Select City
TECH500

Samsung Galaxy M31 vs Vivo Y81i

Key Feature Comparison

6.9

Samsung Galaxy M31

Check Price
close
Add more phone to compare

At a Glance

Show differences only

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

Quad core, 2 GHz, Cortex A53

MediaTek Helio A22, PowerVR GE8300

6000 mAh

Li-ion, Fast, 15W

3260 mAh

Li-ion

16.26 cm (6.4 inch)

403 ppi, FHD

15.80 cm (6.2 inch)

270 ppi

Quad, 64MP + 8MP + 5MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps

Single, 13MP

4G

Dual SIM, GSM+GSM, Dual VoLTE

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

16.26 cm (6.4 inch)
15.80 cm (6.2 inch)

Screen Type

Super AMOLED
IPS LCD

Screen Resolution

1080 x 2340 pixels
720 x 1520 pixels

Pixel Density

403 ppi
270 ppi

Aspect Ratio

19.5:9
-

Screen Protection

Gorilla Glass 3
Corning Gorilla Glass

Screen to Body Ratio

83.92%
82.66%

Screen Design

Regular notch
Regular notch

Screen Quality

FHD
-

Phone Variants

6GB 64GB, 8GB 128GB, 6GB 128GB
2GB 16GB

Expandable Storage

Yes
Yes

RAM Type

LPDDR4X
LPDDR3

Storage Type

UFS 2.1
eMMC 5.1

Expandable Storage Capacity

Yes, 512 GB
Yes, 256 GB

OTG Support

Yes
Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Operating System

Android v10 (Q)
Android v8.1 (Oreo)

GPU

Mali-G72 MP3
PowerVR GE8300

Chipset

Samsung Exynos 9 Octa 9611
MediaTek Helio A22

CPU

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Quad core, 2 GHz, Cortex A53

Custom User Interface

Samsung One UI
Funtouch OS

Clock Speed

2.3 GHz
2 GHz

Architecture

64 bit
-

Process Technology

10 nm
12 nm

Battery Capacity

6000 mAh
3260 mAh

Battery Removable

No
No

Battery Type

Li-ion
Li-ion

Charger Type

Fast, 15W
-

USB Type-C

Yes
No

Fast Charging

Yes
-

Announced On

25-Feb-20
5-Oct-18

Market Status

Available
Available

Brand

Samsung
Vivo

Model Number

SM-M315FZKDINS
-

Price Status

Confirmed
Confirmed

Price

Rs. 15,999
Rs. 9,800

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass

Audio Features

Dolby Atmos
Active noise cancellation with dedicated mic

NFC

No
-

Network Support

4G
4G

Bluetooth

Yes
Yes

FM Radio

Yes
Yes

3.5mm Audio Jack

Yes
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano

Wi-Fi

Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, b/g/n

Bluetooth Type

v5.0
v5.0

Audio Jack

3.5 mm
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM, Dual VoLTE
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 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
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 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
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

1920x1080 @ 30 fps
-

Front Camera Features

HDR
-

Front Camera Setup

Single, 32MP
Single, 5MP

Front Camera 1 Resolution

32 MP
5 MP

Front Camera 1 Type

f/2.0 Primary Camera
f/2.2, Depth Primary Camera

Front Camera 1 Lens

26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
-

Front Sensor

Exmor RS
-

Front Aperture

f/2.0
f/2.2

Front Flash

No
-

Weight

191 grams
143 grams

Colors

Black, Blue
Black, Gold

Build

Back: Plastic
Back: Plastic

Dimensions

159.2 x 75.1 x 8.9 mm
155 x 75 x 7.7 mm

SAR Value

Head: 0.383 W/kg
-

OIS

No
-

Rear Flash

Yes, LED Flash
Yes, LED Flash

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
-

Rear Camera Features

8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Quad, 64MP + 8MP + 5MP + 5MP
Single, 13MP

Rear Camera 1 Resolution

64 MP
13 MP

Rear Camera 1 Type

f/1.8 (upto 8x Digital Zoom) Primary Camera
f/2.2 Primary Camera

Rear Camera 1 Lens

26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
-

Rear Camera 2 Resolution

8 MP
-

Rear Camera 2 Type

f/2.2, Wide Angle, Ultra-Wide Angle Camera
-

Rear Camera 2 Lens

12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
-

Rear Camera 3 Resolution

5 MP
-

Rear Camera 3 Type

f/2.4, Macro Camera
-

Rear Camera 3 Lens

25 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size
-

Rear Camera 4 Resolution

5 MP
-

Rear Camera 4 Type

f/2.2, Depth Camera
-

Rear Sensor

ISOCELL Plus
CMOS image sensor

Rear Aperture

f/1.8
f/2.2

Fingerprint Scanner

Yes
No

Fingerprint Scanner Position

Rear
-

Face Unlock

Yes
-
Turn your old phone into cash

You May Also Read

Micromax Mobile Price List
Sony Mobile Price List
Lenovo Mobile Price List
Honor Mobile Price List
Asus Mobile Price List

Recent News

Samsung Galaxy S25 Ultra Price Drops By Rs 25121 After Galaxy S26 Ultra Launch
4th Mar 2026
MacBook Air M5 Launch: 4x AI Boost, Double Storage And Wi-Fi 7 Revealed
4th Mar 2026
Vijay Sales Holi Offer: OnePlus 15 Available Under 50000
3rd Mar 2026
Vivo X300 Ultra Launched At MWC 2026: See Price And Specs
3rd Mar 2026
Nothing Phone 4a Sale Will Begin From 7 March 2026: Pricing Confirmed
3rd Mar 2026

Tips & Tricks

How To Transfer Airtel eSIM From One Phone To Another
2nd Mar 2026
Google Pixel 10a Best Camera Settings: All Pro Mode Explained
25th Feb 2026
Best Camera Settings For iPhone 15
24th Feb 2026
How To Delete Snap Story: Simple Step-by-Step Guide
18th Feb 2026
How To Delete Contact From WhatsApp: Quick & Easy Steps In 2026!
17th Feb 2026

Popular Leaks

Samsung Galaxy S26 Price Confirmed: No Increase In 2026
13th Jan 2026
Honor Launches Robot Phone: The First Ever Phone With A Robotic Arm Is Here 
17th Oct 2025
Realme Big Announcements: 15T Launch And 15000mAh Battery Phone
29th Aug 2025
Exclusive: Nothing Phone 4a Starts At Rs 31,999 – 50MP 3.5x Telephoto, Snapdragon 7s Gen 4
2nd Mar 2026
Nothing Phone 4a First Look Revealed: Here Is The Design
24th Feb 2026