vivo Y91 vs Xiaomi Redmi 9A Specs Comparison

Design

Dimensions
6.11 x 2.96 x 0.33 inches 155.11 x 75.09 x 8.28 mm	6.49 x 3.03 x 0.35 inches 164.9 x 77.07 x 9 mm
Weight
5.77 oz (163.5 g)	6.91 oz (196.0 g)
Materials
	Back: Plastic
Materials & Colors
	Carbon grey, Sky blue, Ocean green
Biometrics
Fingerprint (touch)	2D Face unlock
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Blue

Display

Size
6.2-inch	6.5-inch
Resolution
1520x720px, 270 PPI	1600x720px, 20:9 ratio, 269 PPI
Technology
IPS LCD	IPS LCD
Screen-to-body
82.76 %	81.15 %
Colors
16 777 216
Features
Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
MediaTek Helio P22 MT6762 (12 nm)	MediaTek Helio G25 (12 nm)
Processor
Octa-core 2000 MHz ARM Cortex-A53	Octa-core 2000 MHz Arm Cortex-A53
GPU
IMG PowerVR GE8320	PowerVR GE8320
RAM
2GB	2GB (LPDDR4)
Internal storage
32GB	32GB (eMMC 5.1)
Storage expansion
microSDXC up to 256 GB	microSDXC
OS
Android (8.1 Oreo), Funtouch UI	Android (10)

Battery

Capacity
4030 mAh	5000 mAh
Type
	Li - Polymer
Charge speed
	Wired: 10.0W

Camera

Rear
Dual camera	Single camera
Main camera
13 MP (PDAF) Aperture size: F2.2	13 MP (PDAF)
Second camera
2 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Time-lapse video, Video calling, Video sharing	1920x1080 (Full HD) (60 fps)
Front
8 MP	5 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 b,g,n Hotspot, Wi-Fi Direct	802.11 b,g,n Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	microUSB, USB 2.0
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer
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
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 1(2100)	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Data Speed
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM
HD Voice
	Yes
VoLTE
	Yes

Phone Features

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

Regulatory Approval

Measured SAR
Head: 1.28 W/kg Body: 0.61 W/kg

Buyers information

In The Box
Documentation, micro USB to USB cable, USB power adapter, SIM ejector, Protective case, Protective film (applied)	Power adapter, 5V2A Charger, Micro-USB cable, SIM eject tool, Warranty card, User guide

Links

Full specifications
vivo Y91 Specs	Xiaomi Redmi 9A Specs
User Reviews
	Xiaomi Redmi 9A User Reviews