Oppo A57s
#1670
Xiaomi Redmi Note 9 4G
#2048Category Breakdown
Oppo A57s
Xiaomi Redmi Note 9 4G
Performance
72.778.2
Camera
29.619.1
Display
73.669.9
Battery
33.737.7
Build
71.671.7
Connectivity
66.457.4
Audio
87.687.6
Overall
56.152.2
Summary
- The Oppo A57s features a 6.56-inch IPS LCD display with a resolution of 720 x 1612 pixels, while the Xiaomi Redmi Note 9 4G has a slightly larger 6.53-inch IPS LCD with a higher resolution of 1080 x 2340 pixels, resulting in better pixel density.
- In terms of performance, the A57s is powered by the Mediatek Helio G35 chipset, whereas the Redmi Note 9 4G utilizes the Qualcomm Snapdragon 662, offering a more efficient processing capability.
- The A57s has a dual rear camera setup with a 50 MP main sensor, compared to the Redmi Note 9 4G's 48 MP main and additional ultrawide sensor, providing more versatility.
- Battery capacity is another differentiator, with the A57s at 5000 mAh and the Redmi Note 9 4G at 6000 mAh, giving the latter a longer potential usage time.
- Both devices run Android, with the A57s on ColorOS 12.1 and the Redmi Note 9 4G on MIUI 14, offering different software experiences.
- Build quality is comparable, with the A57s using Panda Glass and the Redmi Note 9 4G featuring Gorilla Glass 3 for added durability.
Side-by-side Specification Comparison
Oppo A57s
Xiaomi Redmi Note 9 4G
General
Release Date
2022, August 31
2020, November 26
Announced
2022, August 31
2020, November 26
Description
N/A
N/A
Display
Size
6.56"
6.53"
Type
IPS LCD, 480 nits (typ), 600 nits (HBM)
IPS LCD, 400 nits (typ)
Resolution
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
PPI
720
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Panda Glass
Corning Gorilla Glass 3
Performance
Chipset
Mediatek MT6765G Helio G35 (12 nm)
Qualcomm SM6115 Snapdragon 662 (11 nm)
CPU
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
PowerVR GE8320
Adreno 610
Memory
64GB 4GB RAM, 128GB 4GB RAM
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC (dedicated slot)
Camera
Main Camera
50 MP, f/1.8, 27mm (wide), PDAF2 MP, f/2.4, (depth)
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm2 MP, f/2.4, (depth)
Main Camera Features
LED flash, HDR, panorama
LED flash, HDR, panorama
Front Camera
8 MP, f/2.0, 26mm (wide)
8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm
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
Li-Po 6000 mAh
Charging Details
33W wired, 100% in 69 min
18W wired2.5W reverse wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
163.8 x 75 x 8 mm (6.45 x 2.95 x 0.31 in)
162.3 x 77.3 x 9.6 mm (6.39 x 3.04 x 0.38 in)
Weight
187 g
198 g
Materials
Glass front (Panda Glass), plastic frame, plastic back
Glass front (Gorilla Glass 3), plastic frame, plastic back
Colors
Starry Black, Sky Blue
Gray, Green, Blue, Orange
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / 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
5.3, A2DP, LE, aptX HD
4.2, A2DP
NFC
✓
✗
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS, GALILEO, QZSS
GPS, GLONASS, GALILEO, BDS
Audio
Stereo Speakers
✓
✓
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 12, ColorOS 12.1
Android 10, upgradable to Android 12, MIUI 14
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass