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Samsung Galaxy M31s vs Oppo Reno 2Z vs Samsung Galaxy M20

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Last Updated: 
1st Jan 2021

Key Feature Comparison

Samsung Galaxy M31s
₹18,499
8/10
OPPO Reno2 Z
₹25,498
8/10
Samsung Galaxy M20
₹11,499
7/10
Samsung Galaxy M31s
Samsung Galaxy M31s
8/10
₹18,499
8/10
VS
OPPO Reno2 Z
OPPO Reno2 Z
8/10
₹25,498
8/10
VS
Samsung Galaxy M20
Samsung Galaxy M20
7/10
₹11,499
7/10
Display
Screen Size
6.5 inches
6.5 inches
6.3 inches
Screen Type
Super AMOLED
AMOLED
TFT
Screen Resolution
1080 x 2400 pixels
1080 x 2340 pixels
1080 x 2340 pixels
Pixel Density
405 ppi
396 ppi
409 ppi
Aspect Ratio
20:09
19.5:9
19.5:9
Screen Protection
Corning Gorilla Glass v3
Corning Gorilla Glass v5
-
Screen to Body Ratio
91%
91.10%
90%
Screen Design
Punch-Hole Display
Bezel-less
Waterdrop Notch
Screen Refresh Rate
60 Hz
-
-
Screen Quality
FHD
FHD
FHD
Peak Brightness
420 nits
-
-
Miscellaneous Features
Sensors
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Performance
GPU
Mali-G72 MP3
PowerVR GM9446
Mali-G71 MP2
Operating System
Android v10 (Q)
Android v9.0 (Pie)
Android v8.1 (Oreo)
Chipset
Samsung Exynos 9 Octa 9611
MediaTek Helio P90
Samsung Exynos 7 Octa 7904
CPU
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.2 GHz, Dual core, Cortex A75 + 2 GHz, Hexa Core, Cortex A55)
Octa core (1.8 GHz, Dual core, Cortex A73 + 1.6 GHz, Hexa Core, Cortex A53)
Custom User Interface
Samsung One UI
ColorOS
-
Clock Speed
2.3 GHz
2.2 GHz
1.8 GHz
Architecture
64 bit
64 bit
64 bit
Memory & Storage
Phone Variants
128GB 6GB RAM, 128GB 8GB RAM
256GB 8GB RAM
64 GB, 4 GB RAM or 32 GB, 3 GB RAM
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, 512 GB
OTG Support
-
Yes
Yes
General
Announced On
30-Jul-20
5-Aug-19
5-Jan-19
Market Status
Available
Available
Available
Brand
Samsung
OPPO
Samsung
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 18,499
Rs. 27,490
Rs. 10,918
Battery
Battery Capacity
6000 mAh
4000 mAh
5000 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-Polymer
Li-ion
Charger Type
Fast, 25W
VOOC, v3.0
Fast, 15W
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Charging Time
-
51 % in 30 minutes
-
Network & Connectivity
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Dolby Atmos
Dolby Atmos
Dolby Atmos
NFC
No
No
No
Bluetooth
Yes
Yes
Yes
3.5mm Audio Jack
Yes
Yes
Yes
Bluetooth Type
v5.0
v5.0
v5.0
Audio Jack
3.5 mm
3.5 mm
3.5 mm
FM Radio
-
Yes
Yes
Front Camera
Front Video Recording
3840x2160 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps
Front Camera Features
HDR
LED flash, HDR
HDR
Front Camera Setup
Single, 32MP
Single, 16MP
Single, 8MP
Front Camera 1 Resolution
32 MP
16 MP
8 MP
Front Camera 1 Type
f/2.2 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
3.1" sensor size, 1 micrometre pixel size
-
Front Sensor
Exmor RS
-
-
Front Flash
No
-
Yes, Screen flash
Design
Weight
203 grams
195 grams
186 grams
Colors
Mirage Black, Mirage Blue
Sky White, Luminous Black
Ocean Blue, Charcoal Black
Build
Back: Plastic
Back: Gorilla Glass
Back: Plastic
Dimensions
159.3 x 74.4 x 9.3 mm
161.8 x 75.8 x 8.7 mm
156.4 x 74.5 x 8.8 mm
SAR Value
Head: 1.38 W/kg
Head: 1.183 W/kg, Body: 0.780 W/kg
Head: 0.273 W/kg
Rear Camera
OIS
No
-
No
Rear Flash
Yes, LED Flash
Yes, Dual LED Flash
Yes, LED Flash
Rear Video Recording
3840x2160 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
1920x1080 @ 30 fps
Rear Camera Features
10 x Digital Zoom, Auto Flash, Face detection, Touch to focus
10 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Quad, 64MP + 12MP + 5MP + 5MP
Quad, 48MP + 8MP + 2MP + 2MP
Dual, 13MP + 5MP
Rear Camera 1 Resolution
64 MP
48 MP
13 MP
Rear Camera 1 Type
f/1.8 (upto 10x Digital Zoom), Wide Angle Primary Camera
f/1.7 (upto 10x Digital Zoom) Primary Camera
f/1.9 Primary Camera
Rear Camera 1 Lens
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
4.73 mm focal length, 2" sensor size, 0.8 micrometre pixel size
2.8" sensor size, 1.12 micrometre pixel size
Rear Camera 2 Resolution
12 MP
8 MP
5 MP
Rear Camera 2 Type
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Wide Angle Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
Rear Camera 3 Resolution
5 MP
2 MP
-
Rear Camera 3 Type
f/2.4, Macro Camera
f/2.4 Camera
-
Rear Camera 4 Resolution
5 MP
2 MP
-
Rear Camera 4 Type
f/2.4, Depth Camera
f/2.4, Depth Camera
-
Rear Sensor
Exmor-RS CMOS Sensor
Exmor-RS CMOS Sensor
ISO-CELL
Rear Camera 2 Lens
-
1.66 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
12 mm focal length, 6" sensor size, 1.12 micrometre pixel size
Rear Camera 3 Lens
-
1.77 mm focal length, 5.0" sensor size, 1.75 micrometre pixel size
-
Rear Camera 4 Lens
-
1.77 mm focal length, 5.0" sensor size, 1.75 micrometre pixel size
-
Network
Network Support
4G (supports Indian bands), 3G, 2G
4G (supports Indian bands), 3G, 2G
4G (supports Indian bands), 3G, 2G
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, a/ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, b/g/n
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) / 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 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...
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 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...
Sensors
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Side
On-screen
Rear
Fingerprint Scanner Type
-
Optical
-

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