Xiaomi Mi A1 vs Vivo Y91
Key Feature Comparison
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At a Glance
Show differences only
Octa core, 2 GHz, Cortex A53
Octa core, 2 GHz, Cortex A53
3080 mAh
4030 mAh
5.5 inches
6.22 inches
Dual, 12MP + 12MP
Dual, 13MP + 2MP
4G
4G
Detailed Specs
Screen Size
5.5 inches
6.22 inches
Screen Type
IPS LCD
IPS LCD
Screen Resolution
1080 x 1920 pixels
720 x 1520 pixels
Pixel Density
401 ppi
270 ppi
Screen Protection
Corning Gorilla Glass
-
Screen to Body Ratio
70.63%
88.60%
Screen Quality
FHD
-
Screen Design
-
Waterdrop notch
Phone Variants
4GB 64GB
3GB 32GB, 2GB 32GB
Expandable Storage
Yes
Yes
RAM Type
LPDDR3
LPDDR3
Storage Type
eMMC 5.1
eMMC 5.1
Expandable Storage Capacity
Yes, 128 GB
Yes, 256 GB
OTG Support
Yes
Yes
Sensors
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Operating System
Android v7.1.2 (Nougat)
Android v8.1 (Oreo)
GPU
Adreno 506
PowerVR GE8320
Chipset
Qualcomm Snapdragon 625 MSM8953
MediaTek Helio P22
CPU
Octa core, 2 GHz, Cortex A53
Octa core, 2 GHz, Cortex A53
Custom User Interface
Android One
Funtouch OS
Clock Speed
2 GHz
2 GHz
Architecture
64 bit
64 bit
Process Technology
14 nm
12 nm
Battery Capacity
3080 mAh
4030 mAh
Battery Removable
No
No
Battery Type
Li-ion
Li-ion
USB Type-C
Yes
No
Announced On
5-Sep-17
5-Nov-18
Market Status
Available
Available
Brand
Xiaomi
Vivo
Model Number
MD12
-
Price Status
Confirmed
Confirmed
Price
Rs. 11,490
Rs. 8,499
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Active noise cancellation with dedicated mic
Active noise cancellation with dedicated mic
NFC
No
-
Network Support
4G
4G
Bluetooth
Yes
Yes
FM Radio
No
Yes
3.5mm Audio Jack
Yes
Yes
SIM Size
SIM1: Nano, SIM2: Nano (Hybrid)
SIM1: Nano, SIM2: Nano
Wi-Fi
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, b/g/n
Bluetooth Type
v4.2
v5.0
Audio Jack
3.5 mm
3.5 mm
SIM Slot(s)
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
eSIM
No
No
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot
Mobile Hotspot
VoLTE
Yes
Yes
SIM 1 Bands
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
SIM 2 Bands
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
Front Video Recording
1080p30fps
-
Front Camera Setup
Single, 5MP
Single, 8MP
Front Camera 1 Resolution
5 MP
8 MP
Front Camera 1 Type
f/2.0, Primary Camera
f/1.8 Primary Camera
Front Aperture
f/2.0
f/1.8
Front Flash
-
Yes, Screen flash
Weight
165 grams
163.5 grams
Colors
Black, Gold, Red, Rose Gold
Ocean Blue, Starry Black
Build
Case: Metal, Back: Metal
Back: Plastic
Dimensions
155.4 x 75.8 x 7.3 mm
155.1 x 75 x 8.2 mm
SAR Value
Head: 1.26 W/kg, Body: 0.17 W/kg
Head: 1.283 W/kg, Body: 0.609 W/kg
OIS
No
-
Rear Flash
Yes, Dual-color LED Flash
Yes, LED Flash
Rear Video Recording
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 120 fps
1920x1080 @ 30 fps
Rear Camera Features
Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Dual, 12MP + 12MP
Dual, 13MP + 2MP
Rear Camera 1 Resolution
12 MP
13 MP
Rear Camera 1 Type
f/2.2, Primary Camera
f/2.2 Primary Camera
Rear Camera 1 Lens
1.25 micrometre pixel size
-
Rear Camera 2 Resolution
12 MP
2 MP
Rear Camera 2 Type
, Telephoto Camera
f/2.4, Depth Camera
Rear Aperture
f/2.2
f/2.2
Rear Sensor
-
CMOS image sensor
Fingerprint Scanner
Yes
Yes
Fingerprint Scanner Position
Rear
Rear
Face Unlock
-
Yes