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Model

Compare Oppo A91 and Plum Tag 3G

Oppo A91 vs Plum Tag 3G

Oppo A91

Plum Tag 3G

Oppo A91

Plum Tag 3G

Network
2G network

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

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 1700(AWS), 1900, 2100

HSDPA 850, 1900
4G network

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)

-
HSDPA speed

42.2 Mbps

-
HSUPA speed

11.5 Mbps

-
Speed Yes

-

Yes, 384 kbps
LTE speed

LTE-A

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2019-12

2018-3
Status

2019-12

2018-3

Design
Build

Aluminium alloy, glass

-
SIM

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

Dual SIM
Height

160.2 mm

126.5 mm
Width

73.3 mm

55 mm
Thickness

7.9 mm

15 mm
Weight

172 g

82 g
Colors

Dark blue, Blue, Red

Black, Gold

Display
Display type

AMOLED capacitive touchscreen

TFT
Physical size

6.4 inches

2.4 inches
Resolution

1080 x 2400 pixels

240 x 320 pixels
Pixel density

411 ppi

167 ppi
Display colors

16777216

262144
Protection

Scratch resistant

-
Multitouch

Yes

-

Hardware
CPU

Octa-core

-
CPU

Quad-core 2.1 GHz Cortex-A73
CPU(second)

quad-core 2.0 GHz Cortex-A53
Chipset

Mediatek MT6771V Helio P70

Spreadtrum 7701B
GPU

Mali-G72 MP3

-
Memory ROM

-

128 MB
Memory RAM

8 GB

64 MB
Internal storage

128 GB

-
Memory card

microSD, microSDHC, microSDXC

microSD
Memory card max

256 GB

32 GB
Phonebook

-

Yes
Call records

-

Yes

OS
OS

ColorOS 6.1 (Android 9.0 Pie)

-

Main camera
Camera type

Quad

-
Main camera

48 MP, f/1.8 , 26 mm, 1/2.0" , 0.8 µm

1.3 MP
8 MP, f/2.2 , 13 mm, 1/4.0" , 1.12 µm
2 MP, f/2.4 , 1/5" , 1.75 µm
2 MP, f/2.4 , 1/5" , 1.75 µm
Primary camera resolution

8000 x 6000 pixels

-
Primary camera video

2160p@30fps

video
Primary camera 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

Yes

Selfie camera
Secondary camera

-

No
Selfie camera

16 MP, f/2 , 26 mm, 1/3.1" , 1.0 µm
Selfie camera resolution

4608 x 3456 pixels

-
Selfie camera video

1080p@30fps

-

Sound
3.5mm jack

Yes

Yes
Loudspeaker

Yes

Yes
Notifications

-

Vibration, MP3, WAV ringtones
Earpiece

Yes

-

Multimedia
Radio

FM Radio

-
Radio FM

-

FM radio

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

-
WLAN WiFi Direct

Yes

-
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

-
USB

Type-C 1.0 reversible connector

microUSB 2.0
USB On-The-Go

Yes

-
Bluetooth

v5.0

v2.1
Bluetooth A2DP

Yes

-
bluetooth LE

Yes

-
Bluetooth EDR

-

Yes
GPS

Yes, with A-GPS

No
GLONASS

Yes

-
Beidou

Yes

-

Features
Messaging SMS

-

SMS
WAP

-

WAP 1.1
Java

-

No
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity, light

-

Browser
HTML

HTML5

-

Battery
Battery type

Li-Po

Li-Ion
Battery capacity

4025 mAh

800 mAh
Battery removable

Non-removable

Removable
Fast battery charging

VOOC Flash Charge 4.0 (50% in 30 min)

-
Talk time

-

4 h
Standby time

-

120 h

Cost
Price

290 USD

-

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