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Samsung Galaxy A21S vs Xiaomi Redmi Note 9 Pro Max vs Redmi Note 8

Last Updated: Wed, 26 Aug'20

Show Differences onlyCommon Specs only

Samsung Galaxy A21s

Xiaomi Redmi Note 9 Pro Max

Xiaomi Redmi Note 8

Show Differences onlyCommon Specs only

Samsung Galaxy A21s

Xiaomi Redmi Note 9 Pro Max

Xiaomi Redmi Note 8

Basic Information

Height
6.44 inches
6.52 inches
6.23 inches
Width
2.96 inches
3.02 inches
2.96 inches
Thickness
0.35 inches
0.35 inches
0.33 inches
Weight
192 g
209 g
190 g
Color
Black, White, Blue
Aurora Blue, Glacier White, Interstellar Black
Neptune Blue, Moonlight White, Space Black, Cosmic Purple
Build
Back Panel: Plastic
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame

Screen Size
6.5 inches
6.67 inches
6.3 inches
Display Type
PLS TFT capacitive touchscreen
IPS LCD capacitive touchscreen
IPS LCD capacitive touchscreen
Display Resolution
720 x 1600 pixels
1080 x 2400 pixels
1080 x 2340 pixels
Pixel Density
270 ppi
395 ppi
409 ppi
Aspect Ratio
20:09
20:09
19.5:9
Screen to Body Ratio
82.80%
84.60%
81.7%
Protection
Corning Gorilla Glass 5
Corning Gorilla Glass 5

OS
Android 10, One UI 2.0
Android 10.0 MIUI 11
Android 9.0 (Pie), MIUI 11
GPU
Mali-G52
Adreno 618
Adreno 610
Chipset GP
Exynos 850 (8nm)
Qualcomm SM7125 Snapdragon 720G (8 nm)
Qualcomm SDM665 Snapdragon 665 (11 nm)
CPU
Octa-core (4x2.0 GHz Cortex-A55, 4x2.0 GHz Cortex-A55)
Octa-core (2x2.3 GHz Kryo 465 Gold and 6x1.8 GHz Kryo 465 Silver)
Octa-core (4x2.0 GHz Kryo 260 Gold 4x1.8 GHz Kryo 260 Silver)

RAM/Internal Storage
64GB 4GB RAM, 64GB 6GB RAM
64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
64GB 4GB RAM, 128GB 6GB RAM, 32GB 3GB RAM
Expandable Memory
microSDXC (dedicated slot), Up to 512GB
microSDXC (dedicated slot)
microSDXC (dedicated slot)

Quad Camera
48 MP, f/2.0, 26mm (wide), 1/2.0, 0.8 micron|8 MP, f/2.2, 123degree (ultrawide), 1/4.0, 1.12 micron|2 MP, f/2.4, (macro)|2 MP, f/2.4, (depth)
64 MP, f/1.9, (wide), 1/1.72", 0.8micron, PDAF | 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12micron | 5 MP, f/2.4, (macro), 1.12micron | 2 MP, f/2.4, (depth)
48 MP, f/1.8, (wide), 1/2, 0.8 micron|8 MP, f/2.2, 13mm (ultrawide), 1/4, 1.12 micron|2 MP, f/2.4, 1/5, 1.75 micron (dedicated macro camera)|2 MP, f/2.4, 1/5, 1.75 micron, depth sensor
Autofocus
PDAF
PDAF
PDAF
Back Camera Video
1080p30fps
4K30fps, 1080p30/60/120fps, 720p960fps, gyro-EIS
2160p30fps, 1080p30/60/120fps, 720p960fps, gyro-EIS
Back Camera Features
LED flash, panorama, HDR
LED flash, HDR, panorama
HDR, panorama

Single Camera
13 MP, f/2.2, (wide), 1/3.1, 1.12 micron
32 MP, (wide), 1/2.8, 0.8 micron
13 MP, f/2.0, (wide), 1/3.1", 1.12micron
Front Camera Video
1080p30fps
1080p30fps
1080p30fps
Front Camera Features
HDR, panorama
HDR, panorama

WLAN
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
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS
Yes, with A-GPS, GLONASS, GALILEO, BDS, NavIC
Yes, with A-GPS, GLONASS, GALILEO, BDS
Radio
Unspecified
FM radio, recording
FM radio
USB
2.0, Type-C 1.0 reversible connector
2.0, Type-C 1.0 reversible connector
2.0, Type-C 1.0 reversible connector, USB On-The-Go
NFC
No
No
SIM
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Network Support
GSM / HSPA / LTE
GSM / HSPA / LTE
GSM / HSPA / LTE

Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Water Resistant
Splash proof

Announced On
2020, May 15
2020, March 12
2019, August
Status
Available. Released 2020, June 17
Available. Released 2020, May 12
Available. Released 2019, September