OPPO A9 2020 4GB RAM vs vivo Y31 5G

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Comparing the OPPO A9 2020 4GB RAM vs vivo Y31 5G across performance, display, camera, battery, storage and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: vivo Y31 5G runs at a higher processing speed of 2.2 GHz, while OPPO A9 2020 4GB RAM runs at 2.0 GHz, making vivo Y31 5G the better performer.


Display: vivo Y31 5G offers a screen size of 6.68 inches, while OPPO A9 2020 4GB RAM offers 6.5 inches, making vivo Y31 5G the larger display of the two. OPPO A9 2020 4GB RAM features a IPS LCD display compared to vivo Y31 5G's LCD, making OPPO A9 2020 4GB RAM the better display of the two.


Rear Camera: vivo Y31 5G offers a higher rear camera resolution with 50 MP, while OPPO A9 2020 4GB RAM offers 48 MP, making vivo Y31 5G better for rear camera photography.


Front Camera: OPPO A9 2020 4GB RAM offers a higher front camera resolution with 16 MP, while vivo Y31 5G offers 8 MP, making OPPO A9 2020 4GB RAM better for front camera photography.


Battery: vivo Y31 5G offers a higher battery capacity with 6500 mAh, while OPPO A9 2020 4GB RAM offers 5000 mAh, making vivo Y31 5G better for longer battery life.


Storage: Both OPPO A9 2020 4GB RAM and vivo Y31 5G offer the same internal storage of 128 GB.


User Rating: OPPO A9 2020 4GB RAM and vivo Y31 5G both receive the same user rating of 4.3.

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OPPO A9 2020 4GB RAM
₹16,845
(Out of Stock)
vivo Y31 5G
₹19,999
@ Flipkart
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Summary

Spec Score

70%
77%

Release Date

26 Sep, 2019
13 Sep, 2025

Performance

Snapdragon 665
Snapdragon 4 Gen 2
Octa Core (upto 2 GHz)
Octa Core (upto 2.2 GHz)
4 GB RAM
4 GB RAM
Snapdragon 665 vs Snapdragon 4 Gen 2

Display

6.5 inches (16.51 cm)
6.68 inches (16.97 cm)
IPS LCD
LCD
720x1600 px (HD+)
720x1608 px (HD+)
60 Hz Refresh Rate
120 Hz Refresh Rate

Rear Camera

48 MP
Primary Camera
50 MP
Wide Angle Primary Camera
8 MP
Ultra-Wide Angle Camera
0.08 MP
Camera
2 MP
Macro Camera
N/A
2 MP
Depth Camera
N/A

Front Camera

16 MP
8 MP
Wide Angle Lens

Battery

5000 mAh
6500 mAh
N/A
44W Flash Charging
N/A
No Wireless Charging

Storage

128 GB
128 GB
UFS 2.1
eMMC 5.1

Expert Review

7.0/10
N/A

Pros

  • Gorgeous design
  • Long-lasting battery life
  • Capable cameras
  • Device yet to be reviewed

Cons

  • Mediocre performance
  • No full HD+ display
  • Device yet to be reviewed

User Ratings

4.3/5
(107,330 ratings)
4.3/5
(652 ratings)

Benchmarks (The higher, the better)

134,811
AnTuTu Score
N/A
15h 56m
Battery Life (PC Mark)
N/A

Compare Prices

Not Available in any store
₹19,999
@ Flipkart

User Feedback

General

Launch Date

Sep 26, 2019
(Official)
Sep 13, 2025
(Official)

Operating System

Android v9.0 (Pie)
Android v15

Custom UI

ColorOS
Funtouch OS

Performance

Performance Rating

Avg
Good

Chipset

Qualcomm Snapdragon 665
View Details
Qualcomm Snapdragon 4 Gen 2
View Details

Processor

Octa core

2 GHz, Quad core, Kryo 260 1.8 GHz, Quad core, Kryo 260
Octa core

2.2 GHz, Dual core, Cortex A78 1.95 GHz, Hexa Core, Cortex A55

Architecture (The higher, the better)

64 bit
64 bit

Fabrication (The lower, the better)

11 nm
4 nm

Graphics (GPU)

Adreno 610
Adreno 613

RAM

4 GB / 8 GB
4 GB / 6 GB

RAM Type

LPDDR4X
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.

134,811
N/A

Bootup Time (The lower, the better)

24.0 s
N/A

Gaming Test Results

Battery Drain* (The lower, the better)

4.0 %
N/A

Heating* (The lower, the better)

19.7 %
N/A
* after 30 mins of gaming

Display

Display Rating

Very Good
Very Good

Display Type

IPS LCD
LCD

Screen Size

6.5 inches  (16.51 cm)
6.68 inches  (16.97 cm)

Resolution

720x1600 px (HD+)
720x1608 px (HD+)

Brightness

480 nits
N/A

Peak Brightness

N/A
1000 nits

HBM Brightness

N/A
1000 nits

Refresh Rate

60 Hz
120 Hz

Aspect Ratio

20:9
20:9

Pixel Density

270 ppi
264 ppi

Screen to Body Ratio (calculated)

82.47 %
84.2 %

Screen Protection

Corning Gorilla
Yes

Bezel-less Display

Yes with waterdrop notch
Yes with punch-hole display

Screen to Body Ratio (claimed by the brand)

89 %
N/A

Design

Height

163.6 mm
166.14 mm

Width

75.6 mm
77.01 mm

Thickness

9.1 mm
8.39 mm

Weight

195 grams
209 grams

Build Material

Back: Plastic
Back: Plastic

Water Resistance

N/A
Yes Water resistant IP68 IP69 (up to 30 minutes in a depth of 1.5 meter)

Ruggedness

N/A
Dust proof Shock proof

Rear Camera

Rear Camera Rating

Good
Good

Resolution

48 MP
Primary Cameraf/1.81/2.25" sensor size S5KGM1 CMOS image sensor 0.8µm pixel size
50 MP
Primary Cameraf/1.8 Wide Angle
8 MP
f/2.25 Ultra-Wide Angle Camera1/4.0" sensor size 1.12µm pixel size
0.08 MP
f/3.0
2 MP
f/2.4 Macro Camera1/5.0" sensor size 1.75µm pixel size
N/A
2 MP
f/2.4 Depth Camera1/5.0" sensor size 1.75µm pixel size
N/A

Autofocus

Yes
Yes

OIS

N/A
No

Flash

Yes LED Flash
Yes LED Flash + Aura Light

Image Resolution

8000 x 6000 Pixels
8150 x 6150 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

4k @30 fps
Full HD @30 fps
Full HD @30 fps

Front Camera

Front Camera Rating

Very Good
Very Good

Resolution

16 MP
f/2.0 Primary Camera1/3.1" sensor size 1µm pixel size
8 MP
f/2.0 Wide Angle Primary Camera

Autofocus

N/A
No

Video Recording

Full HD @30 fps
HD @30 fps
Full HD @30 fps

Battery

Battery Rating

Very Good
Excellent

Capacity

5000 mAh
6500 mAh

Battery Type

Li-Polymer
Li-ion

Quick Charging

N/A
Yes 44W Flash Charging 50% in 38 minutes

Reverse Charging

Yes
Yes

Battery Test Results

Battery Life (PC Mark) (The higher, the better) PCMark Battery benchmark measures battery life of a phone with various activities such as web browsing, photo editing, writing, video editing, etc.

15h 56m
N/A

Charging Time (20% to 100%) (The lower, the better)

2h 39m 43s
N/A

Storage

Internal Storage

128 GB
128 GB

Storage Type

UFS 2.1
eMMC 5.1

Expandable Storage

Yes Up to 256 GB
Yes Up to 2 TB

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano (Hybrid)

Network Support

5G Not Supported 4G
5G 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)
5G Bands:
FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N77 / N78
N/A
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)
View More

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)
5G Bands:
FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N77 / N78
N/A
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)
View More

SAR Value

N/A
Head: 1.130 W/kg Body: 0.986 W/kg

Wi-Fi

Yes Wi-Fi 5 (802.11 b/g/n/ac)
Yes Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz

Wi-Fi Features

Mobile Hotspot
Mobile Hotspot

Bluetooth

Yes v5.0
Yes v4.2

GPS

Yes with A-GPS Glonass
Yes with A-GPS Glonass

NFC

No
No

Multimedia

Stereo Speakers

N/A
Yes

Audio Jack

3.5 mm
USB Type-C

Audio Features

Dolby Atmos
N/A

Sensors

Fingerprint Sensor

Yes
Yes

Fingerprint Sensor Position

Rear
Side

Other Sensors

Light sensor Proximity sensor Accelerometer Gyroscope
Light sensor Proximity sensor Accelerometer

Compare Prices

Not Available in any store
₹19,999
@ Flipkart