Compare phones side by side

Xiaomi Redmi Note 9S

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

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.

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.
Head to Head
  • Lighter (9%)
  • 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

Prices Info

We don't have prices for this model
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

Specifications

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

Size comparison

Xiaomi Redmi Note 9S Samsung Galaxy S21 Ultra 5G

Xiaomi Redmi Note 9S

Samsung Galaxy S21 Ultra 5G

6.67"
209 g
7.37 oz

6.8"
227 g
8.01 oz