Samsung Galaxy A21 vs Galaxy Z Fold4

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

Samsung Galaxy A21Samsung Galaxy A21Helio P35Change
Samsung Galaxy Z Fold4Samsung Galaxy Z Fold4Snapdragon 8+ Gen 1Change

Key differences

  1. Chipset: the Galaxy A21 uses the Helio P35 (12 nm), the Galaxy Z Fold4 the Snapdragon 8+ Gen 1 (4 nm TSMC). The Galaxy A21's fastest core runs at 2.30 GHz, the Galaxy Z Fold4's at 3.19 GHz.
  2. Screen: 6.5 inches on the Galaxy A21, 6.2 inches on the Galaxy Z Fold4. Both run at up to 60 Hz.
  3. Battery: 3,900 mAh on the Galaxy A21, 4,275 mAh on the Galaxy Z Fold4.
  4. Main camera: 16.2 MP on the Galaxy A21, 12.5 MP on the Galaxy Z Fold4.

The same on both: NFC and Widevine L1.

Chipset

Chipset
Helio P35Snapdragon 8+ Gen 1
Process
12 nm4 nm TSMC
CPU
4× 2.30 GHz Cortex-A53
4× 1.80 GHz Cortex-A531× 3.19 GHz Cortex-X2
3× 2.75 GHz Cortex-A710
4× 2.02 GHz Cortex-A510
Top CPU speed
2.30 GHz3.19 GHz
CPU cores
88
GPU
PowerVR Rogue GE8320Adreno 730

Memory

Versions seen
3GB | 32GB12GB | 256GB
RAM type
LPDDR4XLPDDR5
Storage type
—UFS 3.1

Display

Size
6.5 in6.2 in
Resolution
720 × 1600904 × 2316
Pixel density
269 ppi403 ppi
Refresh rates
60 Hz60 Hz
HDR
—HDR10, HDR10+, HLG

Battery

Capacity
3,900 mAh4,275 mAh

Cameras

Back camera 1
16.2 MP4640 × 3488 · f/1.8 · 4.05 mm12.5 MP4080 × 3060 · f/1.8 · 5.4 mm · OIS
Back camera 2
—12 MP4000 × 3000 · f/2.2 · 1.74 mm
Front camera 1
13.1 MP4208 × 3120 · f/2 · 3.76 mm10 MP3648 × 2736 · f/1.8 · 2.9 mm
Front camera 2
—5.8 MP2912 × 2008 · f/1.8 · 2.9 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 6E
6 GHz Wi-Fi
—Yes
Bluetooth LE Audio
—Yes
NFC
YesYes
UWB
NoYes
USB host
YesYes

Software

Android
Android 10Android 16
UI
—One UI 8.0
Released with
Android 10Android 12L
Widevine DRM
L1L1

Sensors

Sensors
26 sensors54 sensors
Galaxy A21 full specs Galaxy Z Fold4 full specs

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