Samsung Galaxy Note8 vs Galaxy S21 Ultra 5G

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

Samsung Galaxy Note8Samsung Galaxy Note8Exynos 8895Change
Samsung Galaxy S21 Ultra 5GSamsung Galaxy S21 Ultra 5GSnapdragon 888Exynos 21002 chip versionsChange

Key differences

  1. Chipset: the Galaxy Note8 uses the Exynos 8895 (10 nm), the Galaxy S21 Ultra 5G the Exynos 2100 (5 nm Samsung). The Galaxy Note8's fastest core runs at 2.31 GHz, the Galaxy S21 Ultra 5G's at 2.91 GHz.
  2. Screen: 8.5 inches on the Galaxy Note8, 6.8 inches on the Galaxy S21 Ultra 5G. Up to 60 Hz on the Galaxy Note8, 120 Hz on the Galaxy S21 Ultra 5G.
  3. Battery: 3,300 mAh on the Galaxy Note8, 4,855 mAh on the Galaxy S21 Ultra 5G.
  4. Main camera: 12.2 MP on the Galaxy Note8, 12 MP on the Galaxy S21 Ultra 5G.

The same on both: NFC and Widevine L1.

Chipset

Chipset
Exynos 8895Exynos 2100
Process
10 nm5 nm Samsung
CPU
4× 2.31 GHz Mongoose M2
4× 1.69 GHz Cortex-A531× 2.91 GHz Cortex-X1
3× 2.81 GHz Cortex-A78
4× 2.21 GHz Cortex-A55
Top CPU speed
2.31 GHz2.91 GHz
CPU cores
88
GPU
Mali-G71Mali-G78

Memory

Versions seen
6GB | 64GB10GB | 128GB
16GB | 512GB
RAM type
LPDDR4XLPDDR5

Display

Size
8.5 in6.8 in
Resolution
1440 × 29601440 × 3200
Pixel density
388 ppi515 ppi
Refresh rates
60 Hz120 Hzalso 48, 60, 96
HDR
HDR10HDR10, HDR10+, HLG

Battery

Capacity
3,300 mAh4,855 mAh

Cameras

Back camera 1
12.2 MP4032 × 3024 · f/1.7 · 4.3 mm · OIS12 MP4000 × 3000 · f/1.8 · 6.7 mm · OIS
Back camera 2
—12 MP4000 × 3000 · f/2.2 · 2.2 mm
Front camera 1
8 MP3264 × 2448 · f/1.7 · 2.95 mm10 MP3648 × 2736 · f/2.2 · 3.8 mm
Front camera 2
—7.1 MP3216 × 2208 · f/2.2 · 3.8 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 6E
6 GHz Wi-Fi
—Yes
Bluetooth LE Audio
—No
NFC
YesYes
UWB
NoYes
USB host
YesYes

Software

Android
Android 9Android 13–15
UI
—One UI 7.0
Released with
Android 7.1Android 11
Widevine DRM
L1L1

Sensors

Sensors
36 sensors43 sensors
Galaxy Note8 full specs Galaxy S21 Ultra 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 November 2026 Hardware specs only. No personal data. Privacy