Category Breakdown
Oppo A57s
vivo Y55s (2021)
Performance
62.570.8
Camera
44.344.3
Display
70.570.5
Battery
63.063.5
Build
77.877.8
Overall
61.163.7
Summary
- The Oppo A57s features a 6.56-inch IPS LCD display with a resolution of 720 x 1612 pixels, while the vivo Y55s (2021) has a larger 6.58-inch IPS LCD with a higher resolution of 1080 x 2408 pixels, resulting in a sharper image.
- In terms of performance, the A57s is powered by the Mediatek Helio G35 chipset, whereas the Y55s utilizes the more advanced Mediatek Dimensity 700, offering better processing capabilities.
- Both phones have a dual-camera setup with a 50 MP main sensor, but the Y55s includes a macro lens compared to the depth sensor in the A57s.
- The A57s has a 5000 mAh battery with 33W charging, while the Y55s boasts a larger 6000 mAh battery with 18W charging.
- For software, the A57s runs on Android 12 with ColorOS 12.1, offering a more recent experience compared to the Android 11 and OriginOS on the Y55s.
- Both devices have a plastic frame and back, but the A57s is slightly lighter at 187g compared to the Y55s at 199.8g.
Side-by-side Specification Comparison
Oppo A57s
vivo Y55s (2021)
General
Release Date
2022, August 31
2021, December 04
Announced
2022, August 31
2021, December 04
Description
N/A
N/A
Display
Size
6.56"
6.58"
Type
IPS LCD, 480 nits (typ), 600 nits (HBM)
IPS LCD
Resolution
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
1080 x 2408 pixels, 20:9 ratio (~401 ppi density)
PPI
720
1080
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
Panda Glass
N/A
Performance
Chipset
Mediatek MT6765G Helio G35 (12 nm)
Mediatek Dimensity 700 (7 nm)
CPU
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
PowerVR GE8320
Mali-G57 MC2
Memory
64GB 4GB RAM, 128GB 4GB RAM
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
No
Camera
Main Camera
50 MP
50 MP
Main Camera Details
50 MP, f/1.8, 27mm (wide), PDAF2 MP, f/2.4, (depth)
50 MP, f/1.8, 26mm (wide), PDAF2 MP, f/2.4, (macro)
Front Camera
8 MP
8 MP
Front Camera Details
8 MP, f/2.0, 26mm (wide)
8 MP, f/1.8, (wide)
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
5000 mAh
6000 mAh
Battery Details
Li-Po 5000 mAh
6000 mAh
Charging Details
33W wired, 100% in 69 min
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
163.8 x 75 x 8 mm (6.45 x 2.95 x 0.31 in)
163.9 x 75.3 x 9.2 mm (6.45 x 2.96 x 0.36 in)
Weight
187 g
199.8 g
Materials
Glass front (Panda Glass), plastic frame, plastic back
Glass front, plastic frame, plastic back
Water Resistance
N/A
N/A
Colors
Starry Black, Sky Blue
Black, Blue, Pink
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Network Speed
HSPA, LTE
HSPA, LTE, 5G
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
5.3, A2DP, LE, aptX HD
5.1, A2DP, LE, aptX HD
NFC
✓
✗
USB
USB Type-C 2.0, OTG
USB Type-C, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS, GALILEO, QZSS
GPS, GLONASS, GALILEO, BDS, QZSS
Software
Operating System
Android 12, ColorOS 12.1
Android 11, OriginOS
OS Version
Android 12, ColorOS 12.1
Android 11, OriginOS
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass
Audio
Stereo Speakers
✓
✗
Loudspeaker
Yes, with stereo speakers
Yes
Audio Jack
Yes
Yes

