Samsung Galaxy S21 Ultra 5G vs Galaxy Z Flip3 5G

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

Samsung Galaxy S21 Ultra 5GSamsung Galaxy S21 Ultra 5GSnapdragon 888Exynos 21002 chip versionsChange
Samsung Galaxy Z Flip3 5GSnapdragon 888Change

Key differences

  1. Chipset: the Galaxy S21 Ultra 5G uses the Exynos 2100 (5 nm Samsung), the Galaxy Z Flip3 5G the Snapdragon 888 (5 nm Samsung). The Galaxy S21 Ultra 5G's fastest core runs at 2.91 GHz, the Galaxy Z Flip3 5G's at 2.84 GHz.
  2. Screen: 6.8 inches on the Galaxy S21 Ultra 5G, 6.7 inches on the Galaxy Z Flip3 5G. Up to 120 Hz on the Galaxy S21 Ultra 5G, 60 Hz on the Galaxy Z Flip3 5G.
  3. Battery: 4,855 mAh on the Galaxy S21 Ultra 5G, 3,203 mAh on the Galaxy Z Flip3 5G.
  4. Versions: owners have shared the Galaxy S21 Ultra 5G as 10GB | 128GB and 16GB | 512GB, the Galaxy Z Flip3 5G as 8GB | 256GB.

The same on both: NFC and Widevine L1.

Chipset

Chipset
Exynos 2100Snapdragon 888
Process
5 nm Samsung5 nm Samsung
CPU
1× 2.91 GHz Cortex-X1
3× 2.81 GHz Cortex-A78
4× 2.21 GHz Cortex-A551× 2.84 GHz Cortex-X1
3× 2.42 GHz Cortex-A78
4× 1.80 GHz Cortex-A55
Top CPU speed
2.91 GHz2.84 GHz
CPU cores
88
GPU
Mali-G78Adreno 660

Memory

Versions seen
10GB | 128GB
16GB | 512GB8GB | 256GB
RAM type
LPDDR5LPDDR5

Display

Size
6.8 in6.7 in
Resolution
1440 × 32001080 × 2640
Pixel density
515 ppi425 ppi
Refresh rates
120 Hzalso 48, 60, 9660 Hz
HDR
HDR10, HDR10+, HLGHDR10, HDR10+, HLG

Battery

Capacity
4,855 mAh3,203 mAh

Cameras

Back camera 1
12 MP4000 × 3000 · f/1.8 · 6.7 mm · OIS12 MP4000 × 3000 · f/1.8 · 4.25 mm · OIS
Back camera 2
12 MP4000 × 3000 · f/2.2 · 2.2 mm12 MP4000 × 3000 · f/2.2 · 1.74 mm
Front camera 1
10 MP3648 × 2736 · f/2.2 · 3.8 mm10 MP3648 × 2736 · f/2.4 · 3.17 mm
Front camera 2
7.1 MP3216 × 2208 · f/2.2 · 3.8 mm7.1 MP3216 × 2208 · f/2.4 · 3.17 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 6EWi-Fi 6
6 GHz Wi-Fi
YesNo
Bluetooth LE Audio
NoNo
NFC
YesYes
UWB
YesNo
USB host
YesYes

Software

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

Sensors

Sensors
43 sensors50 sensors
Galaxy S21 Ultra 5G full specs Galaxy Z Flip3 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