Samsung Galaxy A21 vs Galaxy S8
Specs compared side by side, measured on real phones shared by owners with the Device Info app.
Key differences
- 1Chipset: the Galaxy A21 uses the Helio P35 (12 nm), the Galaxy S8 the Exynos 8895 (10 nm). The Galaxy A21's fastest core runs at 2.30 GHz, the Galaxy S8's at 2.31 GHz.
- 2Screen: 6.5 inches on the Galaxy A21, 7.8 inches on the Galaxy S8. Both run at up to 60 Hz.
- 3Battery: 3,900 mAh on the Galaxy A21, 3,000 mAh on the Galaxy S8.
- 4Main camera: 16.2 MP on the Galaxy A21, 12.2 MP on the Galaxy S8.
The same on both: NFC.
Chipset
Chipset
Helio P35
Exynos 8895Process
12 nm10 nm
CPU
4× 2.30 GHz Cortex-A53
4× 1.80 GHz Cortex-A534× 2.31 GHz Mongoose M2
4× 1.69 GHz Cortex-A53
4× 1.80 GHz Cortex-A534× 2.31 GHz Mongoose M2
4× 1.69 GHz Cortex-A53
Top CPU speed
2.30 GHz2.31 GHz
CPU cores
88
GPU
PowerVR Rogue GE8320Mali-G71
Memory
Versions seen
3GB | 32GB4GB | 64GB
RAM type
LPDDR4XLPDDR4X
Display
Size
6.5 in7.8 in
Resolution
720 × 16001440 × 2960
Pixel density
269 ppi424 ppi
Refresh rates
60 Hz60 Hz
Battery
Capacity
3,900 mAh3,000 mAh
Cameras
Back camera
16.2 MP4640 × 3488 · f/1.8 · 4.05 mm12.2 MP4032 × 3024 · f/1.7 · 4.2 mm · OIS
Front camera
13.1 MP4208 × 3120 · f/2 · 3.76 mm8 MP3264 × 2448 · f/1.7 · 2.95 mm
Megapixels are what Android reports to apps. Many phones combine pixels by default, so the advertised megapixels can be higher.
Connectivity
NFC
YesYes
UWB
NoNo
USB host
YesYes
Software
Android
Android 10Android 9
Released with
Android 10Android 7.0
Widevine DRM
L1L3
Sensors
Sensors
26 sensors34 sensors
These two phones have the same specs in every row.
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