Home/Oppo/Oppo A57s vs Xiaomi Redmi Note 9 4G
Oppo A57s

Oppo A57s

#2342
Xiaomi Redmi Note 9 4G

Xiaomi Redmi Note 9 4G

#2042

Category Breakdown

Oppo A57s
Xiaomi Redmi Note 9 4G
Performance
62.564.8
Camera
44.344.9
Display
70.570.5
Battery
63.063.5
Build
77.877.8
Overall
61.162.0

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

Peak Brightness

N/A
N/A

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
48 MP

Main Camera Details

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)

Front Camera

8 MP
8 MP

Front Camera Details

8 MP, f/2.0, 26mm (wide)
8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm

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
Li-Po 6000 mAh

Charging Details

33W wired, 100% in 69 min
18W wired2.5W reverse wired

Fast Charging

Wireless Charging

Build & Design

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

Water Resistance

N/A
N/A

Colors

Starry Black, Sky Blue
Gray, Green, Blue, Orange

Foldable

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

Software

Operating System

Android 12, ColorOS 12.1
Android 10, upgradable to Android 12, MIUI 14

OS Version

Android 12, ColorOS 12.1
Android 10, upgradable to Android 12, MIUI 14

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, with stereo speakers

Audio Jack

Yes
Yes