Samsung Galaxy M20 vs Oppo A3s
Key Feature Comparison
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At a Glance
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Octa core (1.8 GHz, Dual core, Cortex A73 + 1.6 GHz, Hexa Core, Cortex A53)
Octa core, 1.8 GHz, Cortex A53
5000 mAh
4230 mAh
6.3 inches
6.2 inches
Dual, 13MP + 5MP
Dual, 13MP + 2MP
4G
4G
Detailed Specs
Screen Size
6.3 inches
6.2 inches
Screen Type
TFT
IPS LCD
Screen Resolution
1080 x 2340 pixels
720 x 1520 pixels
Pixel Density
409 ppi
271 ppi
Aspect Ratio
19.5:9
-
Screen to Body Ratio
90%
80.85%
Screen Design
Waterdrop notch
Regular notch
Screen Quality
FHD
HD
Screen Protection
-
Gorilla Glass 3
Phone Variants
4GB 64GB, 3GB 32GB
4GB 64GB, 3GB 32GB, 2GB 16GB
Expandable Storage
Yes
Yes
RAM Type
LPDDR4X
LPDDR3
Storage Type
eMMC 5.1
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, Gyroscope
Operating System
Android v8.1 (Oreo)
Android v8.1 (Oreo)
GPU
Mali-G71 MP2
Adreno 506
Chipset
Samsung Exynos 7 Octa 7904
Qualcomm Snapdragon 450
CPU
Octa core (1.8 GHz, Dual core, Cortex A73 + 1.6 GHz, Hexa Core, Cortex A53)
Octa core, 1.8 GHz, Cortex A53
Clock Speed
1.8 GHz
1.8 GHz
Architecture
64 bit
64 bit
Process Technology
14 nm
14 nm
Custom User Interface
-
ColorOS
Battery Capacity
5000 mAh
4230 mAh
Battery Removable
No
No
Battery Type
Li-ion
Li-ion
Charger Type
Fast, 15W
Fast, 20W
USB Type-C
Yes
No
Fast Charging
Yes
-
Announced On
5-Jan-19
5-Jul-18
Market Status
Available
Available
Brand
Samsung
OPPO
Price Status
Confirmed
Confirmed
Price
Rs. 10,918
Rs. 9,500
Model Number
-
CPH1803/CPH1853
GPS
Yes A-GPS, Glonass
Yes A-GPS
Audio Features
Dolby Atmos
Active noise cancellation with dedicated mic
NFC
No
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, b/g/n
Yes, Wi-Fi 4 (802.11 b/g/n)
Bluetooth Type
v5.0
v4.2
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) / 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 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) / 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 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, 8MP
Single, 8MP
Front Camera 1 Resolution
8 MP
8 MP
Front Camera 1 Type
f/2.0 Primary Camera
f/2.2, Primary Camera
Front Aperture
f/2.0
f/2.2
Front Flash
Yes, Screen flash
-
Weight
186 grams
168 grams
Colors
Ocean Blue, Charcoal Black
Red, Dark Purple
Build
Back: Plastic
Back: Plastic
Dimensions
156.4 x 74.5 x 8.8 mm
156.2 x 75.6 x 8.2 mm
SAR Value
Head: 0.273 W/kg
Head: 1.166 W/kg, Body: 0.934 W/kg
OIS
No
-
Rear Flash
Yes, LED Flash
Yes, LED Flash
Rear Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps
Rear Camera Features
Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Dual, 13MP + 5MP
Dual, 13MP + 2MP
Rear Camera 1 Resolution
13 MP
13 MP
Rear Camera 1 Type
f/1.9 Primary Camera
f/2.2, Primary Camera
Rear Camera 1 Lens
2.8" sensor size, 1.12 micrometre pixel size
-
Rear Camera 2 Resolution
5 MP
2 MP
Rear Camera 2 Type
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.4, Depth Camera
Rear Camera 2 Lens
12 mm focal length, 6" sensor size, 1.12 micrometre pixel size
-
Rear Sensor
ISO-CELL
CMOS image sensor
Rear Aperture
f/1.9
f/2.2
Fingerprint Scanner
Yes
No
Fingerprint Scanner Position
Rear
-
Face Unlock
Yes
Yes