Samsung Galaxy A21s vs OPPO A91 Specs Comparison

Availability

Officially announced
May 15, 2020	Dec 20, 2019
Prices (MSRP)
€240

Design

Dimensions
6.44 x 2.96 x 0.35 inches 163.7 x 75.3 x 8.9 mm	6.31 x 2.89 x 0.31 inches 160.2 x 73.3 x 7.9 mm
Weight
6.77 oz / 192.0 g	6.07 oz / 172.0 g
Materials
	Back: Plastic Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key
Colors
Black, White, Blue, Red	Lightening Black, Unicorn White, Blazing Blue

Display

Size
6.5-inch, 82.94% screen-to-body	6.4-inch, 84.05% screen-to-body
Type
TFT	AMOLED, 60Hz
Resolution
1600x720px, 20:9 ratio, 270 PPI	2400x1080px, 20:9 ratio, 411 PPI
Protection
	Corning Gorilla Glass 5

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
4.6 (Poor)	Untested

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Samsung Exynos 850	Mediatek Helio P70 MT6771V (12 nm)
Processor
Octa-core 8x2.0GHz Cortex-A55	Octa-core 2100 MHz Cortex-A73
GPU
Mali-G76	Mali-G72 MP3
Memory
3GB (LPDDR4)/32GB (eMMC 5.1) 4GB/64GB 6GB/64GB	4GB (LPDDR4)/128GB (UFS 2.1) 8GB/128GB
Storage expansion
microSDXC up to 512 GB	microSDXC
OS
Android (10)	Android (9.0 Pie)

Battery

Type
5000 mAh, Li - Polymer	4025 mAh, Li - Polymer
Charging
Fast charging	SuperVOOC 3.0
Charge speed
	Wired: 20.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

11h 9min

Gaming

7h 48min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Dual camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	48 MP (PDAF) Aperture size: F1.8 Focal length: 26mm (wide) mm Sensor size: 1/2.3" Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/1.4" Pixel size: 1.12 μm
Third camera
2 MP (Macro) Aperture size: F2.4	2 MP (Macro) Aperture size: F2.4 Sensor size: 1/1.5" Pixel size: 1.75 μm
Fourth camera
2 MP (Depth information) Aperture size: F2.4	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)	1080p (30 fps) HDR, Time-lapse video, EIS
Front
13 MP Video capture: 1080p	16 MP Video capture: 720p (30 fps)

Connectivity & Features

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

Cellular

4G (FDD) Bands
1, 2, 3, 5, 7, 8, 20, 28	1, 3, 5, 7, 8
4G (TDD) Bands
38, 40, 41	38, 40, 41
3G Bands
1, 2, 5, 8	1, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes	No
SIM type
Nano SIM	Nano SIM

Alternative variants

with 4GB RAM

Memory	4GB/64GB

Comes with 8GB RAM

Memory	8GB

with 6GB RAM

Memory	6GB/64GB

Discover more

Full Specs Samsung Galaxy A21s Specs PA Review Samsung Galaxy A21s Review

Full Specs OPPO A91 Specs