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

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

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

Key differences

  1. Chipset: the Galaxy S20 Ultra 5G uses the Snapdragon 865 5G (7 nm TSMC N7P), the Galaxy S21 FE 5G the Exynos 2100 (5 nm Samsung). The Galaxy S20 Ultra 5G's fastest core runs at 2.84 GHz, the Galaxy S21 FE 5G's at 2.91 GHz.
  2. Screen: 6.9 inches on the Galaxy S20 Ultra 5G, 6.4 inches on the Galaxy S21 FE 5G. Up to 60 Hz on the Galaxy S20 Ultra 5G, 120 Hz on the Galaxy S21 FE 5G.
  3. Battery: 4,855 mAh on the Galaxy S20 Ultra 5G, 4,370 mAh on the Galaxy S21 FE 5G.
  4. Versions: owners have shared the Galaxy S20 Ultra 5G as 12GB | 128GB, the Galaxy S21 FE 5G as 6GB | 128GB and 8GB | 256GB.

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 | 128GB6GB | 128GB
8GB | 256GB
RAM type
LPDDR5LPDDR5

Display

Size
6.9 in6.4 in
Resolution
1080 × 24001080 × 2340
Pixel density
384 ppi402 ppi
Refresh rates
60 Hz120 Hz
HDR
HDR10, HDR10+, HLGHDR10, HDR10+, HLG

Battery

Capacity
4,855 mAh4,370 mAh

Cameras

Back camera 1
12 MP4000 × 3000 · f/1.8 · 7 mm · OIS12 MP4000 × 3000 · f/1.8 · 5.4 mm · OIS
Back camera 2
12 MP4000 × 3000 · f/2.2 · 2.2 mm12 MP4000 × 3000 · f/2.2 · 1.74 mm
Back camera 3
0.3 MP640 × 480 · f/1.7 · 3.26 mm—
Front camera 1
10 MP3648 × 2736 · f/2.2 · 3.8 mm8 MP3264 × 2448 · f/2.2 · 3.75 mm
Front camera 2
7.1 MP3216 × 2208 · f/2.2 · 3.8 mm5.2 MP2640 × 1980 · f/2.2 · 3.75 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 16
UI
One UI 5.0One UI 8.0
Released with
Android 10Android 11
Widevine DRM
L1L1

Sensors

Sensors
41 sensors44 sensors
Galaxy S20 Ultra 5G full specs Galaxy S21 FE 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