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Sharp Aquos S3 mini
Sharp · phone

Aquos S3 mini

Oppo A91
Oppo · phone

A91

3

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Launch

2
Announced
2018-03-12
2019-12-20
Status
Available
Available

Network

4
2G bands
  • P-GSM-900
  • GSM-850
  • T-GSM-900
  • R-GSM-900
  • E-GSM-900
  • DCS-1800
  • P-GSM-900
  • GSM-850
  • DCS-1800
  • T-GSM-900
  • R-GSM-900
  • E-GSM-900
3G bands
  • B8 (900 MHz)
  • B26 (850 MHz)
  • B25 (1900 MHz)
  • B2 (1900 MHz)
  • B5 (850 MHz)
  • B2 (1900 MHz)
  • B25 (1900 MHz)
  • B26 (850 MHz)
  • B5 (850 MHz)
4G bands
  • B8 (900 MHz)
  • B1 (2100 MHz)
  • B3 (1800 MHz)
  • B12 (700 MHz)
  • B5 (850 MHz)
  • B26 (850 MHz)
  • B41 (2500 MHz)
  • B28 (700 MHz)
  • B28 (700 MHz)
  • B38 (2600 MHz)
  • B7 (2600 MHz)
  • B40 (2300 MHz)
  • B5 (850 MHz)
  • B8 (900 MHz)
  • B20 (800 MHz)
  • B1 (2100 MHz)
SIM
  • Hybrid Dual SIM (Nano-SIM)
  • Dual SIM (Nano-SIM)

Body

9
Form factor
Bar
–
Height
142.7 mm
160.2 mm
Width
73 mm
73.3 mm
Thickness
7.8 mm
7.9 mm
Weight
140 g
172 g
Colors
  • Black/blue
  • Gold
  • Unicorn White
  • Red
  • Blazing Blue
  • Lightening Black
Back material
Glass
Plastic
Frame material
Aluminum
Plastic
QWERTY keyboard
✕ No
✕ No

Platform

2
OS
Android 7.1 Nougat
Android 9.0 Pie
Chipset
Snapdragon 630 (14 nm)
Helio P70

Memory

3
Memory
  • 6GB RAM, 64GB
  • 4GB RAM, 128GB
  • 8GB RAM, 128GB
  • 8GB RAM, 256GB
Card slot
microSDXC
microSDXC
Dedicated card slot
✓ Yes
✓ Yes

Display

8
Size
5.5"
6.4"
Resolution width
1080 px
1080 px
Resolution height
2040 px
2400 px
Pixel density
420 ppi
408 ppi
High refresh rate
✕ No
✕ No
Display area
80.7 cm²
100.4 cm²
Screen-to-body ratio
77.5%
85.5%
Technology
IGZO IPS LCD
AMOLED

Main camera

5
Cameras
  • 16MP, standard, PDAF
  • 48MP, f/2, wide, PDAF
  • 8MP, ultrawide
  • 2MP, depth
  • 2MP, standard
Flash
LED
LED
Video
1080p@30fps
1080p@30fps
HDR
✓ Yes
✓ Yes
Panorama
✓ Yes
✓ Yes

Selfie camera

4
Cameras
  • 20MP, f/2, wide
  • 16MP, wide, AF
Video
1080p@30fps
1080p@30fps
HDR
✕ No
✓ Yes
Pop-up camera
✕ No
✕ No

Sound

3
3.5mm jack
✓ Yes
✓ Yes
Stereo speakers
✕ No
✕ No
Loudspeaker
✓ Yes
✓ Yes

Sensors

7
Fingerprint
front-mounted
under display
Gyroscope
✓ Yes
✓ Yes
Compass
✓ Yes
✓ Yes
Barometer
✕ No
✕ No
Heart rate
✕ No
✕ No
Accelerometer
✓ Yes
✓ Yes
Proximity
✓ Yes
✓ Yes

Connectivity

7
Wi-Fi
  • 802.11b (1–11 Mbit/s)
  • 802.11g (6–54 Mbit/s)
  • Wi‑Fi 4 (802.11n) (72–600 Mbit/s)
  • 802.11b (1–11 Mbit/s)
  • Wi‑Fi 5 (802.11ac) (433–6933 Mbit/s)
  • Wi‑Fi 4 (802.11n) (72–600 Mbit/s)
  • Wi‑Fi 6E (802.11ax) (600–9608 Mbit/s)
  • 802.11a (6–54 Mbit/s)
  • 802.11g (6–54 Mbit/s)
  • Wi‑Fi 6 (802.11ax) (600–9608 Mbit/s)
Bluetooth
Bluetooth 4.2
Bluetooth 4.2
USB
  • USB Type-C 2.0
  • USB On-The-Go
USB Type-C 2.0
GPS
✓ Yes
✓ Yes
NFC
✕ No
✕ No
Infrared port
✕ No
✕ No
FM radio
✕ No
✓ Yes

Battery

5
Capacity
3020 mAh
4025 mAh
Type
Li-ion
Li-Po
Charging power
10 W
20 W
Removable
✕ No
✕ No
Wireless charging
✕ No
✕ No