Compare phones side by side


Samsung Galaxy M21


Xiaomi Redmi Note 9 5G


Samsung Galaxy M21
Xiaomi Redmi Note 9 5G

Released in March 2020. Features 6.4 inches screen with a resolution of 1,080 x 2,340 pixels and 403 ppi.

Octa-core processor Samsung Exynos 9611 with up to 6 GB memory and 128 GB storage. It has 6,000 mAh battery.

Released in December 2020. Features 6.53 inches screen with a resolution of 1,080 x 2,340 pixels and 395 ppi.

Octa-core processor MediaTek Dimensity 800U with up to 8 GB memory and 256 GB storage. It has 5,000 mAh battery.

Head to Head
  • Lighter (6%)
  • OLED screen
  • Probably better front camera
  • Much better battery capacity (17%)
  • Probably better rear camera
  • May have more memory
  • May have more storage
  • Battery with better fast charging (17%)
  • It has 5G


Specifications

Samsung Galaxy M21 Xiaomi Redmi Note 9 5G
Specifications
Brand Samsung Xiaomi
Model - -
Release Date March 2020 December 2020
Operating System One UI (Android 10) MIUI (Android 10)
Dimensions
Size 159.0 x 75.1 x 8.9 mm
6.26 x 2.96 x 0.35 in
162.0 x 77.3 x 9.2 mm
6.38 x 3.04 x 0.36 in
Weight 188 g
6.63 oz
199 g
7.02 oz
Screen
Size 6.4 inches 6.53 inches
Resolution 1,080 x 2,340 pixels 1,080 x 2,340 pixels
PPI 403 395
Features OLED -
Cameras
Rear Triple camera
48 MP f/2.0 Wide
8 MP f/2.2 Ultra Wide
5 MP f/2.2 Depth
Triple camera
48 MP f/1.8 Wide
8 MP f/2.2 Ultra Wide
2 MP f/2.4 Macro
Front 20 MP f/2.2 Wide 13 MP f/2.3 Standard
Storage
Memory 4 GB
6 GB
4 GB
6 GB
8 GB
Fixed 64 GB
128 GB
64 GB
128 GB
256 GB
Removable microSDXC microSDXC
Processor
Chip Samsung Exynos 9611
Octa-core processor
10 nm
MediaTek Dimensity 800U
Octa-core processor
7 nm
CPU 4x 2.30 GHz Cortex-A73
4x 1.70 GHz Cortex-A53
2x 2.40 GHz Cortex-A76
6x 2.00 GHz Cortex-A55
GPU Mali-G72 MP3 Mali-G57 MC3
Battery
Capacity 6,000 mAh 5,000 mAh
Features Fast charging 15W Fast charging 18W
Removable False False
Connectivity
5G False True
NFC False False
3.5 mm Audio Jack True True
Micro USB False False
USB Type-C True True
Lightning False False

Size comparison

Samsung Galaxy M21 Xiaomi Redmi Note 9 5G

Samsung Galaxy M21

Xiaomi Redmi Note 9 5G

6.4"
188 g
6.63 oz

6.53"
199 g
7.02 oz