Select City

Samsung Galaxy M12 vs OPPO A31 vs Xiaomi Redmi 9

Key Feature Comparison

6.4

Samsung Galaxy M12

Check Price
close
6.5

Xiaomi Redmi 9

Check Price
close

At a Glance

Show differences only

Octa core, 2 GHz, Cortex A55

Samsung Exynos 8 Octa 850, Mali-G52 MP1

Octa core, 2.3 GHz, Cortex A53

MediaTek Helio P35, PowerVR GE8320

Octa core, 2.3 GHz, Cortex A53

MediaTek Helio G35, PowerVR GE8320

6000 mAh

Li-ion, Fast, 15W

4230 mAh

Li-Polymer

5000 mAh

Li-Polymer

6.5 inches

270 ppi

6.5 inches

270 ppi

6.53 inches

269 ppi

Quad, 48MP + 5MP + 2MP + 2MP

1920x1080 @ 30 fps

Triple, 12MP + 2MP + 2MP

1920x1080 @ 30 fps, 1280x720 @ 30 fps

Dual, 13MP + 2MP

1920x1080 @ 30 fps, 1280x720 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

Detailed Specs

Screen Size

6.5 inches
6.5 inches
6.53 inches

Screen Type

TFT
IPS LCD
IPS LCD

Screen Resolution

720 x 1600 pixels
720 x 1600 pixels
720 x 1600 pixels

Pixel Density

270 ppi
270 ppi
269 ppi

Aspect Ratio

20:09
20:09
20:09

Screen to Body Ratio

81.95%
89%
81.08%

Screen Design

Waterdrop notch
Waterdrop notch
Waterdrop notch

Screen Refresh Rate

90 Hz
-
-

Screen Protection

-
Gorilla Glass 3
Gorilla Glass 3

Peak Brightness

-
480 nits
400 nits

Phone Variants

4GB 64GB, 6GB 128GB
4GB 64GB, 6GB 128GB
4GB 128GB, 4GB 64GB

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Storage Type

eMMC 5.1
eMMC 5.1
eMMC 5.1

Expandable Storage Capacity

Yes, 1 TB
Yes, 256 GB
Yes, 512 GB

OTG Support

Yes
Yes
Yes

Sensors

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

Operating System

Android v11
Android v9.0 (Pie)
Android v10 (Q)

GPU

Mali-G52 MP1
PowerVR GE8320
PowerVR GE8320

Chipset

Samsung Exynos 8 Octa 850
MediaTek Helio P35
MediaTek Helio G35

CPU

Octa core, 2 GHz, Cortex A55
Octa core, 2.3 GHz, Cortex A53
Octa core, 2.3 GHz, Cortex A53

Custom User Interface

Samsung One UI
ColorOS
MIUI

Clock Speed

2 GHz
2.3 GHz
2.3 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

8 nm
12 nm
12 nm

Battery Capacity

6000 mAh
4230 mAh
5000 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-Polymer
Li-Polymer

Charger Type

Fast, 15W
-
-

USB Type-C

Yes
No
No

Fast Charging

Yes
-
-

Announced On

17-Mar-21
13-Feb-20
27-Aug-20

Market Status

Available
Available
Available

Brand

Samsung
OPPO
Xiaomi

Model Number

SM-M127GZKGINS/SM-M127G/DS
CPH2015
M2006C3MII

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 10,999
Rs. 10,990
Rs. 8,319

GPS

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

NFC

No
No
Yes

Network Support

4G
4G
4G

Bluetooth

Yes
Yes
Yes

3.5mm Audio Jack

Yes
Yes
Yes

SIM Size

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

Wi-Fi

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

Bluetooth Type

v5.0
v5.0
v5.0

Audio Jack

3.5 mm
3.5 mm
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM, Dual VoLTE

eSIM

No
No
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot

VoLTE

Yes
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) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 1900 / 2100 / 850...
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...
4G Bands: TD-LTE 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 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
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...
4G Bands: TD-LTE 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
1920x1080 @ 30 fps, 1280x720 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps

