Compare phones side by side

Samsung Galaxy S21 Ultra 5G

Xiaomi Redmi Note 9S
Samsung Galaxy S21 Ultra 5G
Xiaomi Redmi Note 9S

Released in January 2021. Features 6.8 inches screen with a resolution of 1,440 x 3,200 pixels and 515 ppi.

Octa-core processor Samsung Exynos 2100 with up to 16 GB memory and 512 GB storage. It has 5,000 mAh battery.

Released in April 2020. Features 6.67 inches screen with a resolution of 1,080 x 2,400 pixels and 395 ppi.

Octa-core processor Qualcomm Snapdragon 720G SM7125 with up to 6 GB memory and 128 GB storage. It has 5,020 mAh battery.
Head to Head
  • Much better quality screen (23%)
  • OLED screen
  • Higher screen refresh rate
  • Probably better front camera
  • More memory
  • May have more storage
  • Much more processing power (22%)
  • Battery with better fast charging (28%)
  • It has 5G
  • Lighter (9%)

Prices Info

12 GB RAM + 128 GB
1,069.00 €
Amazon.es
12 GB RAM + 256 GB
1,118.00 €
Amazon.es
16 GB RAM + 512 GB
1,309.00 €
Amazon.es

We don't have prices for this model

Specifications

Samsung Galaxy S21 Ultra 5G Xiaomi Redmi Note 9S
Specifications
Brand Samsung Xiaomi
Model - -
Release Date January 2021 April 2020
Operating System One UI (Android 11) MIUI (Android 10)
Dimensions
Size 165.1 x 75.6 x 8.9 mm
6.50 x 2.98 x 0.35 in		 165.8 x 76.7 x 8.8 mm
6.53 x 3.02 x 0.35 in
Weight 227 g
8.01 oz		 209 g
7.37 oz
Screen
Size 6.8 inches 6.67 inches
Resolution 1,440 x 3,200 pixels 1,080 x 2,400 pixels
PPI 515 395
Features OLED, 120Hz -
Cameras
Rear Quad camera
108 MP f/1.8 Wide
12 MP f/2.2 Ultra Wide
10 MP f/2.4 Telephoto
10 MP f/4.9 Periscope Telephoto		 Quad camera
48 MP f/1.8 Wide
8 MP f/2.2 Ultra Wide
5 MP f/2.4 Macro
2 MP f/2.4 Depth
Front 40 MP f/2.2 Wide 16 MP f/2.5 Wide
Storage
Memory 12 GB
16 GB		 4 GB
6 GB
Fixed 128 GB
256 GB
512 GB		 64 GB
128 GB
Removable - microSDXC
Processor
Chip Samsung Exynos 2100
Octa-core processor
5 nm		 Qualcomm Snapdragon 720G SM7125
Octa-core processor
8 nm
CPU 1x 2.90 GHz Cortex-X1
3x 2.80 GHz Cortex-A78
4x 2.20 GHz Cortex-A55		 2x 2.30 GHz Kryo 465 Gold
6x 1.80 GHz Kryo 465 Silver
GPU Mali-G78 MP14 Adreno 618
Battery
Capacity 5,000 mAh 5,020 mAh
Features Fast charging 25W Fast charging 18W
Removable False False
Connectivity
5G True False
NFC True True
3.5 mm Audio Jack False True
Micro USB False False
USB Type-C True True
Lightning False False

Size comparison

Samsung Galaxy S21 Ultra 5G Xiaomi Redmi Note 9S

Samsung Galaxy S21 Ultra 5G

Xiaomi Redmi Note 9S

6.8"
227 g
8.01 oz

6.67"
209 g
7.37 oz