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Model

Compare BLU J4 and Ulefone Armor 6S

BLU J4 vs Ulefone Armor 6S

BLU J4

Ulefone Armor 6S

Ulefone Armor 6S

BLU J4

Ulefone Armor 6S

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900, CDMA 800, 1900
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1700, 1900, 2100; TD-SCDMA 1880-1920, 2010-2025
4G network

-

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(850), 20(800), 25(1900), 26(850), 28(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700)
HSDPA speed

21.1 Mbps

-
HSUPA speed

5.76 Mbps

-
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

LTE Cat 7, 301.5 Mbps download, 102 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2019-10

2019-9
Status

2019-10

2019-9

Design
Build

Plastic

Rubber, metal, polycarbonate
SIM

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

Dual SIM (Nano-SIM/microSD)
Height

151 mm

166 mm
Width

72.3 mm

83 mm
Thickness

10 mm

13.3 mm
Weight

158 g

270 g
Waterproof

-

IP68, IP69K
Dust proof

-

IP68, IP69K
MIL-STD-810G

-

Yes
Colors

Black, Blue, Brown

Black, Red

Display
Display type

IPS LCD capacitive touchscreen

IPS capacitive touchscreen
Physical size

5.5 inches

6.2 inches
Resolution

720 x 1440 pixels

1080 x 2246 pixels
Pixel density

293 ppi

402 ppi
Display colors

16777216

16777216
Protection

-

Scratch resistant, Corning Gorilla Glass 5
Multitouch

Yes

Yes

Hardware
CPU

-

Octa-core
CPU

Quad-core 1.3 GHz Cortex-A7

Quad-core 2.1 GHz Cortex-A73
CPU(second)

quad-core 1.95 GHz Cortex-A53
Chipset

-

MediaTek Helio P70
GPU

Mali-400

ARM Mali-G72 MP3
Memory RAM

1 GB

6 GB
Internal storage

32 GB

128 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

16 MP, f/2.0 , 1/3.1" , 1.0 µm
8 MP
Primary camera resolution

-

4608 x 3456 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

Selfie camera
Selfie camera

8 MP

8 MP, f/2.0 , 0.18" , 1.126 µm
Selfie camera resolution

-

3264 x 2448 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

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 5Ghz, 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

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
Beidou

-

Yes

Features
Sensors

Accelerometer

Accelerometer, barometer, compass, gyroscope, pedometer, proximity, light, proximity, UV light sensor

Browser
HTML

HTML5

HTML5

Battery
Battery type

Li-Po

Li-Po
Battery capacity

2200 mAh

5000 mAh
Battery removable

Removable

Non-removable
Fast battery charging

-

MediaTek Pump Express
Wireless charging

-

Qi
Talk time 2G

-

25 h
Talk time 3G

-

25 h
Standby time 2G

-

440 h
Standby time 3G

-

440 h

Cost
Price

75 USD

-

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