Samsung Galaxy A03s vs Galaxy A21

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

Samsung Galaxy A03sSamsung Galaxy A03sHelio P35Change
Samsung Galaxy A21Helio P35Change

Key differences

  1. Battery: 4,900 mAh on the Galaxy A03s, 3,900 mAh on the Galaxy A21.
  2. Main camera: 13.2 MP on the Galaxy A03s, 16.2 MP on the Galaxy A21.
  3. Versions: owners have shared the Galaxy A03s as 4GB | 64GB, the Galaxy A21 as 3GB | 32GB.
  4. Software: Android 13 on the Galaxy A03s, Android 10 on the Galaxy A21 (newest seen).

The same on both: the Helio P35 chip, a 60 Hz screen and Widevine L1.

Chipset

Chipset
Helio P35Helio P35
Process
12 nm12 nm
CPU
4× 2.30 GHz Cortex-A53
4× 1.80 GHz Cortex-A534× 2.30 GHz Cortex-A53
4× 1.80 GHz Cortex-A53
Top CPU speed
2.30 GHz2.30 GHz
CPU cores
88
GPU
PowerVR Rogue GE8320PowerVR Rogue GE8320

Memory

Versions seen
4GB | 64GB3GB | 32GB
RAM type
LPDDR4XLPDDR4X

Display

Size
6.5 in6.5 in
Resolution
720 × 1600720 × 1600
Pixel density
271 ppi269 ppi
Refresh rates
60 Hz60 Hz

Battery

Capacity
4,900 mAh3,900 mAh

Cameras

Back camera
13.2 MP4224 × 3136 · f/2.8 · 3.38 mm16.2 MP4640 × 3488 · f/1.8 · 4.05 mm
Front camera
5 MP2592 × 1944 · f/2.8 · 2.23 mm13.1 MP4208 × 3120 · f/2 · 3.76 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 6—
6 GHz Wi-Fi
No—
Bluetooth LE Audio
No—
NFC
NoYes
UWB
NoNo
USB host
YesYes

Software

Android
Android 13Android 10
UI
One UI 5.1—
Released with
Android 11Android 10
Widevine DRM
L1L1

Sensors

Sensors
8 sensors26 sensors
Galaxy A03s full specs Galaxy A21 full specs

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