Oppo A3s vs Samsung Galaxy M20

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Oppo A3s
₹8,990
(Discontinued)
Samsung Galaxy M20
₹11,000
(Discontinued)
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Summary

Spec Score

72%
73%

Release Date

15 Jul, 2018
05 Feb, 2019

Performance

Snapdragon 450
Samsung Exynos 7 Octa 7904
Tru-Octa Core (upto 1.8 GHz)
Octa Core (upto 1.8 GHz)
2 GB RAM
3 GB RAM

Display

6.2 inches (15.75 cm)
6.3 inches (16 cm)
IPS LCD
TFT
720x1520 px (HD+)
1080x2340 px (FHD+)

Rear Camera

13 MP
Primary Camera
13 MP
Primary Camera
2 MP
Depth Camera
5 MP
Ultra-Wide Angle Camera

Front Camera

8 MP
8 MP

Battery

4230 mAh
5000 mAh
N/A
15W Fast Charging
No Wireless Charging
N/A

Storage

16 GB
32 GB
eMMC 5.1
eMMC 5.1

Expert Review

3.5/10
4.0/10

Pros

  • Impressive display
  • Beefy battery
  • Trendy notch design
  • Stunning display
  • Capable dual rear cameras
  • Good performance
  • Impressive battery backup

Cons

  • Processor choice
  • Camera performance
  • Camera struggles in low light
  • Face unlock isn`t the fastest
  • No protective case or a fast charger bundled in

User Ratings

4.4/5
(30,674 ratings)
4.1/5
(108,736 ratings)

Benchmarks (The higher, the better)

N/A
108,577
AnTuTu Score
N/A
19h 11m
Battery Life (PC Mark)

Video

Videos
1 Video
Videos
5 More Videos

User Feedback

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General

Operating System

Android v8.1 (Oreo)
Android v8.1 (Oreo)

Custom UI

ColorOS
N/A

Performance

Performance Rating

Good
Good

Chipset

Qualcomm Snapdragon 450
Samsung Exynos 7 Octa 7904

CPU

Octa core, 1.8 GHz, Cortex A53
Octa core

1.8 GHz, Dual core, Cortex A73 1.6 GHz, Hexa Core, Cortex A53

Architecture (The higher, the better)

64 bit
64 bit

Fabrication (The lower, the better)

14 nm
14 nm

Graphics (GPU)

Adreno 506
Mali-G71 MP2

RAM

2 GB / 3 GB / 4 GB
3 GB / 4 GB

RAM Type

LPDDR3
LPDDR4X

Performance Test Results

AnTuTu Score (The higher, the better) AnTuTu benchmark measures overall performance of a phone by stress-testing CPU, GPU, RAM, etc.

N/A
108,577

Display

Display Rating

Excellent
Excellent

Display Type

IPS LCD
TFT

Screen Size

6.2 inches  (15.75 cm)
6.3 inches  (16 cm)

Resolution

720x1520 px (HD+)
1080x2340 px (FHD+)

Aspect Ratio

19:9
19.5:9

Pixel Density

271 ppi
409 ppi

Screen to Body Ratio (calculated)

80.85 %
83.44 %

Screen Protection

Corning Gorilla Glass v3
N/A

Bezel-less Display

Yes with notch
Yes with waterdrop notch

Screen to Body Ratio (claimed by the brand)

N/A
90 %

Design

Height

156.2 mm
156.4 mm

Width

75.6 mm
74.5 mm

Thickness

8.2 mm
8.8 mm

Weight

168 grams
186 grams

Build Material

Back: Plastic
Back: Plastic

Rear Camera

Rear Camera Rating

Good
Good

Resolution

13 MP
Primary Cameraf/2.2CMOS image sensor
13 MP
Primary Cameraf/1.91/2.8" sensor size S5K3L6 ISO-CELL 1.12µm pixel size
2 MP
f/2.4 Depth Camera
5 MP
f/2.2 Ultra-Wide Angle Camera12 mm focal length 1/6" sensor size 1.12µm pixel size

Autofocus

Yes
Yes Phase Detection autofocus

OIS

N/A
No

Flash

Yes LED Flash
Yes LED Flash

Image Resolution

4128 x 3096 Pixels
4128 x 3096 Pixels

Settings

Exposure compensation ISO control
Exposure compensation ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)

Camera Features

Digital Zoom
Auto Flash
Face detection
Touch to focus
Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps

Front Camera

Front Camera Rating

Good
Very Good

Resolution

8 MP
f/2.2 Primary Camera
8 MP
f/2.0 Primary Camera

Autofocus

N/A
No

Flash

N/A
Yes Screen flash

Battery

Battery Rating

Very Good
Very Good

Capacity

4230 mAh
5000 mAh

Battery Type

Li-ion
Li-ion

TalkTime

N/A
Up to 29 Hours(3G)

Quick Charging

N/A
Yes 15W Fast Charging

Storage

Internal Storage

16 GB / 32 GB / 64 GB
32 GB / 64 GB

Storage Type

eMMC 5.1
eMMC 5.1

External Storage

Yes Up to 256 GB
Yes Up to 512 GB

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM

SIM Type

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

Network Support

5G Not Supported 4G
5G Not Supported 4G

VoLTE

Yes
Yes

SIM 1

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)
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)

SIM 2

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)
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)

SAR Value

Head: 1.166 W/kg Body: 0.934 W/kg
Head: 0.273 W/kg

Wi-Fi

Yes Wi-Fi 4 (802.11 b/g/n)
Yes Wi-Fi 4 (802.11 b/g/n)

Wi-Fi Features

Mobile Hotspot
Wi-Fi Direct Mobile Hotspot

Bluetooth

Yes v4.2
Yes v5.0

GPS

Yes with A-GPS
Yes with A-GPS Glonass

NFC

No
No

Multimedia

Audio Jack

3.5 mm
3.5 mm

Audio Features

N/A
Dolby Atmos

Sensors

Fingerprint Sensor

No
Yes

Fingerprint Sensor Position

N/A
Rear

Other Sensors

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