Oppo A57

Xiaomi Redmi Note 11 6GB+128GB

os

Android M OS 6.0

Android 11, MIUI 13

RAM

3 GB

6 GB

ROM

32 GB

128 GB

expandable

256 GB

512 GB

CPU

1.4 GHz Cortex-A53

Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)

GPU

Adreno 505

Adreno 610

SoC

Qualcomm MSM8940 Snapdragon 435

Qualcomm SM6225 Snapdragon 680 4G (6 nm)

number of cores

8core

8core

features

LED flash, HDR, panorama

primary

13 MP AF

Quad:
50 MP, f/1.8, 26mm (wide), 1/2.76", 0.64m, PDAF
8 MP, f/2.2, 118 (ultrawide), 1/4", 1.12m
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)

secondary

16 MP AF

13 MP, f/2.4, (wide), 1/3.1", 1.12m

video

1080p@30fps

capacity

2900mAh

5000mAh

charging

Fast charging 33W, Quick Charge 3+

type

Li-Ion (non-removeable)

Li-Polymer (non-removable)

dimension

149.1 x 72.9 x 7.7 mm

159.9 x 73.9 x 8.1 mm

display

IPS LCD 720 x 1280 pixels (~282ppi pixel density)

AMOLED, 90Hz, 700 nits, 1000 nits (peak)

resolution

1080 x 2400 pixels, 20:9 ratio (~409 ppi density)

screen

5.2"

6.43"

weight

147 gm

179 gm

GPS

Yes, with A-GPS, GLONASS, BDS, GALILEO

NFC

Yes (market/region dependent)

USB

microUSB 2.0, USB Host

USB Type-C 2.0, USB On-The-Go

bluetooth

4.1, A2DP

5.0, A2DP, LE

internet

4G/LTE

wifi

802.11 b/g/n, hotspot

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot

radio

FM radio

FM Radio

sensors

Fingerprint (front-mounted), accelerometer, proximity, compass, GPS, A-GPS

Fingerprint (side-mounted), accelerometer, gyro, compass