Samsung Galaxy A21s vs Galaxy J7 Prime2
Specs compared side by side, measured on real phones shared by owners with the Device Info app.
Key differences
- 1Chipset: the Galaxy A21s uses the Exynos 850 (8 nm), the Galaxy J7 Prime2 the Exynos 7870 (14 nm). The Galaxy A21s's fastest core runs at 2.00 GHz, the Galaxy J7 Prime2's at 1.60 GHz.
- 2Screen: 6.6 inches on the Galaxy A21s, 5.5 inches on the Galaxy J7 Prime2. Both run at up to 60 Hz.
- 3Battery: 4,900 mAh on the Galaxy A21s, 3,300 mAh on the Galaxy J7 Prime2.
- 4Main camera: 12 MP on the Galaxy A21s, 12.9 MP on the Galaxy J7 Prime2.
The same on both: Widevine L1.
Chipset
Chipset
Exynos 850Exynos 7870Process
8 nm14 nm
CPU
4× 2.00 GHz Cortex-A55
4× 2.00 GHz Cortex-A558× 1.60 GHz Cortex-A53
4× 2.00 GHz Cortex-A558× 1.60 GHz Cortex-A53
Top CPU speed
2.00 GHz1.60 GHz
CPU cores
88
GPU
Mali-G52Mali-T830
Memory
Versions seen
4GB | 64GB3GB | 32GB
RAM type
LPDDR4XLPDDR3
Display
Size
6.6 in5.5 in
Resolution
720 × 16001080 × 1920
Pixel density
267 ppi403 ppi
Refresh rates
60 Hz60 Hz
Battery
Capacity
4,900 mAh3,300 mAh
Cameras
Back camera 1
12 MP4000 × 3000 · f/2 · 4.6 mm · OIS12.9 MP4144 × 3106 · f/1.9 · 3.6 mm
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 · OIS12.9 MP4144 × 3106 · f/1.9 · 2.53 mm
Front camera 2
8.7 MP3408 × 2556 · f/2.2 · 3.39 mm · OIS—
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
NoNo
UWB
NoNo
USB host
YesYes
Software
Android
Android 12Android 9
UI
One UI 4.1—
Released with
Android 10Android 7.1
Widevine DRM
L1L1
Sensors
Sensors
28 sensors4 sensors
These two phones have the same specs in every row.
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