Samsung·Flagship · Released Jan 2021
Galaxy S21 Ultra
The 2021 Ultra — first dual-telephoto Galaxy, first with S Pen support.
83/ 100 SpecEagle score
From
$1,199
Color · Phantom Black
Display
6.8" LTPO AMOLED
Chipset
SD 888
Memory
12 GB · 128 GB
Main cam
108 MP · f/1.8
Battery
5,000 mAh
Weight
227 g
AI Snapshot
A 2021 camera flagship that pioneered the modern Ultra formula.
The S21 Ultra introduced dual telephotos and S Pen support to the Galaxy line. The Snapdragon 888’s heat dates it, but the camera hardware still holds up as a used buy.
Subscores · 0–100
Display91
Camera88
Performance80
Battery84
Build89
Value78
- First Galaxy with dual telephoto cameras, including a 10× periscope.
- First Ultra to support the S Pen.
- Large 5,000 mAh battery.
- Sharp QHD+ 120 Hz display.
Full specifications
Type
LTPO AMOLED 2X, 120 Hz
Size
6.8 inches
Resolution
3,200 × 1,440 px (515 ppi)
Peak brightness
1,500 nits
Protection
Gorilla Glass Victus
Main
108 MP, f/1.8, OIS
Ultrawide
12 MP, f/2.2
Telephoto 1
10 MP, f/2.4, 3× optical
Telephoto 2
10 MP, f/4.9, 10× optical
Selfie
40 MP, f/2.2
Video
8K @ 24 fps
Benchmarks
vs 2025 flagship class average
AnTuTu v10
Δ class avg -58.6%
This
870,000
Class avg
2,100,000
Geekbench 6 Single
Δ class avg -50.0%
This
1,450
Class avg
2,900
Geekbench 6 Multi
Δ class avg -56.0%
This
3,700
Class avg
8,400
3DMark Solar Bay
Δ class avg -60.9%
This
25.0 fps
Class avg
64.0 fps
Frequently asked questions
When was the Galaxy S21 Ultra released?
The Galaxy S21 Ultra was released in Jan 2021.
What is the Galaxy S21 Ultra screen size and type?
The Galaxy S21 Ultra has a 6.8" LTPO AMOLED display.
What chipset does the Galaxy S21 Ultra use?
The Galaxy S21 Ultra is powered by the SD 888 chipset.
How much RAM and storage does the Galaxy S21 Ultra have?
The Galaxy S21 Ultra ships with 12 GB · 128 GB (RAM · base storage); higher configurations may be available.
What is the Galaxy S21 Ultra battery capacity?
The Galaxy S21 Ultra has a 5,000 mAh battery.
What is the Galaxy S21 Ultra main camera?
The Galaxy S21 Ultra has a 108 MP · f/1.8 main camera.
Does the Galaxy S21 Ultra have 5G?
The Galaxy S21 Ultra supports 5G (Sub-6 + mmWave).
Is the Galaxy S21 Ultra waterproof?
The Galaxy S21 Ultra is rated IP68 for dust and water resistance.