BLU J4 vs TCL 10 Pro

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100

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

-

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 25, 26, 28, 38, 40, 41, 66; LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
HSDPA speed

21.1 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

-

LTE-A (2CA), Cat13, 400 Mbps download, 75 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Glass front, glass back, aluminum frame
SIM

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

Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
Height

151 mm

158.5 mm
Width

72.3 mm

72.4 mm
Thickness

10 mm

9.2 mm
Weight

158 g

177 g
Colors

Black, Blue, Brown

Gray, Green

Main camera
Camera type

Single

Quad
Main camera

8 MP

64 MP, f/1.8 , 26 mm, 1/2.8" , 0.8 µm
16 MP, f/2.4 , 13 mm, 1/3.1" , 1.0 µm
5 MP, f/2.2
2 MP, f/2.4
Primary camera resolution

-

9280 x 6944 pixels
Primary camera video

720p@30fps

4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS
Primary camera flash

LED flash

dual-LED flash
Camera features

-

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

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
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 1.0 reversible connector
USB On-The-Go

-

Yes
Bluetooth

v4.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

Yes
Infrared

-

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes