OPPO A57 vs vivo Y66

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Comparing the OPPO A57 vs vivo Y66 across performance, display, camera, battery, storage and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: Both OPPO A57 and vivo Y66 run at the same processing speed of 1.4 GHz.


Display: vivo Y66 offers a screen size of 5.5 inches, while OPPO A57 offers 5.2 inches, making vivo Y66 the larger display of the two. Both OPPO A57 and vivo Y66 feature the same IPS LCD display.


Rear Camera: Both OPPO A57 and vivo Y66 feature a 13 MP primary rear camera.


Front Camera: Both OPPO A57 and vivo Y66 feature a 16 MP primary front camera.


Battery: vivo Y66 offers a higher battery capacity with 3000 mAh, while OPPO A57 offers 2900 mAh, making vivo Y66 better for longer battery life.


Storage: Both OPPO A57 and vivo Y66 offer the same internal storage of 32 GB.


User Rating: OPPO A57 and vivo Y66 both receive the same user rating of 4.2.

...read more
✕
OPPO A57
₹18,000
(Discontinued)
✕
vivo Y66
₹14,000
(Discontinued)
✕
realme P4 Lite 5G
₹15,999
Know more
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Summary

Release Date

03 Feb, 2017
20 Mar, 2017
23 Mar, 2026

Performance

Snapdragon 435
Snapdragon 430
MediaTek Dimensity 6300
Tru-Octa Core (upto 1.4 GHz)
Tru-Octa Core (upto 1.4 GHz)
Octa Core (upto 2.4 GHz)
3 GB RAM
3 GB RAM
4 GB RAM

Display

5.2 inches (13.21 cm)
5.5 inches (13.97 cm)
6.8 inches (17.27 cm)
IPS LCD
IPS LCD
LCD
720x1280 px (HD)
720x1280 px (HD)
720x1570 px (HD+)
N/A
N/A
144 Hz Refresh Rate

Rear Camera

13 MP
Primary Camera
13 MP
Primary Camera
13 MP
Primary Camera

Front Camera

16 MP
16 MP
5 MP

Battery

2900 mAh
3000 mAh
7000 mAh
N/A
N/A
15W Super VOOC Charging
No Wireless Charging
No Wireless Charging
No Wireless Charging

Storage

32 GB
32 GB
64 GB
N/A
N/A
eMMC 5.1

User Ratings

4.2/5
(7,956 ratings)
4.2/5
(4,865 ratings)
4.2/5
(14,969 ratings)

Compare Prices

Not Available in any store
Not Available in any store
₹15,999
@ Flipkart

Video

Videos
2 More Videos
Videos
1 Video
There are no videos available for the device.

User Feedback

General

Launch Date

N/A
N/A
Mar 19, 2026
(Official)

Operating System

Android v6.0 (Marshmallow)
Android v6.0 (Marshmallow)
Android v16

OS Updates

N/A
N/A
2 Year

Security Updates

N/A
N/A
3 Year

Custom UI

ColorOS
N/A
Realme UI

Performance

Performance Rating

Avg
Avg
Good

Chipset

Qualcomm Snapdragon 435 MSM8940
Qualcomm Snapdragon 430 MSM8937
MediaTek Dimensity 6300 MT6835
View Details

Processor

Octa core, 1.4 GHz, Cortex A53
Octa core, 1.4 GHz, Cortex A53
Octa core

2.4 GHz, Dual core, Cortex A76 2 GHz, Hexa Core, Cortex A55

Architecture (The higher, the better)

64 bit
N/A
64 bit

Fabrication (The lower, the better)

N/A
N/A
6 nm

Graphics (GPU)

Adreno 505
Adreno 505
Mali-G57 MC2

RAM

3 GB
3 GB
4 GB / 6 GB

RAM Type

N/A
N/A
LPDDR4X

Cooling Technology

N/A
N/A
Vapor Chamber

Display

Display Rating

Excellent
Excellent
Very Good

Display Type

IPS LCD
IPS LCD
LCD

Screen Size

5.2 inches  (13.21 cm)
5.5 inches  (13.97 cm)
6.8 inches  (17.27 cm)

Resolution

720x1280 px (HD)
720x1280 px (HD)
720x1570 px (HD+)

