vivo Y91 vs vivo X50 Specs Comparison

Design

Dimensions
6.11 x 2.96 x 0.33 inches 155.11 x 75.09 x 8.28 mm	6.28 x 2.97 x 0.30 inches 159.54 x 75.39 x 7.55 mm
Weight
5.77 oz (163.5 g)	6.16 oz (174.5 g)
Materials
	Back: Glass Frame: Aluminum
Biometrics
Fingerprint (touch)	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Blue	Frost blue, Glaze black

Display

Size
6.2-inch, 82.76% screen-to-body	6.6-inch, 86.92% screen-to-body
Type
IPS LCD	AMOLED, 90Hz, HDR
Resolution
1520x720px, 270 PPI	2376x1080px, 398 PPI
Colors
16 777 216

Hardware

System chip
MediaTek Helio P22 MT6762 (12 nm)	Snapdragon 765G SM7250-AB (7 nm)
Processor
Octa-core 2000 MHz ARM Cortex-A53	Octa-core Kryo 475
GPU
IMG PowerVR GE8320	Adreno 620
Memory
2GB/32GB	8GB (LPDDR4)/128GB (UFS 2.1) 8GB/256GB
Storage expansion
microSDXC up to 256 GB	not expandable
OS
Android (8.1 Oreo)	Android (10)

Battery

Type
4030 mAh	4200 mAh
Charging
	Fast charging
Charge speed
	Wired: 33.0W

Camera

Rear
Dual camera	Quad camera
Main camera
13 MP (PDAF) Aperture size: F2.2	48 MP (OIS, PDAF) Aperture size: F1.6 Focal length: 26 mm Pixel size: 0.8 μm
Second camera
2 MP (Depth information) Aperture size: F2.4	8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 16 mm Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	13 MP (Telephoto, PDAF) Optical zoom: 2.0x Aperture size: F2.5 Focal Length: 50 mm Sensor size: 1/2.8" Pixel size: 0.8 μm
Fourth camera
	5 MP (Macro) Aperture size: F2.5
Flash
LED	Dual LED
Video recording
1080p (30 fps) Time-lapse video, Video calling, Video sharing	4K UHD (30 fps), 1080p (30 fps) Time-lapse video, EIS
Front
8 MP	32 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.1
WLAN
b,g,n Hotspot, Wi-Fi Direct 802.11 b, g, n	a,b,g,n,ac,Wi-Fi 6,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
microUSB, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
VoIP, Tethering, Computer sync, OTA sync	NFC

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	aptX-HD
Screen mirroring
Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
	n1, n3, n28, n41, n77, n78, n79, SA, NSA, Sub-6
4G (FDD) Bands
1, 3, 5	1, 2, 3, 4, 5, 7, 8, 28
4G (TDD) Bands
38, 40, 41	34, 38, 39, 40, 41
3G Bands
5, 8, 1	1, 2, 4, 5, 8
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

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

Alternative variants

with 256GB storage

Memory	256GB

Links

Full specifications
vivo Y91 Specs	vivo X50 Specs