Helio P22 MT6762, 6.8", 0.18 kg
Cubot X19
Mali-G71 MP2, Mediatek Helio P23 MT6763T, 5.93", 0.175 kg
Cubot King Kong 3
Mali-G71 MP2, Mediatek Helio P23 MT6763T, 5.5", 0.28 kg
Cubot Nova
PowerVR GE8100, Mediatek MT6739, 5.5", 0.17 kg
Cubot P20
Mali-T860 MP2, , 6.18", 0.167 kg
Current Prices
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Stefan Hinum (Update: 2018-11-10)