vivo Y91 vs Samsung Galaxy A20 Specs Comparison

Design

Dimensions
6.11 x 2.96 x 0.33 inches 155.11 x 75.09 x 8.28 mm	6.24 x 2.94 x 0.31 inches 158.4 x 74.7 x 7.8 mm
Weight
5.77 oz (163.5 g)	5.96 oz (169.0 g)
Materials
	Back: Plastic
Biometrics
Fingerprint (touch)	2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Blue	Black,Deep blue, Red

Display

Size
6.2-inch	6.4-inch
Resolution
1520x720px, 270 PPI	1560x720px, 19.5:9 ratio, 268 PPI
Technology
IPS LCD	Super AMOLED
Refresh rate
	60Hz
Screen-to-body
82.76 %	84.95 %
Colors
16 777 216
Features
Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
MediaTek Helio P22 MT6762 (12 nm)	Samsung Exynos 7884 (14 nm)
Processor
Octa-core 2000 MHz ARM Cortex-A53	Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53
GPU
IMG PowerVR GE8320	Mali-G71 MP2
RAM
2GB	3GB (LPDDR4)
Internal storage
32GB	32GB, available to use: 20.3 GB
Storage expansion
microSDXC up to 256 GB	microSDXC up to 512 GB
OS
Android (8.1 Oreo), Funtouch UI	Android (11, 10, 9.0 Pie), Samsung One UI

Battery

Capacity
4030 mAh	4000 mAh
Charging
	Samsung Adaptive Fast Charging

Camera

Rear
Dual camera	Dual camera
Main camera
13 MP (PDAF) Aperture size: F2.2	13 MP (Autofocus) Aperture size: F1.9 Focal length: 27 mm Sensor size: 1/3.1" Pixel size: 1.12 μm
Second camera
2 MP (Depth information) Aperture size: F2.4	5 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/5" Pixel size: 1.12 μm
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Time-lapse video, Video calling, Video sharing	1920x1080 (Full HD) (30 fps)
Front
8 MP	8 MP

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 b,g,n Hotspot, Wi-Fi Direct	802.11 a,b,g,n,ac Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 1(2100)	Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM	Nano SIM

Phone Features

Notifications
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval
	Date approved: Jun 19, 2019 FCC ID value: A3LSMA205U
Measured SAR
Head: 1.28 W/kg Body: 0.61 W/kg	Head: 1.09 W/kg Body: 0.60 W/kg Simultaneous Transmission: 1.37 W/kg Wireless Router: 1.00 W/kg Phablet: 3.94 W/kg

Buyers information

MSRP
	$ 250
In The Box
Documentation, micro USB to USB cable, USB power adapter, SIM ejector, Protective case, Protective film (applied)

Alternative variants

for T-Mobile and Metro

4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
4G (TDD)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

for Verizon, Sprint, Virgin Mobile and Boost Mobile

4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 71(600)
4G (TDD)	Bands 41(2600+)
3G	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

for US Cellular

4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 66(AWS-3), 71(600)
3G	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

Links

Full specifications
vivo Y91 Specs	Samsung Galaxy A20 Specs
User Reviews
	Samsung Galaxy A20 User Reviews