Compare phones side by side


Xiaomi Redmi Note 8


Samsung Galaxy A21


Xiaomi Redmi Note 8
Samsung Galaxy A21

Released in October 2019. Features 6.3 inches screen with a resolution of 1,080 x 2,340 pixels and 409 ppi.

Octa-core processor Qualcomm Snapdragon 665 SM6125 with up to 6 GB memory and 128 GB storage. It has 4,000 mAh battery.

Released in June 2020. Features 6.5 inches screen with a resolution of 720 x 1,600 pixels and 270 ppi.

Octa-core processor MediaTek Helio P35 with up to 3 GB memory and 32 GB storage. It has 4,000 mAh battery.

Head to Head
  • Much better quality screen (34%)
  • May have more memory
  • May have more storage
  • Battery with better fast charging (17%)
  • Slightly larger screen (3%)
  • More processing power (11%)
  • It has NFC


Specifications

Xiaomi Redmi Note 8 Samsung Galaxy A21
Specifications
Brand Xiaomi Samsung
Model - -
Release Date October 2019 June 2020
Operating System MIUI (Android 9.0) One UI (Android 10)
Dimensions
Size 158.3 x 75.3 x 8.4 mm
6.23 x 2.96 x 0.33 in
167.8 x 76.7 x 8.1 mm
6.61 x 3.02 x 0.32 in
Weight 190 g
6.70 oz
193 g
6.81 oz
Screen
Size 6.3 inches 6.5 inches
Resolution 1,080 x 2,340 pixels 720 x 1,600 pixels
PPI 409 270
Features - -
Cameras
Rear Quad camera
48 MP f/1.8 Wide
8 MP f/2.2 Ultra Wide
2 MP f/2.4 Macro
2 MP f/2.4 Depth
Quad camera
16 MP f/1.8 Wide
8 MP f/2.2 Ultra Wide
2 MP f/2.4 Macro
2 MP f/2.4 Depth
Front 13 MP f/2.0 Wide 13 MP f/2.0 Wide
Storage
Memory 3 GB
4 GB
6 GB
3 GB
Fixed 32 GB
64 GB
128 GB
32 GB
Removable microSDXC microSDXC
Processor
Chip Qualcomm Snapdragon 665 SM6125
Octa-core processor
11 nm
MediaTek Helio P35
Octa-core processor
12 nm
CPU 4x 2.00 GHz Kryo 260 Gold
4x 1.80 GHz Kryo 260 Silver
4x 2.35 GHz Cortex-A53
4x 1.80 GHz Cortex-A53
GPU Adreno 610 PowerVR GE8320
Battery
Capacity 4,000 mAh 4,000 mAh
Features Fast charging 18W Fast charging 15W
Removable False False
Connectivity
5G False False
NFC False True
3.5 mm Audio Jack True True
Micro USB False False
USB Type-C True True
Lightning False False

Size comparison

Xiaomi Redmi Note 8 Samsung Galaxy A21

Xiaomi Redmi Note 8

Samsung Galaxy A21

6.3"
190 g
6.70 oz

6.5"
193 g
6.81 oz