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Xiaomi Redmi Note 4 vs vivo Y91

Summary
70%
68%
Performance

Snapdragon 625

4 GB RAM

MediaTek Helio P22

2 GB RAM

Display

5.5" (13.97 cm)

1080x1920 px (FULL HD)

6.22" (15.8 cm)

720x1520 px (HD+)

Rear Camera

13 MP

Single Camera

13 MP + 2 MP

Dual Camera

Front Camera

5 MP

Single Camera

8 MP

Single Camera

Battery

4100 mAh

4030 mAh

Storage

64 GB

128 GB (Expandable)

32 GB

256 GB (Expandable)

Expert Rating

4.0/5

Read Expert Review

User Rating

★★★★★
★★★★★

4.4/5 based on 1,336,364 ratings

Read All User Reviews

★★★★★
★★★★★

4.4/5 based on 6,555 ratings

Read All User Reviews

Compare Prices
Rs. 8,999 @Amazon Buy
Not available in any other store
Rs. 8,990 @Amazon Buy
Not available in any other store
General
Launch Date

January 23, 2017 (Official)

January 14, 2019 (Official)

Operating System

Android v6.0.1 (Marshmallow)

Android v8.1 (Oreo)

Custom UI

MIUI

Funtouch OS

Performance
Good
Average
Chipset

Qualcomm Snapdragon 625 MSM8953

MediaTek Helio P22

CPU

Octa core, 2 GHz, Cortex A53

Octa core, 2 GHz, Cortex A53

Architecture

64 bit

64 bit

Graphics

Adreno 506

PowerVR GE8320

RAM

4 GB

2 GB

RAM Type

LPDDR3

LPDDR3

Display
Good
Average
Display Type

IPS LCD

IPS LCD

Screen Size

5.5 " (13.97 cm)

6.22 " (15.8 cm)

Resolution

1080x1920 px (FULL HD)

720x1520 px (HD+)

Aspect Ratio

19:9

Pixel Density

401 ppi

Screen to Body Ratio (calculated)

72.5 %

82.6 %

Bezel-less display

with waterdrop notch

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen, Multi-touch

Screen to Body Ratio (claimed by the brand)

88.6 %

Design
Size Compare
Size Compare
Dimensions

Height: 151 mm
Width: 76 mm
Thickness: 8.4 mm

Height: 155.1 mm
Width: 75 mm
Thickness: 8.2 mm

Weight

165 grams

163.5 grams

Build Material

Case: Metal
Back: Metal

Back: Plastic

Colours

Black, Gold, Grey, Lake Blue

Ocean Blue, Starry Black

Camera
Main Camera
Camera Setup

Single

Dual

Resolution

13 MP f/2.0, Primary Camera(1.12µm pixel size)

13 MP f/2.2, Primary Camera
2 MP f/2.4, Depth Camera

Sensor

IMX258, Back-illuminated sensor (BSI), Exmor-RS CMOS Sensor

CMOS image sensor

Autofocus

, Phase Detection autofocus

, Phase Detection autofocus

OIS

No

Flash

, Dual-color LED Flash

, LED Flash

Image Resolution

4128 x 3096 Pixels

4128 x 3096 Pixels

Settings

Exposure compensation, ISO control

Exposure compensation, ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)

Continuous Shooting
High Dynamic Range mode (HDR)

Camera Features

Digital Zoom
Auto Flash
Face detection
Touch to focus

Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording

1920x1080 @ 30 fps
1280x720 @ 120 fps

1920x1080 @ 30 fps

Front Camera
Average
Very Good
Camera Setup

Single

Single

Resolution

5 MP f/2.0, Primary Camera

8 MP f/1.8, Primary Camera

Sensor

CMOS

Flash

No

, Screen flash

Camera Features

Fixed Focus

Video Recording

1280x720 @ 30 fps

Battery
Good
Good
Capacity

4100 mAh

4030 mAh

Type

Li-Polymer

Li-ion

Removable

No

No

USB Type-C

No

No

Storage
Best in Class
Best in Class
Internal Memory

64 GB

32 GB

Expandable Memory

, Up to 128 GB

, Up to 256 GB

User Available Storage

Up to 53.6 GB

USB OTG

Network & Connectivity
SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

SIM Size

SIM1: Micro
SIM2: Nano (Hybrid)

SIM1: Nano
SIM2: Nano

Network Support

5G Not Supported in India, 4G Supported in India, 3G, 2G

5G Not Supported in India, 4G Supported in India, 3G, 2G

VoLTE

SIM 1

4G Bands:
TD-LTE 2300(band 40)
FD-LTE 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
Read More..

SIM 2

4G Bands:
TD-LTE 2300(band 40)
FD-LTE 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
Read More..

SAR Value

Head: 1.6 W/kg, Body: 0.375 W/kg

Head: 1.283 W/kg, Body: 0.609 W/kg

Wi-Fi

, Wi-Fi 4 (802.11 a/b/g/n)

, Wi-Fi 4 (802.11 b/g/n)

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Mobile Hotspot

Bluetooth

, v4.1

, v5.0

GPS

with A-GPS, Glonass

with A-GPS, Glonass

NFC

No

USB Connectivity

Mass storage device, USB charging, microUSB 2.0

Mass storage device, USB charging, microUSB 2.0

Multimedia
FM Radio

, Recording option

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

Sensors
Fingerprint Sensor

Fingerprint Sensor Position

Rear

Rear

Other Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Applications

Explorer, Mi Cloud, Mi Remote

Price list

Rs. 8,999
Buy Now
Rs. 8,990
Buy Now