OPPO A91 vs Nokia G21 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

OPPO A91 Nokia G21
Released · Dec 20, 2019
Released · Mar 14, 2022
6.4-inch · 2400x1080px
6.5-inch · 1600x720px
Dual camera
Triple camera
4GB · 128GB
3GB · 64GB
4025 mAh
5050 mAh
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Availability

Officially announced
Dec 20, 2019 Feb 14, 2022
Prices (MSRP)
€189

Design

Dimensions
6.31 x 2.89 x 0.31 inches
160.2 x 73.3 x 7.9 mm
6.48 x 2.99 x 0.33 inches
164.6 x 75.9 x 8.5 mm
Weight
6.07 oz / 172.0 g 6.70 oz / 190.0 g
Materials
Back: Plastic
Frame: Plastic
Back: Plastic
Frame: Plastic
Biometrics
Optical in-screen fingerprint Fingerprint (touch)
Keys
Left: Volume control; Right: Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Lightening Black, Unicorn White, Blazing Blue

Display

Size
6.4-inch, 84.05% screen-to-body 6.5-inch, 81.60% screen-to-body
Type
AMOLED, 60Hz IPS LCD, 90Hz
Resolution
2400x1080px, 20:9 ratio, 411 PPI 1600x720px, 20:9 ratio, 270 PPI
Protection
Corning Gorilla Glass 5

Hardware

System chip
Mediatek Helio P70 MT6771V (12 nm) Unisoc T606 (12 nm)
Processor
Octa-core
2100 MHz
Cortex-A73
Octa-core
2x1.6GHz Cortex-A75
6x1.6G​Hz Cortex-A55
GPU
Mali-G72 MP3 Mali-G57 MP1
Memory
4GB (LPDDR4)/128GB (UFS 2.1)
8GB/128GB
3GB/64GB
4GB/64GB
4GB/128GB
Storage expansion
microSDXC microSDXC
OS
Android (9.0 Pie) Android (11)

Battery

Type
4025 mAh, Li - Polymer 5050 mAh
Charging
SuperVOOC 3.0 USB Power Delivery
Charge speed
Wired: 20.0W Wired: 18.0W

Camera

Rear
Dual camera Triple camera
Main camera
48 MP (PDAF)
Aperture size: F1.8
Focal length: 26mm (wide) mm
Sensor size: 1/2.3"
Pixel size: 0.8 μm
50 MP (PDAF)
Second camera
8 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/1.4"
Pixel size: 1.12 μm
2 MP (Macro)
Third camera
2 MP (Macro)
Aperture size: F2.4
Sensor size: 1/1.5"
Pixel size: 1.75 μm
2 MP (Depth information)
Fourth camera
2 MP (Depth information)
Aperture size: F2.4
Sensor size: 1/3.1"
Pixel size: 1 μm
Flash
LED LED
Video recording
1080p (30 fps)
HDR, Time-lapse video, EIS
1080p (30 fps)
Front
16 MP
Video capture: 720p (30 fps)
8 MP
Video capture: 1080p (30 fps)

Connectivity & Features

Bluetooth
4.2 5.0
WLAN
Yes
Wi-Fi Direct, Hotspot
802.11 b, g, n, ac
dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
Type-C, USB 2.0 Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Ambient light sensor, Proximity sensor Accelerometer, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Other
NFC

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation Noise cancellation

Cellular

LTE Bands
1, 3, 5, 7, 8 1, 2, 3, 5, 7, 8, 20, 28
TDD Bands
38, 40, 41 38, 40, 41
3G Bands
1, 5, 8 1, 5, 8
Data Speed
LTE, HSDPA+ (4G) 42.2 Mbit/s LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
No
SIM type
Nano SIM Dual Nano SIM

Alternative variants

Comes with 8GB RAM
Memory 8GB
With 4GB RAM
Memory 4GB
With 4GB and 128GB internal storage
Memory 4GB/128GB
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