Samsung Galaxy A21s vs Galaxy Note9
Chipset
Chipset
Exynos 850
Snapdragon 845Process
8 nm10 nm
CPU
4× 2.00 GHz Cortex-A55
4× 2.00 GHz Cortex-A554× 2.80 GHz Kryo 385 Gold
4× 1.77 GHz Kryo 385 Silver
4× 2.00 GHz Cortex-A554× 2.80 GHz Kryo 385 Gold
4× 1.77 GHz Kryo 385 Silver
Top CPU speed
2.00 GHz2.80 GHz
CPU cores
88
GPU
Mali-G52Adreno 630
Memory
Versions seen
4GB | 64GB6GB | 128GB
RAM type
LPDDR4XLPDDR4X
Display
Size
6.6 in8.5 in
Resolution
720 × 16001440 × 2960
Pixel density
267 ppi389 ppi
Refresh rates
60 Hz60 Hz
HDR
—HDR10, HLG
Battery
Capacity
4,900 mAh4,000 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 6—
6 GHz Wi-Fi
No—
NFC
NoYes
UWB
NoNo
USB host
YesYes
Software
Android
Android 12Android 10
UI
One UI 4.1—
Released with
Android 10Android 8.1
Widevine DRM
L1L1
Sensors
Sensors
28 sensors41 sensors
These two phones have the same specs in every row.
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