Redmi 9 Prime vs OPPO A12 vs Samsung Galaxy M31
Key Feature Comparison
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At a Glance
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Octa core (2 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)
Octa core, 2.3 GHz, Cortex A53
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
5020 mAh
4230 mAh
6000 mAh
6.53 inches
6.22 inches
6.4 inches
Quad, 13MP + 8MP + 5MP + 2MP
Dual, 13MP + 2MP
Quad, 64MP + 8MP + 5MP + 5MP
4G
4G
4G
Detailed Specs
Screen Size
6.53 inches
6.22 inches
6.4 inches
Screen Type
IPS LCD
IPS LCD
Super AMOLED
Screen Resolution
1080 x 2340 pixels
720 x 1520 pixels
1080 x 2340 pixels
Pixel Density
395 ppi
270 ppi
403 ppi
Aspect Ratio
19.5:9
-
19.5:9
Screen Protection
Gorilla Glass 3
Gorilla Glass 3
Gorilla Glass 3
Screen to Body Ratio
83.06%
89%
83.92%
Screen Design
Waterdrop notch
Waterdrop notch
Regular notch
Screen Quality
FHD
-
FHD
Peak Brightness
400 nits
450 nits
-
Phone Variants
4GB 128GB, 4GB 64GB
4GB 64GB, 3GB 32GB
6GB 64GB, 8GB 128GB, 6GB 128GB
Expandable Storage
Yes
Yes
Yes
RAM Type
LPDDR4X
LPDDR4X
LPDDR4X
Storage Type
eMMC 5.1
eMMC 5.1
UFS 2.1
Expandable Storage Capacity
Yes, 512 GB
Yes, 256 GB
Yes, 512 GB
OTG Support
Yes
Yes
Yes
Sensors
Light sensor, Proximity sensor, Accelerometer, Compass
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Operating System
Android v10 (Q)
Android v9.0 (Pie)
Android v10 (Q)
GPU
Mali-G52
PowerVR GE8320
Mali-G72 MP3
Chipset
MediaTek Helio G80
MediaTek Helio P35
Samsung Exynos 9 Octa 9611
CPU
Octa core (2 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)
Octa core, 2.3 GHz, Cortex A53
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Custom User Interface
MIUI
ColorOS
Samsung One UI
Clock Speed
2 GHz
2.3 GHz
2.3 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
12 nm
12 nm
10 nm
Battery Capacity
5020 mAh
4230 mAh
6000 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-ion
Li-ion
Charger Type
Fast, 18W
-
Fast, 15W
USB Type-C
Yes
No
Yes
Fast Charging
Yes
-
Yes
Announced On
4-Aug-20
20-Apr-20
25-Feb-20
Market Status
Available
Available
Available
Brand
Xiaomi
OPPO
Samsung
Model Number
M2004j19I/M2004J191/MZB9767IN
CPH2083
SM-M315FZKDINS
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 9,999
Rs. 7,990
Rs. 15,999
Water Resistance
Yes, Splash proof
-
-
Weight
198 grams
165 grams
191 grams
Colors
Space Blue, Mint Green, Sunrise Flare, Matte Black
Black, Blue
Black, Blue
Build
Back: Plastic
Back: Plastic
Back: Plastic
Dimensions
163.3 x 77 x 9.1 mm
155.9 x 75.5 x 8.3 mm
159.2 x 75.1 x 8.9 mm
SAR Value
Head: 0.854 W/kg, Body: 0.417 W/kg
Head: 1.160 W/kg, Body: 0.586 W/kg
Head: 0.383 W/kg
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Network Support
4G
4G
4G
Bluetooth
Yes
Yes
Yes
FM Radio
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, ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, 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 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 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 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...
SIM 2 Bands
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...
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 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...
NFC
-
No
No
Front Video Recording
1920x1080 @ 30 fps
-
1920x1080 @ 30 fps
Front Camera Features
HDR
HDR
HDR
Front Camera Setup
Single, 8MP
Single, 5MP
Single, 32MP
Front Camera 1 Resolution
8 MP
5 MP
32 MP
Front Camera 1 Type
f/2.0 Primary Camera
f/2.4 Primary Camera
f/2.0 Primary Camera
Front Camera 1 Lens
27 mm focal length
5.0" sensor size, 1.12 micrometre pixel size
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
Front Aperture
f/2.0
f/2.4
f/2.0
Front Sensor
-
CMOS
Exmor RS
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, LED Flash
Rear Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
Rear Camera Features
Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Touch to focus
8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Quad, 13MP + 8MP + 5MP + 2MP
Dual, 13MP + 2MP
Quad, 64MP + 8MP + 5MP + 5MP
Rear Camera 1 Resolution
13 MP
13 MP
64 MP
Rear Camera 1 Type
f/2.2, Wide Angle Primary Camera
f/2.2 Primary Camera
f/1.8 (upto 8x Digital Zoom) Primary Camera
Rear Camera 1 Lens
28 mm focal length, 3.1" sensor size, 1.12 micrometre pixel size
3" sensor size, 1.12 micrometre pixel size
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
Rear Camera 2 Resolution
8 MP
2 MP
8 MP
Rear Camera 2 Type
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.4, Depth Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
Rear Camera 2 Lens
4.0" sensor size, 1.12 micrometre pixel size
-
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
Rear Camera 3 Resolution
5 MP
-
5 MP
Rear Camera 3 Type
f/2.4, Macro Camera
-
f/2.4, Macro Camera
Rear Camera 4 Resolution
2 MP
-
5 MP
Rear Camera 4 Type
f/2.4, Depth Camera
-
f/2.2, Depth Camera
Rear Aperture
f/2.2
f/2.2
f/1.8
Rear Sensor
-
CMOS image sensor
ISOCELL Plus
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Rear
Rear
Rear
Face Unlock
Yes
Yes
Yes