Samsung Galaxy Note20 Ultra 5G vs Galaxy S21 5G

Specs compared side by side, measured on real phones shared by owners with the Device Info app.

Samsung Galaxy Note20 Ultra 5GSamsung Galaxy Note20 Ultra 5GSnapdragon 865 5G+Change
Samsung Galaxy S21 5GSamsung Galaxy S21 5GExynos 2100Change

Key differences

  1. Chipset: the Galaxy Note20 Ultra 5G uses the Snapdragon 865 5G+ (7 nm), the Galaxy S21 5G the Exynos 2100 (5 nm Samsung). The Galaxy Note20 Ultra 5G's fastest core runs at 3.09 GHz, the Galaxy S21 5G's at 2.91 GHz.
  2. Screen: 6.9 inches on the Galaxy Note20 Ultra 5G, 6.2 inches on the Galaxy S21 5G. Up to 60 Hz on the Galaxy Note20 Ultra 5G, 120 Hz on the Galaxy S21 5G.
  3. Battery: 4,370 mAh on the Galaxy Note20 Ultra 5G, 3,880 mAh on the Galaxy S21 5G.
  4. Main camera: 12 MP on the Galaxy Note20 Ultra 5G, 12.2 MP on the Galaxy S21 5G.

The same on both: NFC and Widevine L1.

Chipset

Chipset
Snapdragon 865 5G+Exynos 2100
Process
7 nm5 nm Samsung
CPU
1× 3.09 GHz Kryo 585
3× 2.42 GHz Kryo 585
4× 1.80 GHz Kryo 5851× 2.91 GHz Cortex-X1
3× 2.81 GHz Cortex-A78
4× 2.21 GHz Cortex-A55
Top CPU speed
3.09 GHz2.91 GHz
CPU cores
88
GPU
Adreno 650Mali-G78

Memory

Versions seen
12GB | 128GB8GB | 128GB
RAM type
LPDDR5LPDDR5

Display

Size
6.9 in6.2 in
Resolution
1440 × 30881080 × 2400
Pixel density
496 ppi423 ppi
Refresh rates
60 Hz120 Hzalso 48, 60, 96
HDR
HDR10, HDR10+, HLGHDR10, HDR10+, HLG

Battery

Capacity
4,370 mAh3,880 mAh

Cameras

Back camera 1
12 MP4000 × 3000 · f/1.8 · 7 mm · OIS12.2 MP4032 × 3024 · f/1.8 · 5.4 mm · OIS
Back camera 2
12 MP4000 × 3000 · f/2.2 · 2.2 mm12.2 MP4032 × 3024 · f/2.2 · 2.2 mm
Front camera 1
10 MP3648 × 2736 · f/2.2 · 3.3 mm10 MP3648 × 2736 · f/2.2 · 3.3 mm
Front camera 2
7.1 MP3216 × 2208 · f/2.2 · 3.3 mm7.1 MP3216 × 2208 · f/2.2 · 3.3 mm

Megapixels are what Android reports to apps. Many phones combine pixels by default, so the advertised megapixels can be higher.

Connectivity

Wi-Fi
—Wi-Fi 6
6 GHz Wi-Fi
NoNo
Bluetooth LE Audio
NoNo
NFC
YesYes
UWB
YesNo
USB host
YesYes

Software

Android
Android 13Android 15
UI
One UI 5.1One UI 7.0
Released with
Android 10Android 11
Widevine DRM
L1L1

Sensors

Sensors
41 sensors44 sensors
Galaxy Note20 Ultra 5G full specs Galaxy S21 5G full specs

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From phones shared with the Device Info app · updated October 2026 Hardware specs only. No personal data. Privacy