Samsung Galaxy A21s vs Galaxy S9
Chipset
Chipset
Exynos 850Exynos 9810Process
8 nm10 nm
CPU
4× 2.00 GHz Cortex-A55
4× 2.00 GHz Cortex-A554× 2.70 GHz Mongoose M3
4× 1.79 GHz Cortex-A55
4× 2.00 GHz Cortex-A554× 2.70 GHz Mongoose M3
4× 1.79 GHz Cortex-A55
Top CPU speed
2.00 GHz2.70 GHz
CPU cores
88
GPU
Mali-G52Mali-G72
Memory
Versions seen
4GB | 64GB4GB | 64GB
RAM type
LPDDR4XLPDDR4X
Display
Size
6.6 in11.6 in
Resolution
720 × 16001440 × 2960
Pixel density
267 ppi285 ppi
Refresh rates
60 Hz60 Hz
HDR
—HDR10, HLG
Battery
Capacity
4,900 mAh3,000 mAh
Cameras
Back camera 1
12 MP4000 × 3000 · f/2 · 4.6 mm · OIS12.2 MP4032 × 3024 · f/1.5 · 4.3 mm · OIS
Back camera 2
8 MP3264 × 2448 · f/2.2 · 1.42 mm—
Front camera 1
12.8 MP4128 × 3096 · f/2.2 · 3.39 mm · OIS8 MP3264 × 2448 · f/1.7 · 2.92 mm
Front camera 2
8.7 MP3408 × 2556 · f/2.2 · 3.39 mm · OIS5.2 MP2640 × 1980 · f/1.7 · 2.92 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
—No
NFC
NoYes
UWB
NoNo
USB host
YesYes
Software
Android
Android 12Android 16
UI
One UI 4.1One UI 8.0
Released with
Android 10Android 8.0
Widevine DRM
L1L1
Sensors
Sensors
28 sensors38 sensors
These two phones have the same specs in every row.
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