BLU J4 vs vivo T1x

BLU J4

vivo T1x

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

-

LTE frequency band 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
HSDPA speed

21.1 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Main camera
Camera type

Single

Dual
Main camera

8 MP

64 MP, (wide) , f/1.8 , 26 mm, 1/1.97" , 0.7 µm
(macro) , 2 MP, f/2.4
Primary camera resolution

-

9280 x 6920 pixels
Primary camera video

720p@30fps

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

LED flash

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, macro-mode, phase detection autofocus

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 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.1

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
NFC

-

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes