Samsung Galaxy S20 Ultra 5G vs Galaxy S21 Ultra 5G

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

Samsung Galaxy S20 Ultra 5GSamsung Galaxy S20 Ultra 5GExynos 990Snapdragon 865 5G2 chip versionsChange
Samsung Galaxy S21 Ultra 5GSamsung Galaxy S21 Ultra 5GSnapdragon 888Exynos 21002 chip versionsChange

Key differences

  1. Chipset: the Galaxy S20 Ultra 5G uses the Exynos 990 (7 nm Samsung), the Galaxy S21 Ultra 5G the Exynos 2100 (5 nm Samsung). The Galaxy S20 Ultra 5G's fastest core runs at 2.73 GHz, the Galaxy S21 Ultra 5G's at 2.91 GHz.
  2. Screen: 6.9 inches on the Galaxy S20 Ultra 5G, 6.8 inches on the Galaxy S21 Ultra 5G. Up to 60 Hz on the Galaxy S20 Ultra 5G, 120 Hz on the Galaxy S21 Ultra 5G.
  3. Versions: owners have shared the Galaxy S20 Ultra 5G as 12GB | 128GB, the Galaxy S21 Ultra 5G as 10GB | 128GB and 16GB | 512GB.
  4. Software: Android 13 on the Galaxy S20 Ultra 5G, Android 15 on the Galaxy S21 Ultra 5G (newest seen).

The same on both: NFC and Widevine L1.

Chipset

Chipset
Exynos 990Exynos 2100
Process
7 nm Samsung5 nm Samsung
CPU
2× 2.73 GHz Mongoose M5
2× 2.50 GHz Cortex-A76
4× 2.00 GHz Cortex-A551× 2.91 GHz Cortex-X1
3× 2.81 GHz Cortex-A78
4× 2.21 GHz Cortex-A55
Top CPU speed
2.73 GHz2.91 GHz
CPU cores
88
GPU
Mali-G77Mali-G78

Memory

Versions seen
12GB | 128GB10GB | 128GB
16GB | 512GB
RAM type
LPDDR5LPDDR5

Display

Size
6.9 in6.8 in
Resolution
720 × 16001440 × 3200
Pixel density
256 ppi515 ppi
Refresh rates
60 Hz120 Hzalso 48, 60, 96
HDR
HDR10, HDR10+, HLGHDR10, HDR10+, HLG

Battery

Capacity
4,855 mAh4,855 mAh

Cameras

Back camera 1
12 MP4000 × 3000 · f/1.8 · 7 mm · OIS12 MP4000 × 3000 · f/1.8 · 6.7 mm · OIS
Back camera 2
12 MP4000 × 3000 · f/2.2 · 2.22 mm12 MP4000 × 3000 · f/2.2 · 2.2 mm
Back camera 3
0.3 MP640 × 480 · f/1 · 2.58 mm—
Front camera 1
10 MP3648 × 2736 · f/2.2 · 3.8 mm10 MP3648 × 2736 · f/2.2 · 3.8 mm
Front camera 2
7.1 MP3216 × 2208 · f/2.2 · 3.8 mm7.1 MP3216 × 2208 · f/2.2 · 3.8 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 6Wi-Fi 6E
6 GHz Wi-Fi
NoYes
Bluetooth LE Audio
NoNo
NFC
YesYes
UWB
NoYes
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
43 sensors43 sensors
Galaxy S20 Ultra 5G full specs Galaxy S21 Ultra 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