Xiaomi Redmi Note 8 2021

OPPO A53 6GB/128GB

os

Android 11, MIUI 12.5

Android 10, ColorOS 7.2

RAM

4 GB

6 GB

ROM

64 GB

128 GB

expandable

256 GB

512 GB

CPU

Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)

Octa-core (4x1.8 GHz Kryo 240 & 4x1.6 GHz Kryo 240)

GPU

Mali-G52 MC2

Adreno 610

SoC

MediaTek Helio G85 (12nm)

Qualcomm SM4250 Snapdragon 460 (11 nm)

number of cores

8core

8core

features

LED flash, HDR, panorama

LED flash, HDR, panorama

primary

Quad:
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8m, PDAF
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12m
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)

Triple:
13 MP, f/2.2, 25mm (wide), 1/3.06", 1.12m, PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)

secondary

13 MP, f/2.0, (wide), 1/3.1", 1.12m

16 MP, f/2.0, (wide), 1/3.06", 1.0m

video

4K@30fps, 1080p@30/60/120fps; gyro-EIS

1080p@30fps

capacity

4000mAh

5000mAh

charging

Fast charging 18W

Fast charging 18W

type

Li-Polymer (non-removable)

Li-Polymer (non-removable)

dimension

158.3 x 75.3 x 8.4 mm

163.9 x 75.1 x 8.4 mm

display

IPS LCD capacitive touchscreen, 16M colors

IPS LCD, 90Hz

resolution

1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)

720 x 1600 pixels, 20:9 ratio (~270 ppi density)

screen

6.3"

6.5"

weight

190 gm

186 gm

GPS

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

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

USB

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

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

bluetooth

5.0, A2DP, LE

5.0, A2DP, LE, aptX HD

internet

4G/LTE

2G/3G/4G

wifi

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

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

radio

FM radio

FM Radio

sensors

Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

Fingerprint (rear-mounted), accelerometer, proximity, compass