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Model

Compare BLU J4 and Oppo Reno 4 Z 5G

BLU J4 vs Oppo Reno 4 Z 5G

BLU J4

Oppo Reno 4 Z 5G

Oppo Reno 4 Z 5G

BLU J4

Oppo Reno 4 Z 5G

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
4G network

-

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66
5G network

-

5G 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA
HSDPA speed

21.1 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

11.5 Mbps
LTE speed

-

LTE-A
5G speed

-

3.5 Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2019-10

2020-09
Status

2019-10

2020-10

Design
Build

Plastic

Glass, aluminium alloy
SIM

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

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

151 mm

163.8 mm
Width

72.3 mm

75.5 mm
Thickness

10 mm

8.1 mm
Weight

158 g

184 g
Colors

Black, Blue, Brown

Black, White

Display
Display type

IPS LCD capacitive touchscreen

LTPS IPS LCD
Physical size

5.5 inches

6.57 inches
Resolution

720 x 1440 pixels

1080 x 2400 pixels
Pixel density

293 ppi

401 ppi
Display colors

16777216

16777216
Protection

-

Corning Gorilla Glass 3, LTPS (Low Temperature PolySilicon)
Multitouch

Yes

-
Display features

-

120Hz, 480 nits (typ)

Hardware
CPU

-

Octa-core
CPU

Quad-core 1.3 GHz Cortex-A7

Quad-core 2.0 GHz Cortex-A76
CPU(second)

quad-core 2.0 GHz Cortex-A55
Chipset

-

MediaTek MT6873V Dimensity 800 5G
GPU

Mali-400

Mali-G57 MC4
Memory RAM

1 GB

8 GB
Internal storage

32 GB

128 GB
Memory card

microSD, microSDHC, microSDXC

No
Memory card max

64 GB

-
Storage

eMMC 5.1

UFS 2.1

OS
OS

Android 8.1 Oreo Go Edition

Android 10, ColorOS 7.2

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) , 8 MP, f/2.2 , 119˚ , 1/4.0" , 1.12 µm
(macro) , 2 MP, f/2.4
(depth) , 2 MP, f/2.4
Primary camera resolution

-

8000 x 6000 pixels
Primary camera video

720p@30fps

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

LED flash

LED flash
Camera features

-

Autofocus, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus

Selfie camera
Selfie camera type

-

Dual
Selfie camera

8 MP

16 MP, (wide) , f/2.0 , 26 mm, 1/3.06" , 1.0 µm
(depth) , 2 MP, f/2.4
Selfie camera resolution

-

4608 x 3456 pixels
Selfie camera features

-

Face unlock, HDR
Selfie camera video

720p@30fps

1080p@30fps

Sound
3.5mm jack

Yes

Yes
Loudspeaker

Yes

Yes
Earpiece

Yes

Yes

Multimedia
Radio

FM Radio

No

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

v5.1
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
QZSS

-

Yes

Features
Sensors

Accelerometer

Accelerometer, compass, fingerprint, gyroscope, proximity

Browser
HTML

HTML5

HTML5

Battery
Battery type

Li-Po

Li-Po
Battery capacity

2200 mAh

4000 mAh
Battery removable

Removable

Non-removable
Fast battery charging

-

VOOC 3.0

Cost
Price

75 USD

450 USD

Tests and performance
Antutu

-

325776 (v8)

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