Samsung Galaxy A21s vs Samsung Galaxy A12

Chipset

Chipset
Exynos 850Exynos 850
Process
8 nm8 nm
CPU
4× 2.00 GHz Cortex-A55
4× 2.00 GHz Cortex-A55
4× 2.00 GHz Cortex-A55
4× 2.00 GHz Cortex-A55
Top CPU speed
2.00 GHz2.00 GHz
CPU cores
88
GPU
Mali-G52Mali-G52

Memory

RAM
4 GB4 GB
RAM type
LPDDR4XLPDDR4X
Storage
64 GB✓64 GB – 128 GB

Display

Size
6.6 in6.5 in
Resolution
720 × 1600720 × 1600
Pixel density
267 ppi✓269 ppi
Refresh rate
60 Hz60 Hz

Battery

Capacity
4,900 mAh4,900 mAh

Cameras

Back
12 + 8 MP12 MP
Front
12.8 + 8.7 MP8 + 5.2 MP
Optical stabilization
YesNo

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
NoNo
Bluetooth LE Audio
—No
NFC
No✓Yes
UWB
NoNo
USB host
YesYes

Software

Android
Android 12Android 12–13
UI
One UI 4.1One UI 4.1
Released with
Android 10Android 10
Widevine DRM
L1L1

Sensors

Sensors
28 sensors20 sensors

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