Front Camera Features

HDR
HDR
HDR

Front Camera Setup

Single, 8MP
Single, 8MP
Single, 5MP

Front Camera 1 Resolution

8 MP
8 MP
5 MP

Front Camera 1 Type

f/2.2 Primary Camera
f/2.0 Primary Camera
f/2.2 Primary Camera

Front Aperture

f/2.2
f/2.0
f/2.2

Front Flash

No
-
Yes, Screen flash

Front Camera 1 Lens

-
4.0" sensor size, 1.12 micrometre pixel size
1.12 micrometre pixel size

Weight

221 grams
180 grams
194 grams

Colors

Black, Blue, White
Mystery Black, Fantasy White, Lake Green
Sporty Orange, Sky Blue, Carbon Black

Build

Back: Plastic
Back: Plastic
Back: Plastic

Dimensions

164 x 75.9 x 9.7 mm
163.9 x 75.5 x 8.3 mm
164.9 x 77 x 9 mm

OIS

No
-
-

Rear Flash

Yes, LED Flash
Yes, LED Flash
Yes, LED Flash

Rear Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps

Rear Camera Features

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

Rear Camera Setup

Quad, 48MP + 5MP + 2MP + 2MP
Triple, 12MP + 2MP + 2MP
Dual, 13MP + 2MP

Rear Camera 1 Resolution

48 MP
12 MP
13 MP

Rear Camera 1 Type

f/2.0 (upto 10x Digital Zoom), Wide Angle (80 degree field-of-view) Primary Camera
f/1.8, Wide Angle Primary Camera
f/2.2 Primary Camera

Rear Camera 1 Lens

2" sensor size, 0.8 micrometre pixel size
2.86" sensor size, 1.25 micrometre pixel size
-

Rear Camera 2 Resolution

5 MP
2 MP
2 MP

Rear Camera 2 Type

f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.4, Depth Camera
f/2.4, Depth Camera

Rear Camera 2 Lens

4.0" sensor size, 1.12 micrometre pixel size
-
-

Rear Camera 3 Resolution

2 MP
2 MP
-

Rear Camera 3 Type

f/2.4, Macro Camera
f/2.4, Macro Camera
-

Rear Camera 4 Resolution

2 MP
-
-

Rear Camera 4 Type

f/2.4, Depth Camera
-
-

Rear Sensor

ISOCELL Plus
-
-

Rear Aperture

f/2.0
f/1.8
f/2.2

Rear Camera 3 Lens

-
5.0" sensor size, 1.75 micrometre pixel size
-

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

Side
Rear
Rear

Face Unlock

Yes
Yes
Yes

You May Also Read

Vivo Mobile Price List
Xiaomi Mobile Price List
New Upcoming Mobile Phones June 2023
Best Mobile Phones Under 50000
Best Mobile Phones Under 45000

Recent News

Tecno Go Spark 2 Launch In India Announcement: The Best Phone Under 7K?
24th Jun 2025
Poco F7 Launches In India With A Monster 7,550mAh Battery
24th Jun 2025
Vivo T4 Lite 5G Launched Today At A Price Below Rs 10,000
24th Jun 2025
iPhone 17 Display Leaks: Bigger 6.3-Inch Screen Confirmed
24th Jun 2025
iOS 26 Beta 2 Live : Read How To Download?
24th Jun 2025

Tips & Tricks

Facing iOS 26 Heating Issues? Here Is What You Should Do
13th Jun 2025
How to Downgrade from iOS 26 to iOS 18: Complete Step-by-Step Guide
11th Jun 2025
How To Use FaceTime On iPhone: Simple Guide For Beginners
10th Jun 2025
How To Change Your Reddit Username: Full Guide
9th Jun 2025
How To Know Your Digipin? Step-by-Step Guide
9th Jun 2025

Popular Leaks

POCO F7 Specs Leak, Will Launch With 7000mAh Battery
12th Jan 2025
iQOO and POCO to Enter Offline Market in India; Here’s When
23rd Nov 2021
OPPO Reno 14 Pro Leaks: New Design, Camera Details And Launch Hints
10th Apr 2025
OnePlus Nord 5 And Nord CE 5 Launch Leaks: Launch Timeframe, Specs
8th Jun 2025
Here’s How You Can Claim OnePlus 3, 3T, 5, 5T, 6, 6T Free Battery Replacement Offer in India
27th Aug 2021