OnePlus 8T vs Samsung Galaxy S20 Ultra 5G

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

OnePlus 8TSnapdragon 865 5GChange
Samsung Galaxy S20 Ultra 5GSamsung Galaxy S20 Ultra 5GExynos 990Snapdragon 865 5G2 chip versionsChange

Key differences

  1. Chipset: the OnePlus 8T uses the Snapdragon 865 5G (7 nm TSMC N7P), the Galaxy S20 Ultra 5G the Exynos 990 (7 nm Samsung). The OnePlus 8T's fastest core runs at 2.84 GHz, the Galaxy S20 Ultra 5G's at 2.73 GHz.
  2. Screen: 6.6 inches on the OnePlus 8T, 6.9 inches on the Galaxy S20 Ultra 5G. Up to 120 Hz on the OnePlus 8T, 60 Hz on the Galaxy S20 Ultra 5G.
  3. Battery: 4,500 mAh on the OnePlus 8T, 4,855 mAh on the Galaxy S20 Ultra 5G.
  4. Versions: owners have shared the OnePlus 8T as 12GB | 256GB, the Galaxy S20 Ultra 5G as 12GB | 128GB.

The same on both: NFC and Widevine L1.

Chipset

Chipset
Snapdragon 865 5GExynos 990
Process
7 nm TSMC N7P7 nm Samsung
CPU
1× 2.84 GHz Cortex-A77
3× 2.42 GHz Cortex-A77
4× 1.80 GHz Cortex-A552× 2.73 GHz Mongoose M5
2× 2.50 GHz Cortex-A76
4× 2.00 GHz Cortex-A55
Top CPU speed
2.84 GHz2.73 GHz
CPU cores
88
GPU
Adreno 650Mali-G77

Memory

Versions seen
12GB | 256GB12GB | 128GB
RAM type
LPDDR5LPDDR5

Display

Size
6.6 in6.9 in
Resolution
1080 × 2400720 × 1600
Pixel density
402 ppi256 ppi
Refresh rates
120 Hzalso 6060 Hz
HDR
HDR10, HDR10+, HLGHDR10, HDR10+, HLG

Battery

Capacity
4,500 mAh4,855 mAh

Cameras

Back camera 1
12 MP4000 × 3000 · f/1.75 · 4.75 mm · OIS12 MP4000 × 3000 · f/1.8 · 7 mm · OIS
Back camera 2
—12 MP4000 × 3000 · f/2.2 · 2.22 mm
Back camera 3
—0.3 MP640 × 480 · f/1 · 2.58 mm
Front camera 1
4.1 MP2328 × 1748 · f/2.45 · 3.74 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 6
6 GHz Wi-Fi
NoNo
Bluetooth LE Audio
NoNo
NFC
YesYes
UWB
NoNo
USB host
YesYes

Software

Android
Android 14Android 13
UI
—One UI 5.1
Released with
Android 11Android 10
Widevine DRM
L1L1

Sensors

Sensors
54 sensors43 sensors
OnePlus 8T full specs Galaxy S20 Ultra 5G full specs

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