Compare models
Model

Compare BLU J4 and Ulefone Power 6

BLU J4 vs Ulefone Power 6

BLU J4

Ulefone Power 6

Ulefone Power 6

BLU J4

Ulefone Power 6

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1700, 1900, 2100
4G network

-

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 25(1900), 26(850), 40(2300), 66(1700/2100)
HSDPA speed

21.1 Mbps

-
HSUPA speed

5.76 Mbps

-
LTE speed

-

LTE, Cat6 301 Mbps download, 102 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2019-10

2019-3
Status

2019-10

2019-3

Design
Build

Plastic

Polycarbonate, metal
SIM

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

Dual SIM (Nano-SIM/Nano-SIM(microSD))
Height

151 mm

159.15 mm
Width

72.3 mm

75.8 mm
Thickness

10 mm

9.95 mm
Weight

158 g

207 g
Colors

Black, Blue, Brown

Black, Blue, Red

Display
Display type

IPS LCD capacitive touchscreen

IPS capacitive touchscreen
Physical size

5.5 inches

6.3 inches
Resolution

720 x 1440 pixels

1080 x 2340 pixels
Pixel density

293 ppi

409 ppi
Display colors

16777216

16777216
Protection

-

2.5D curved glass screen
Multitouch

Yes

Yes

Hardware
CPU

-

Octa-core
CPU

Quad-core 1.3 GHz Cortex-A7

Quad-core 2.3 GHz Cortex-A53
CPU(second)

quad-core 1.8 GHz Cortex-A53
Chipset

-

MediaTek Helio P35 (MT6765)
GPU

Mali-400

PowerVR GE8320
Memory RAM

1 GB

4 GB
Internal storage

32 GB

64 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Memory card max

64 GB

256 GB
Storage

eMMC 5.1

-

OS
OS

Android 8.1 Oreo Go Edition

Android 9.0 Pie

Main camera
Camera type

Single

Dual
Main camera

8 MP

21 MP, f/1.8 , 1/3.1" , 1.0 µm
2 MP
Primary camera resolution

-

5312 x 3984 pixels
Primary camera video

720p@30fps

1080p@30fps
Primary camera flash

LED 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, phase detection

Selfie camera
Selfie camera

8 MP

8 MP, f/1.8
Selfie camera resolution

-

4608 x 3456 pixels
Selfie camera video

720p@30fps

720p@30fps

Sound
3.5mm jack

Yes

No
Loudspeaker

Yes

Yes
Earpiece

Yes

Yes
Headphone adapter

-

Yes

Multimedia
Radio

FM Radio

-
Radio FM

-

FM radio with RDS

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C reversible connector
USB On-The-Go

-

Yes
Bluetooth

v4.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
Beidou

-

Yes

Features
Sensors

Accelerometer

Accelerometer, barometer, compass, gyroscope, fingerprint, light, pedometer, proximity

Browser
HTML

HTML5

HTML5

Battery
Battery type

Li-Po

Li-Po
Battery capacity

2200 mAh

6350 mAh
Battery removable

Removable

Non-removable
Fast battery charging

-

Yes
Talk time 2G

-

64 h
Talk time 3G

-

64 h
Standby time 2G

-

1800 h
Standby time 3G

-

1800 h

Cost
Price

75 USD

-

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