Samsung Galaxy J7 Prime2 vs Galaxy S21 5G
Specs compared side by side, measured on real phones shared by owners with the Device Info app.
Key differences
- 1Chipset: the Galaxy J7 Prime2 uses the Exynos 7870 (14 nm), the Galaxy S21 5G the Exynos 2100 (5 nm Samsung). The Galaxy J7 Prime2's fastest core runs at 1.60 GHz, the Galaxy S21 5G's at 2.91 GHz.
- 2Screen: 5.5 inches on the Galaxy J7 Prime2, 6.2 inches on the Galaxy S21 5G. Up to 60 Hz on the Galaxy J7 Prime2, 120 Hz on the Galaxy S21 5G.
- 3Battery: 3,300 mAh on the Galaxy J7 Prime2, 3,880 mAh on the Galaxy S21 5G.
- 4Main camera: 12.9 MP on the Galaxy J7 Prime2, 12.2 MP on the Galaxy S21 5G.
The same on both: Widevine L1.
Chipset
Chipset
Exynos 7870Exynos 2100Process
14 nm5 nm Samsung
CPU
8× 1.60 GHz Cortex-A531× 2.91 GHz Cortex-X1
3× 2.81 GHz Cortex-A78
4× 2.21 GHz Cortex-A55
3× 2.81 GHz Cortex-A78
4× 2.21 GHz Cortex-A55
Top CPU speed
1.60 GHz2.91 GHz
CPU cores
88
GPU
Mali-T830Mali-G78
Memory
Versions seen
3GB | 32GB8GB | 128GB
RAM type
LPDDR3LPDDR5
Display
Size
5.5 in6.2 in
Resolution
1080 × 19201080 × 2400
Pixel density
403 ppi423 ppi
Refresh rates
60 Hz120 Hzalso 48, 60, 96
HDR
—HDR10, HDR10+, HLG
Battery
Capacity
3,300 mAh3,880 mAh
Cameras
Back camera 1
12.9 MP4144 × 3106 · f/1.9 · 3.6 mm12.2 MP4032 × 3024 · f/1.8 · 5.4 mm · OIS
Back camera 2
—12.2 MP4032 × 3024 · f/2.2 · 2.2 mm
Front camera 1
12.9 MP4144 × 3106 · f/1.9 · 2.53 mm10 MP3648 × 2736 · f/2.2 · 3.3 mm
Front camera 2
—7.1 MP3216 × 2208 · f/2.2 · 3.3 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
Bluetooth LE Audio
—No
NFC
NoYes
UWB
NoNo
USB host
YesYes
Software
Android
Android 9Android 15
UI
—One UI 7.0
Released with
Android 7.1Android 11
Widevine DRM
L1L1
Sensors
Sensors
4 sensors44 sensors
These two phones have the same specs in every row.
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