Samsung Galaxy A56 5G vs Galaxy S21 5G

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

Samsung Galaxy A56 5GSamsung Galaxy A56 5GExynos 1580Change
Samsung Galaxy S21 5GSamsung Galaxy S21 5GExynos 2100Change

Key differences

  1. Chipset: the Galaxy A56 5G uses the Exynos 1580 (4 nm FinFET), the Galaxy S21 5G the Exynos 2100 (5 nm Samsung).
  2. Screen: 6.6 inches on the Galaxy A56 5G, 6.2 inches on the Galaxy S21 5G. Both run at up to 120 Hz.
  3. Battery: 4,905 mAh on the Galaxy A56 5G, 3,880 mAh on the Galaxy S21 5G.
  4. Main camera: 12.5 MP on the Galaxy A56 5G, 12.2 MP on the Galaxy S21 5G.

The same on both: Wi-Fi 6 and NFC.

Chipset

Chipset
Exynos 1580Exynos 2100
Process
4 nm FinFET5 nm Samsung
CPU
1× 2.91 GHz Cortex-A720
3× 2.60 GHz Cortex-A720
4× 1.95 GHz Cortex-A5201× 2.91 GHz Cortex-X1
3× 2.81 GHz Cortex-A78
4× 2.21 GHz Cortex-A55
Top CPU speed
2.91 GHz2.91 GHz
CPU cores
88
GPU
ANGLE ((Samsung Xclipse 540) on Vulkan 1.3.304)Mali-G78

Memory

Versions seen
8GB | 128GB
8GB | 256GB
12GB | 256GB8GB | 128GB
RAM type
LPDDR5LPDDR5
Storage type
UFS 3.1—

Display

Size
6.6 in6.2 in
Resolution
1080 × 23401080 × 2400
Pixel density
388 ppi423 ppi
Refresh rates
120 Hzalso 60120 Hzalso 48, 60, 96
HDR
HDR10, HDR10+, HLGHDR10, HDR10+, HLG

Battery

Capacity
4,905 mAh3,880 mAh

Cameras

Back camera 1
12.5 MP4080 × 3060 · f/1.8 · 5.54 mm · OIS12.2 MP4032 × 3024 · f/1.8 · 5.4 mm · OIS
Back camera 2
12 MP4000 × 3000 · f/2.2 · 1.74 mm12.2 MP4032 × 3024 · f/2.2 · 2.2 mm
Front camera 1
12 MP4000 × 3000 · f/2.2 · 3.18 mm10 MP3648 × 2736 · f/2.2 · 3.3 mm
Front camera 2
8.3 MP3472 × 2388 · f/2.2 · 3.18 mm7.1 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
YesNo
NFC
YesYes
UWB
NoNo
USB host
YesYes

Software

Android
Android 16–17Android 15
UI
One UI 9.0One UI 7.0
Released with
Android 15Android 11
Widevine DRM
L3L1

Sensors

Sensors
34 sensors44 sensors
Galaxy A56 5G full specs Galaxy S21 5G full specs

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