Samsung Galaxy S21 5G vs Galaxy Tab A7

Specs compared side by side, measured on real phones shared by owners with the Device Info app.

Samsung Galaxy S21 5GSamsung Galaxy S21 5GExynos 2100Change
Samsung Galaxy Tab A7Samsung Galaxy Tab A7Snapdragon 662Change

Key differences

  1. Chipset: the Galaxy S21 5G uses the Exynos 2100 (5 nm Samsung), the Galaxy Tab A7 the Snapdragon 662 (11 nm). The Galaxy S21 5G's fastest core runs at 2.91 GHz, the Galaxy Tab A7's at 2.02 GHz.
  2. Screen: 6.2 inches on the Galaxy S21 5G, 10.4 inches on the Galaxy Tab A7. Up to 120 Hz on the Galaxy S21 5G, 60 Hz on the Galaxy Tab A7.
  3. Battery: 3,880 mAh on the Galaxy S21 5G, 6,820 mAh on the Galaxy Tab A7.
  4. Main camera: 12.2 MP on the Galaxy S21 5G, 8 MP on the Galaxy Tab A7.

The same on both: Wi-Fi 6 and Widevine L1.

Chipset

Chipset
Exynos 2100Snapdragon 662
Process
5 nm Samsung11 nm
CPU
1× 2.91 GHz Cortex-X1
3× 2.81 GHz Cortex-A78
4× 2.21 GHz Cortex-A554× 2.02 GHz Kryo 260 Gold
4× 1.80 GHz Kryo 260 Silver
Top CPU speed
2.91 GHz2.02 GHz
CPU cores
88
GPU
Mali-G78Adreno 610

Memory

Versions seen
8GB | 128GB3GB | 32GB
RAM type
LPDDR5LPDDR4X

Display

Size
6.2 in10.4 in
Resolution
1080 × 24001200 × 2000
Pixel density
423 ppi225 ppi
Refresh rates
120 Hzalso 48, 60, 9660 Hz
HDR
HDR10, HDR10+, HLG—

Battery

Capacity
3,880 mAh6,820 mAh

Cameras

Back camera 1
12.2 MP4032 × 3024 · f/1.8 · 5.4 mm · OIS8 MP3264 × 2448 · f/2 · 2.85 mm
Back camera 2
12.2 MP4032 × 3024 · f/2.2 · 2.2 mm—
Front camera 1
10 MP3648 × 2736 · f/2.2 · 3.3 mm5 MP2592 × 1944 · f/2.4 · 2.24 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 6Wi-Fi 6
6 GHz Wi-Fi
NoNo
Bluetooth LE Audio
No—
NFC
YesNo
UWB
NoNo
USB host
YesYes

Software

Android
Android 15Android 12
UI
One UI 7.0One UI 4.1
Released with
Android 11Android 10
Widevine DRM
L1L1

Sensors

Sensors
44 sensors35 sensors
Galaxy S21 5G full specs Galaxy Tab A7 full specs

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From phones shared with the Device Info app · updated October 2026 Hardware specs only. No personal data. Privacy