Samsung Galaxy S21 5G vs Galaxy S21+ 5G

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

Samsung Galaxy S21 5GExynos 2100Change
Samsung Galaxy S21+ 5GExynos 2100Change

Key differences

  1. Screen: 6.2 inches on the Galaxy S21 5G, 6.7 inches on the Galaxy S21+ 5G. Up to 120 Hz on the Galaxy S21 5G, 60 Hz on the Galaxy S21+ 5G.
  2. Battery: 3,880 mAh on the Galaxy S21 5G, 4,660 mAh on the Galaxy S21+ 5G.
  3. Versions: owners have shared the Galaxy S21 5G as 8GB | 128GB, the Galaxy S21+ 5G as 8GB | 256GB.

The same on both: the Exynos 2100 chip, Android 15 with One UI 7.0, Wi-Fi 6, NFC and Widevine L1.

Chipset

Chipset
Exynos 2100Exynos 2100
Process
5 nm Samsung5 nm Samsung
CPU
1× 2.91 GHz Cortex-X1
3× 2.81 GHz Cortex-A78
4× 2.21 GHz Cortex-A551× 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
Mali-G78Mali-G78

Memory

Versions seen
8GB | 128GB8GB | 256GB
RAM type
LPDDR5LPDDR5

Display

Size
6.2 in6.7 in
Resolution
1080 × 24001080 × 2400
Pixel density
423 ppi393 ppi
Refresh rates
120 Hzalso 48, 60, 9660 Hz
HDR
HDR10, HDR10+, HLGHDR10, HDR10+, HLG

Battery

Capacity
3,880 mAh4,660 mAh

Cameras

Back camera 1
12.2 MP4032 × 3024 · f/1.8 · 5.4 mm · OIS12.2 MP4032 × 3024 · f/1.8 · 5.4 mm · OIS
Back camera 2
12.2 MP4032 × 3024 · f/2.2 · 2.2 mm12.2 MP4032 × 3024 · f/2.2 · 2.2 mm
Front camera 1
10 MP3648 × 2736 · f/2.2 · 3.3 mm10 MP3648 × 2736 · f/2.2 · 3.3 mm
Front camera 2
7.1 MP3216 × 2208 · f/2.2 · 3.3 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
NoNo
NFC
YesYes
UWB
NoYes
USB host
YesYes

Software

Android
Android 15Android 15
UI
One UI 7.0One UI 7.0
Released with
Android 11Android 11
Widevine DRM
L1L1

Sensors

Sensors
44 sensors44 sensors
Galaxy S21 5G 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