Category Breakdown
Oppo A57s
vivo Y55s (2021)
Performance
72.784.1
Camera
29.619.1
Display
73.658.9
Battery
33.737.7
Build
71.665.8
Connectivity
66.477.6
Audio
87.68.9
Overall
56.148.1
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
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, f/1.8, 27mm (wide), PDAF2 MP, f/2.4, (depth)
50 MP, f/1.8, 26mm (wide), PDAF2 MP, f/2.4, (macro)
Main Camera Features
LED flash, HDR, panorama
LED flash, HDR, panorama
Front Camera
8 MP, f/2.0, 26mm (wide)
8 MP, f/1.8, (wide)
Front Camera Features
Panorama
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo 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 & Safety
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
Colors
Starry Black, Sky Blue
Black, Blue, Pink
Foldable
✗
✗
SAR
N/A
N/A
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
Audio
Stereo Speakers
✓
✗
Loudspeaker
Yes, with stereo speakers
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 12, ColorOS 12.1
Android 11, OriginOS
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass

