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Oppo A91
Oppo · phone

A91

Samsung Galaxy A8 (2018)
Samsung · phone

Galaxy A8 (2018)

3

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Launch

2
Announced
2019-12-20
2017-12-12
Status
Available
Available

Network

4
2G bands
  • P-GSM-900
  • GSM-850
  • DCS-1800
  • T-GSM-900
  • R-GSM-900
  • E-GSM-900
  • R-GSM-900
  • P-GSM-900
  • T-GSM-900
  • E-GSM-900
  • DCS-1800
  • GSM-850
3G bands
  • B2 (1900 MHz)
  • B25 (1900 MHz)
  • B26 (850 MHz)
  • B5 (850 MHz)
  • B25 (1900 MHz)
  • B8 (900 MHz)
  • B2 (1900 MHz)
  • B5 (850 MHz)
  • B26 (850 MHz)
4G bands
  • B28 (700 MHz)
  • B38 (2600 MHz)
  • B7 (2600 MHz)
  • B40 (2300 MHz)
  • B5 (850 MHz)
  • B8 (900 MHz)
  • B20 (800 MHz)
  • B1 (2100 MHz)
  • B38 (2600 MHz)
  • B5 (850 MHz)
  • B7 (2600 MHz)
  • B19 (850 MHz)
  • B17 (700 MHz)
  • B28 (700 MHz)
  • B4 (1700 MHz)
  • B18 (850 MHz)
SIM
  • Dual SIM (Nano-SIM)
  • Single SIM (Nano-SIM)
  • Dual SIM (Nano-SIM)

Body

9
Height
160.2 mm
149.2 mm
Width
73.3 mm
70.6 mm
Thickness
7.9 mm
8.4 mm
Weight
172 g
172 g
Colors
  • Unicorn White
  • Red
  • Blazing Blue
  • Lightening Black
  • Black
  • Gold
  • orchid grey
  • Blue
Back material
Plastic
Glass
Frame material
Plastic
Aluminum
QWERTY keyboard
✕ No
✕ No
Protection
–
IP68

Platform

2
OS
Android 9.0 Pie
Android 7.1 Nougat
Chipset
Helio P70
Exynos 7884

Memory

3
Memory
  • 4GB RAM, 128GB
  • 8GB RAM, 128GB
  • 8GB RAM, 256GB
  • 4GB RAM, 32GB
  • 4GB RAM, 64GB
  • 6GB RAM, 64GB
Card slot
microSDXC
microSDXC
Dedicated card slot
✓ Yes
✓ Yes

Display

8
Size
6.4"
5.6"
Resolution width
1080 px
1080 px
Resolution height
2400 px
2220 px
Pixel density
408 ppi
441 ppi
High refresh rate
✕ No
✕ No
Display area
100.4 cm²
79.6 cm²
Screen-to-body ratio
85.5%
75.6%
Technology
AMOLED
Super AMOLED

Main camera

5
Cameras
  • 48MP, f/2, wide, PDAF
  • 8MP, ultrawide
  • 2MP, depth
  • 2MP, standard
  • 16MP, f/1.8, wide, PDAF
Flash
LED
LED
Video
1080p@30fps
1080p@30fps
HDR
✓ Yes
✓ Yes
Panorama
✓ Yes
✓ Yes

Selfie camera

4
Cameras
  • 16MP, wide, AF
  • 16MP, wide, AF
  • 8MP, standard
Video
1080p@30fps
1080p@30fps
HDR
✓ Yes
✕ No
Pop-up camera
✕ No
✕ No

Sound

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

Sensors

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

Connectivity

7
Wi-Fi
  • 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)
  • 802.11b (1–11 Mbit/s)
  • Wi‑Fi 6 (802.11ax) (600–9608 Mbit/s)
  • Wi‑Fi 4 (802.11n) (72–600 Mbit/s)
  • 802.11g (6–54 Mbit/s)
  • Wi‑Fi 6E (802.11ax) (600–9608 Mbit/s)
  • Wi‑Fi 5 (802.11ac) (433–6933 Mbit/s)
  • 802.11a (6–54 Mbit/s)
Bluetooth
Bluetooth 4.2
Bluetooth 5.0
USB
USB Type-C 2.0
USB Type-C 2.0
GPS
✓ Yes
✓ Yes
NFC
✕ No
✓ Yes
Infrared port
✕ No
✕ No
FM radio
✓ Yes
✓ Yes

Battery

5
Capacity
4025 mAh
3000 mAh
Type
Li-Po
Li-ion
Charging power
20 W
18 W
Removable
✕ No
✕ No
Wireless charging
✕ No
✕ No