Oppo A55
#2937
vivo Y21s
#2667Category Breakdown
Oppo A55
vivo Y21s
Performance
62.564.8
Camera
44.344.3
Display
70.570.5
Battery
58.558.5
Build
68.868.8
Overall
59.660.2
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
Peak Brightness
N/A
N/A
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
50 MP
Main Camera Details
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)
Front Camera
16 MP
8 MP
Front Camera Details
16 MP, f/2.0, 26mm (wide)
8 MP, f/2.0, (wide)
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW 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 & Design
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
Water Resistance
N/A
N/A
Colors
Rainbow Blue, Starry Black, Green
Midnight Blue, Pearl White
Foldable
✗
✗
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
Software
Operating System
Android 11, ColorOS 11.1
Android 11, Funtouch 11.1
OS Version
Android 11, ColorOS 11.1
Android 11, Funtouch 11.1
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes