Samsung Galaxy A51 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 A51 uses the Exynos 9611 (10 nm), the Galaxy J7 Prime2 the Exynos 7870 (14 nm). The Galaxy A51's fastest core runs at 2.31 GHz, the Galaxy J7 Prime2's at 1.60 GHz.
- 2Screen: 6.5 inches on the Galaxy A51, 5.5 inches on the Galaxy J7 Prime2. Both run at up to 60 Hz.
- 3Battery: 3,890 mAh on the Galaxy A51, 3,300 mAh on the Galaxy J7 Prime2.
- 4Main camera: 12 MP on the Galaxy A51, 12.9 MP on the Galaxy J7 Prime2.
The same on both: Widevine L1.
Chipset
Chipset
Exynos 9611Exynos 7870Process
10 nm14 nm
CPU
4× 2.31 GHz Cortex-A73
4× 1.74 GHz Cortex-A538× 1.60 GHz Cortex-A53
4× 1.74 GHz Cortex-A538× 1.60 GHz Cortex-A53
Top CPU speed
2.31 GHz1.60 GHz
CPU cores
88
GPU
Mali-G72Mali-T830
Memory
Versions seen
6GB | 128GB3GB | 32GB
RAM type
LPDDR4XLPDDR3
Display
Size
6.5 in5.5 in
Resolution
1080 × 24001080 × 1920
Pixel density
407 ppi403 ppi
Refresh rates
60 Hz60 Hz
Battery
Capacity
3,890 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
12 MP4000 × 3000 · f/2.2 · 1.74 mm · OIS—
Front camera 1
8 MP3264 × 2448 · f/2.2 · 3.72 mm12.9 MP4144 × 3106 · f/1.9 · 2.53 mm
Front camera 2
5.2 MP2640 × 1980 · f/2.2 · 3.72 mm—
Megapixels are what Android reports to apps. Many phones combine pixels by default, so the advertised megapixels can be higher.
Connectivity
6 GHz Wi-Fi
No—
Bluetooth LE Audio
No—
NFC
YesNo
UWB
NoNo
USB host
YesYes
Software
Android
Android 13Android 9
UI
One UI 5.1—
Released with
Android 10Android 7.1
Widevine DRM
L1L1
Sensors
Sensors
35 sensors4 sensors
These two phones have the same specs in every row.
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