Samsung Galaxy M31 vs Realme X2 vs Nokia 8.1
Key Feature Comparison
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At a Glance
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Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Octa core (2.2 GHz, Dual core, Kryo 360 + 1.7 GHz, Hexa Core, Kryo 360)
6000 mAh
4000 mAh
3500 mAh
6.4 inches
6.4 inches
6.18 inches
Quad, 64MP + 8MP + 5MP + 5MP
Quad, 64MP + 8MP + 2MP + 2MP
Dual, 12MP + 13MP
4G
4G
4G
Detailed Specs
Screen Size
6.4 inches
6.4 inches
6.18 inches
Screen Type
Super AMOLED
Super AMOLED
IPS LCD
Screen Resolution
1080 x 2340 pixels
1080 x 2340 pixels
1080 x 2246 pixels
Pixel Density
403 ppi
403 ppi
403 ppi
Aspect Ratio
19.5:9
19.5:9
-
Screen Protection
Gorilla Glass 3
Gorilla Glass 5
Gorilla Glass 3
Screen to Body Ratio
83.92%
91.90%
82.03%
Screen Design
Regular notch
Waterdrop notch
Regular notch
Screen Quality
FHD
FHD
FHD
Phone Variants
6GB 64GB, 8GB 128GB, 6GB 128GB
4GB 64GB, 8GB 256GB, 8GB 128GB, 6GB 128GB
4GB 64GB, 6GB 128GB
Expandable Storage
Yes
Yes
Yes
RAM Type
LPDDR4X
LPDDR4X
LPDDR4X
Storage Type
UFS 2.1
UFS 2.1
eMMC 5.1
Expandable Storage Capacity
Yes, 512 GB
Yes, 256 GB
Yes, 400 GB
OTG Support
Yes
Yes
-
Sensors
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Operating System
Android v10 (Q)
Android v9.0 (Pie)
Android v9.0 (Pie)
GPU
Mali-G72 MP3
Adreno 618
Adreno 616
Chipset
Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 730G
Qualcomm Snapdragon 710
CPU
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Octa core (2.2 GHz, Dual core, Kryo 360 + 1.7 GHz, Hexa Core, Kryo 360)
Custom User Interface
Samsung One UI
Realme UI
Android One
Clock Speed
2.3 GHz
2.2 GHz
2.2 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
10 nm
8 nm
10 nm
Battery Capacity
6000 mAh
4000 mAh
3500 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-ion
Li-ion
Charger Type
Fast, 15W
VOOC, v4.0, 30W
Fast, 18W
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Charging Time
-
65 % in 30 minutes
-
Announced On
25-Feb-20
5-Sep-19
5-Dec-18
Market Status
Available
Available
Available
Brand
Samsung
Realme
Nokia
Model Number
SM-M315FZKDINS
RMX1992
TA-1121
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 15,999
Rs. 17,999
Rs. 27,999
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Dolby Atmos
Dolby Atmos
Active noise cancellation with dedicated mic
NFC
No
No
Yes
Network Support
4G
4G
4G
Bluetooth
Yes
Yes
Yes
FM Radio
Yes
No
Yes
3.5mm Audio Jack
Yes
Yes
Yes
SIM Size
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano (Hybrid)
Wi-Fi
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz, MIMO
Yes, Wi-Fi 802.11, a/ac/b/g/n
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 VoLTE
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM, Dual VoLTE
eSIM
No
No
No
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot
Mobile Hotspot
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) / 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) / 700(band 28) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...
4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 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) / 2600(band 7) / 900(band 8) / 700(band 28) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 /...
4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 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
1920x1080 @ 30 fps
Front Camera Features
HDR
HDR
Fixed Focus
Front Camera Setup
Single, 32MP
Single, 32MP
Single, 20MP
Front Camera 1 Resolution
32 MP
32 MP
20 MP
Front Camera 1 Type
f/2.0 Primary Camera
f/2.0, Wide Angle Primary Camera
f/2.0 Primary Camera
Front Camera 1 Lens
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
3.81 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
0.9 micrometre pixel size
Front Sensor
Exmor RS
CMOS
-
Front Aperture
f/2.0
f/2.0
f/2.0
Front Flash
No
-
-
Weight
191 grams
182 grams
180 grams
Colors
Black, Blue
Pearl White, Pearl Blue, Pearl Green
Blue, Silver, Iron
Build
Back: Plastic
Back: Gorilla Glass
Back: Mineral Glass
Dimensions
159.2 x 75.1 x 8.9 mm
158.7 x 75.2 x 8.6 mm
154.8 x 75.7 x 7.9 mm
SAR Value
Head: 0.383 W/kg
Head: 1.160 W/kg, Body: 0.521 W/kg
Head: 0.223 W/kg
OIS
No
No
Yes
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, Dual-color LED Flash
Rear Video Recording
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps
3840x2160 @ 30 fps
Rear Camera Features
8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
5 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
Quad, 64MP + 8MP + 2MP + 2MP
Dual, 12MP + 13MP
Rear Camera 1 Resolution
64 MP
64 MP
12 MP
Rear Camera 1 Type
f/1.8 (upto 8x Digital Zoom) Primary Camera
f/1.8 (upto 5x Digital Zoom) Primary Camera
f/1.8 Primary Camera
Rear Camera 1 Lens
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
5.58 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
2.55" sensor size, 1.4 micrometre pixel size
Rear Camera 2 Resolution
8 MP
8 MP
13 MP
Rear Camera 2 Type
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.25, Wide Angle, Ultra-Wide Angle Camera
f/2.2 Camera
Rear Camera 2 Lens
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
1.66 mm focal length, 1.12 micrometre pixel size
-
Rear Camera 3 Resolution
5 MP
2 MP
-
Rear Camera 3 Type
f/2.4, Macro Camera
f/2.4, Macro Camera
-
Rear Camera 3 Lens
25 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size
1.77 mm focal length, 1.75 micrometre pixel size
-
Rear Camera 4 Resolution
5 MP
2 MP
-
Rear Camera 4 Type
f/2.2, Depth Camera
f/2.4, Depth Camera
-
Rear Sensor
ISOCELL Plus
ISOCELL Plus
Exmor-RS CMOS Sensor
Rear Aperture
f/1.8
f/1.8
f/1.8
Rear Camera 4 Lens
-
1.77 mm focal length, 1.75 micrometre pixel size
-
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Rear
On-Screen
Rear
Face Unlock
Yes
Yes
Yes
Fingerprint Scanner Type
-
Optical
-