BLU Studio J8 vs Oppo Reno 3 5G

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 1700(AWS), 1900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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), 20(800), 26(850), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
5G network

-

5G band 1(2100), 41(2500), 78(3500), 79(4700); SA/NSA
HSDPA speed

21.1 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

-

LTE-A
5G speed

-

4.7 Gbps download, 2.5 Gbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

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

Dual SIM (Nano-SIM/ Micro-SIM)

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

155.7 mm

160.3 mm
Width

77.6 mm

74.3 mm
Thickness

8.9 mm

8 mm
Weight

183 g

181 g
Colors

Black, Gold, Rose Gold, Silver

Black, Blue, Sunrise, White

Display
Display type

IPS LCD capacitive touchscreen

AMOLED
Physical size

5.5 inches

6.4 inches
Resolution

720 x 1280 pixels

1080 x 2400 pixels
Pixel density

267 ppi

408 ppi
Display colors

16777216

16777216
Protection

-

Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 5
Multitouch

Yes

Yes
Display features

-

430 nits max brightness

Main camera
Camera type

-

Quad
Main camera

8 MP

8 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm
13 MP, f/2.2 , 1/3.2" , 1.4 µm
2 MP, f/2.4 , 1/5.0" , 1.75 µm
2 MP, f/2.4
Primary camera video

1080p@30fps

2160p@30fps, 1080p@30/60/120fps; gyro-EIS, OIS
Primary camera flash

LED flash

LED flash
Camera features

Geo-tagging, face detection, touch focus

Autofocus, continuous 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

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
USB host

Yes

-
Bluetooth

v4.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Email

Push Email

-
Java

No

-
Sensors

Fingerprint (rear-mounted), accelerometer, proximity

Accelerometer, compass, fingerprint, gyroscope, light, proximity