Samsung Galaxy A21s vs Galaxy A40
Chipset
Chipset
Exynos 850Exynos 7904Process
8 nm14 nm
CPU
4× 2.00 GHz Cortex-A55
4× 2.00 GHz Cortex-A552× 1.77 GHz Cortex-A73
6× 1.59 GHz Cortex-A53
4× 2.00 GHz Cortex-A552× 1.77 GHz Cortex-A73
6× 1.59 GHz Cortex-A53
Top CPU speed
2.00 GHz1.77 GHz
CPU cores
88
GPU
Mali-G52Mali-G71
Memory
Versions seen
4GB | 64GB4GB | 64GB
RAM type
LPDDR4XLPDDR4
Display
Size
6.6 in5.9 in
Resolution
720 × 16001080 × 2340
Pixel density
267 ppi439 ppi
Refresh rates
60 Hz60 Hz
Battery
Capacity
4,900 mAh3,020 mAh
Cameras
Back camera 1
12 MP4000 × 3000 · f/2 · 4.6 mm · OIS15.9 MP4608 × 3456 · f/1.7 · 3.92 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 · OIS24.8 MP5760 × 4312 · f/2 · 3.75 mm
Front camera 2
8.7 MP3408 × 2556 · f/2.2 · 3.39 mm · OIS16.5 MP4688 × 3516 · f/2 · 3.75 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
NFC
NoYes
UWB
NoNo
USB host
YesYes
Software
Android
Android 12Android 11
UI
One UI 4.1—
Released with
Android 10Android 9
Widevine DRM
L1L1
Sensors
Sensors
28 sensors26 sensors
These two phones have the same specs in every row.
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