Samsung Galaxy S10 vs Galaxy S21 5G

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

Samsung Galaxy S10Samsung Galaxy S10Snapdragon 855Change
Samsung Galaxy S21 5GSamsung Galaxy S21 5GExynos 2100Change

Key differences

  1. Chipset: the Galaxy S10 uses the Snapdragon 855 (7 nm TSMC), the Galaxy S21 5G the Exynos 2100 (5 nm Samsung). The Galaxy S10's fastest core runs at 2.84 GHz, the Galaxy S21 5G's at 2.91 GHz.
  2. Screen: 12.2 inches on the Galaxy S10, 6.2 inches on the Galaxy S21 5G. Up to 60 Hz on the Galaxy S10, 120 Hz on the Galaxy S21 5G.
  3. Battery: 3,300 mAh on the Galaxy S10, 3,880 mAh on the Galaxy S21 5G.
  4. Main camera: 15.9 MP on the Galaxy S10, 12.2 MP on the Galaxy S21 5G.

The same on both: 8GB | 128GB versions, NFC and Widevine L1.

Chipset

Chipset
Snapdragon 855Exynos 2100
Process
7 nm TSMC5 nm Samsung
CPU
1× 2.84 GHz Kryo 485
3× 2.42 GHz Kryo 485
4× 1.79 GHz Kryo 4851× 2.91 GHz Cortex-X1
3× 2.81 GHz Cortex-A78
4× 2.21 GHz Cortex-A55
Top CPU speed
2.84 GHz2.91 GHz
CPU cores
88
GPU
Adreno 640Mali-G78

Memory

Versions seen
8GB | 128GB8GB | 128GB
RAM type
LPDDR4XLPDDR5

Display

Size
12.2 in6.2 in
Resolution
1440 × 30401080 × 2400
Pixel density
276 ppi423 ppi
Refresh rates
60 Hz120 Hzalso 48, 60, 96
HDR
HDR10, HDR10+, HLGHDR10, HDR10+, HLG

Battery

Capacity
3,300 mAh3,880 mAh

Cameras

Back camera 1
15.9 MP4608 × 3456 · f/2.2 · 1.8 mm12.2 MP4032 × 3024 · f/1.8 · 5.4 mm · OIS
Back camera 2
12.2 MP4032 × 3024 · f/1.5 · 4.3 mm · OIS12.2 MP4032 × 3024 · f/2.2 · 2.2 mm
Front camera 1
10 MP3648 × 2736 · f/1.9 · 3.3 mm10 MP3648 × 2736 · f/2.2 · 3.3 mm
Front camera 2
7.1 MP3216 × 2208 · f/2.2 · 3.25 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 6
6 GHz Wi-Fi
NoNo
Bluetooth LE Audio
—No
NFC
YesYes
UWB
NoNo
USB host
YesYes

Software

Android
Android 12Android 15
UI
One UI 4.1One UI 7.0
Released with
Android 9Android 11
Widevine DRM
L1L1

Sensors

Sensors
53 sensors44 sensors
Galaxy S10 full specs Galaxy S21 5G full specs

See every detail of your own phone

Device Info is free on Google Play. Share your phone's report in two taps.

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