BLU J4 vs OnePlus 8T

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800, & TD-SCDMA
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1800, 1900, 2100
4G network

-

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 66 - EU; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 46, 48, 66, 71 - NA; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41, 46 - IN; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41 - CN
5G network

-

5G band 1, 3, 7, 28, 41, 78 SA/NSA - EU; 1, 2, 3, 5, 25, 41, 66, 71 SA/NSA - NA; 1, 3, 78 SA/NSA - IN; 41, 78, 79 SA/NSA - CN
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 (5CA), Cat18, 1200 Mbps download, 200 Mbps upload
5G speed

-

7.5 Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
SIM

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

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

151 mm

160.7 mm
Width

72.3 mm

74.1 mm
Thickness

10 mm

8.4 mm
Weight

158 g

188 g
Colors

Black, Blue, Brown

Green, Silver

Main camera
Camera type

Single

Quad
Main camera

8 MP

48 MP, (wide) , f/1.7 , 26 mm, 1/2.0" , 0.8 µm
(ultrawide) , 16 MP, f/2.2 , 123˚ , 1/3.6" , 1.0 µm
(macro) , 5 MP, f/2.4
(depth) , 2 MP, f/2.4
Primary camera resolution

-

8000 x 6000 pixels
Primary camera video

720p@30fps

4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS
Primary camera flash

LED flash

dual-LED flash
Camera features

-

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

-

115
DxOMark zoom

-

52
DxOMark video

-

102
DxOMark camera score

-

111

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
WLAN DLNA

-

Yes
USB

microUSB 2.0

Type-C 3.1
USB On-The-Go

-

Yes
Bluetooth

v4.1

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
SBAS

-

Yes