Home/Oppo/Oppo A55 vs vivo Y21s
Oppo A55

Oppo A55

#3341
vivo Y21s

vivo Y21s

#3313

Category Breakdown

Oppo A55
vivo Y21s
Performance
72.779.3
Camera
28.428.4
Display
67.856.5
Battery
33.733.7
Build
0.215.4
Connectivity
65.063.3
Audio
8.98.9
Overall
41.842.0

Summary

  • The Oppo A55 and vivo Y21s both feature a 6.51-inch IPS LCD display with a resolution of 720 x 1600 pixels and a 60Hz refresh rate.
  • In terms of performance, the Oppo A55 is powered by the Mediatek Helio G35 chipset, while the vivo Y21s utilizes the Helio G80, offering potentially better performance.
  • Both devices have a 50 MP main camera, but the vivo Y21s has an 8 MP selfie camera compared to the 16 MP on the Oppo A55.
  • Both smartphones are equipped with a 5000 mAh battery and support 18W charging.
  • They run on Android 11, with the Oppo using ColorOS 11.1 and the vivo using Funtouch 11.1, providing different software experiences.
  • The Oppo A55 is slightly heavier at 193g compared to the 182g of the vivo Y21s.

Side-by-side Specification Comparison

Oppo A55
vivo Y21s

General

Release Date

2021, October 01
2021, September 21

Announced

2021, October 01
2021, September 21

Description

Not to be confused with Oppo A55 5G
N/A

Display

Size

6.51"
6.51"

Type

IPS LCD, 480 nits (typ), 550 nits (peak)
IPS LCD

Resolution

720 x 1600 pixels, 20:9 ratio (~270 ppi density)
720 x 1600 pixels, 20:9 ratio (~270 ppi density)

PPI

720
720

Refresh Rate

60Hz
60Hz

HDR Support

Protection

NEG T2X-1
N/A

Performance

Chipset

Mediatek MT6765G Helio G35 (12 nm)
Mediatek MT6769V/CU Helio G80 (12 nm)

CPU

Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)

GPU

PowerVR GE8320
Mali-G52 MC2

Memory

64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
128GB 4GB RAM, 128GB 6GB RAM

Expandable Storage

Card Slot

microSDXC (dedicated slot)
microSDXC (dedicated slot)

Camera

Main Camera

50 MP, f/1.8 26mm (wide), PDAF2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)
50 MP, f/1.8, 24mm (wide), PDAF2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)

Main Camera Features

LED flash, HDR, panorama
LED flash

Front Camera

16 MP, f/2.0, 26mm (wide)
8 MP, f/2.0, (wide)

Front Camera Features

HDR
HDR

Video Recording

1080p@30fps
1080p@30fps

Selfie Video

1080p@30fps
1080p@30fps

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

5000 mAh
5000 mAh

Battery Details

Li-Po 5000 mAh
5000 mAh

Charging Details

18W wired
18W wired2.5W reverse wired

Fast Charging

Wireless Charging

Build & Safety

Dimensions

163.6 x 75.7 x 8.4 mm (6.44 x 2.98 x 0.33 in)
164.3 x 76.1 x 8 mm (6.47 x 3.00 x 0.31 in)

Weight

193 g
182 g

Materials

N/A
N/A

Colors

Rainbow Blue, Starry Black, Green
Midnight Blue, Pearl White

Foldable

SAR

N/A
0.83 W/kg (head)     1.09 W/kg (body)

Connectivity

SIM

Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM

Network

GSM / HSPA / LTE
GSM / HSPA / LTE

Network Speed

HSPA, LTE
HSPA, LTE

5G

4G

WiFi

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Bluetooth

5.0, A2DP, LE, aptX
5.0, A2DP, LE

NFC

USB

USB Type-C 2.0, OTG
USB Type-C 2.0, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS, GLONASS, GALILEO, BDS, QZSS
GPS, GLONASS, GALILEO, BDS

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes

Software & Security

Operating System

Android 11, ColorOS 11.1
Android 11, Funtouch 11.1

Fingerprint

Face Unlock

Sensors

Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass