Samsung Galaxy S20 5G vs Galaxy S21 5G

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

Samsung Galaxy S20 5GSamsung Galaxy S20 5GSnapdragon 865 5GChange
Samsung Galaxy S21 5GSamsung Galaxy S21 5GExynos 2100Snapdragon 8882 chip versionsChange

Key differences

  1. Chipset: the Galaxy S20 5G uses the Snapdragon 865 5G (7 nm TSMC N7P), the Galaxy S21 5G the Exynos 2100 (5 nm Samsung). The Galaxy S20 5G's fastest core runs at 2.84 GHz, the Galaxy S21 5G's at 2.91 GHz.
  2. Screen: 8.3 inches on the Galaxy S20 5G, 6.2 inches on the Galaxy S21 5G. Up to 60 Hz on the Galaxy S20 5G, 120 Hz on the Galaxy S21 5G.
  3. Versions: owners have shared the Galaxy S20 5G as 12GB | 128GB, the Galaxy S21 5G as 8GB | 128GB and 8GB | 256GB.
  4. Software: Android 13 on the Galaxy S20 5G, Android 15 on the Galaxy S21 5G (newest seen).

The same on both: Wi-Fi 6, NFC and Widevine L1.

Chipset

Chipset
Snapdragon 865 5GExynos 2100
Process
7 nm TSMC N7P5 nm Samsung
CPU
1× 2.84 GHz Cortex-A77
3× 2.42 GHz Cortex-A77
4× 1.80 GHz Cortex-A551× 2.91 GHz Cortex-X1
3× 2.81 GHz Cortex-A78
4× 2.21 GHz Cortex-A55
Top CPU speed
2.84 GHz2.91 GHz
CPU cores
88
GPU
Adreno 650Mali-G78

Memory

Versions seen
12GB | 128GB8GB | 128GB
8GB | 256GB
RAM type
LPDDR5LPDDR5

Display

Size
8.3 in6.2 in
Resolution
1440 × 32001080 × 2400
Pixel density
424 ppi423 ppi
Refresh rates
60 Hz120 Hzalso 48, 60, 96
HDR
HDR10, HDR10+, HLGHDR10, HDR10+, HLG

Battery

Capacity
3,880 mAh3,880 mAh

Cameras

Back camera 1
12.2 MP4032 × 3024 · f/1.8 · 5.4 mm · OIS12.2 MP4032 × 3024 · f/1.8 · 5.4 mm · OIS
Back camera 2
12.2 MP4032 × 3024 · 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 6Wi-Fi 6
6 GHz Wi-Fi
NoNo
Bluetooth LE Audio
NoNo
NFC
YesYes
UWB
NoNo
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
39 sensors44 sensors
Galaxy S20 5G full specs Galaxy S21 5G full specs

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