Brightness

N/A
N/A
700 nits

HBM Brightness

N/A
N/A
900 nits

Refresh Rate

N/A
N/A
144 Hz

Touch Sampling Rate

N/A
N/A
180 Hz

Aspect Ratio

N/A
N/A
19.5:9

Pixel Density

282 ppi
267 ppi
254 ppi

Screen to Body Ratio (calculated)

68.42 %
71.65 %
87.52 %

Screen Protection

Corning Gorilla Glass v4
Corning Gorilla Glass v3
N/A

Bezel-less Display

N/A
N/A
Yes with punch-hole display

Design

Height

149.1 mm
153.8 mm
166.07 mm

Width

72.9 mm
75.5 mm
77.93 mm

Thickness

7.6 mm
7.6 mm
8.4 mm

Weight

147 grams
155 grams
212 grams

Water Resistance

N/A
N/A
Yes Water resistant IP64

Ruggedness

N/A
N/A
Dust proof

Rear Camera

Rear Camera Rating

Good
Good
Good

Resolution

13 MP
Primary Cameraf/2.2Exmor-RS CMOS Sensor
13 MP
Primary Cameraf/2.2CMOS image sensor
13 MP
Primary Camera10x Digital Zoomf/2.2

Autofocus

Yes Phase Detection Autofocus
Yes
No

OIS

No
No
No

Flash

Yes LED Flash
Yes LED Flash
Yes LED Flash

Image Resolution

4128 x 3096 Pixels
4128 x 3096 Pixels
N/A

Settings

Exposure compensation ISO control
Exposure compensation ISO control
N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)
N/A

Camera Features

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

Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps
Full HD @30 fps
HD @30 fps

Front Camera

Front Camera Rating

Very Good
Good
Very Good

Resolution

16 MP
f/2.0 Primary Camera1.12µm pixel size
16 MP
f/2.0 Primary Camera
5 MP
f/2.2 Primary Camera

Autofocus

N/A
N/A
No

Flash

Yes Screen flash
Yes Soft light flash
Yes Screen flash

Video Recording

1920x1080 @ 30 fps
N/A
Full HD @30 fps
HD @30 fps

Battery

Battery Rating

Very Good
Very Good
Very Good

Capacity

2900 mAh
3000 mAh
7000 mAh

Battery Type

Li-ion
Li-ion
Silicon Carbon

Quick Charging

N/A
N/A
Yes 15W Super VOOC Charging

Reverse Charging

N/A
N/A
Yes

Storage

Internal Storage

32 GB
32 GB
64 GB / 128 GB

Storage Type

N/A
N/A
eMMC 5.1

Expandable Storage

Yes Up to 256 GB
Yes Up to 256 GB
No

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM
Dual SIM

SIM Type

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

Network Support

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

VoLTE

N/A
Yes
Yes

SIM 1

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5)
4G Bands:
TD-LTE 2300(band 40)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
5G Bands:
FDD N1 / N2 / N3 / N5 / N7 / N8 / N20 / N26 / N28 / N66
TDD N38 / N40 / N41 / N77 / N78
N/A
N/A
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 1700(band 66) / 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) / 850(band 18) / 850(band 19) / 800(band 20) / 700 (band 12)
View More

SIM 2

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5)
N/A
5G Bands:
FDD N1 / N2 / N3 / N5 / N7 / N8 / N20 / N26 / N28 / N66
TDD N38 / N40 / N41 / N77 / N78
N/A
N/A
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 12) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1700(band 66)
View More

Wi-Fi

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

Wi-Fi Features

Mobile Hotspot
Mobile Hotspot
Mobile Hotspot

Bluetooth

Yes v4.1
Yes v4.0
Yes v5.3

GPS

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

NFC

No
No
No

IR Blaster

N/A
N/A
No

Multimedia

Audio Jack

3.5 mm
3.5 mm
USB Type-C

Sensors

Fingerprint Sensor

Yes
No
Yes

Fingerprint Sensor Position

Front
N/A
Side

Other Sensors

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

Applications

N/A
Vivo Cloud WPS
N/A

Compare Prices

Not Available in any store
Not Available in any store
₹15,999
@ Flipkart