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Samsung Galaxy S21
The plastic-backed S21 that history vindicated: compact, capable, and $200 cheaper than the S20 it replaced. The contour-cut camera design aged into a classic.
Pros
- Compact flagship dimensions
- Excellent flat 120Hz AMOLED
- Price cut that reset the segment
- Distinctive design that lasted
Cons
- Plastic back on a flagship
- No microSD or charger in box
- Exynos 2100 trailed the Snapdragon variant
Below average
Computed from specs & benchmarks via our public methodology.
Full specifications
Everything we track for the Samsung Galaxy S21
Display
- Screen size
- 6.2 ″
- Panel type
- AMOLED
- Resolution
- 2400x1080
- Pixel density
- 421 ppi
- Refresh rate
- 120 Hz
- Peak brightness
- 1,300 nits
Performance
- Chipset
- Samsung Exynos 2100
- AnTuTu 11
- 746,547Bottom 13%
- AnTuTu 11 (CPU)
- 252,025Bottom 7%
- AnTuTu 11 (GPU)
- 127,819Bottom 18%
- AnTuTu 11 (Memory)
- 144,909Bottom 9%
- AnTuTu 11 (UX)
- 221,794Bottom 11%
- Geekbench 6 (single)
- 1,430Bottom 41%
- Geekbench 6 (multi)
- 3,550Bottom 38%
- RAM (max)
- 8 GB
- Storage options
- 128GB / 256GB
- Storage type
- UFS 3.1
Camera
- Main camera
- 12 MP
- Main aperture
- f/1.8
- Ultra-wide
- 12 MP
- Telephoto
- 64 MP
- Max video
- 8K@24fps
- Front camera
- 10 MP
- OIS
- Yes
Battery
- Capacity
- 4,000 mAh
- Wired charging
- 25 W
- Wireless charging
- 15 W
Design
- Weight
- 171 g
- Thickness
- 7.9 mm
- IP rating
- IP68
- Frame material
- Aluminum
Connectivity
- 5G
- Yes
- Wi-Fi
- Wi-Fi 6
- Bluetooth
- 5.0
- NFC
- Yes
- USB
- USB-C 3.2
- eSIM
- Yes
Software
- OS at launch
- Android 11 (One UI 3.1)
- OS update pledge
- 4 years
Audio
- Stereo speakers
- Yes
- 3.5mm jack
- No
Quick answers
Is the Samsung Galaxy S21 good in 2026?
The Samsung Galaxy S21 earns an Inno Score of 43.6/100 (“Below average”) based on its specs and benchmark results. The plastic-backed S21 that history vindicated: compact, capable, and $200 cheaper than the S20 it replaced. The contour-cut camera design aged into a classic.
What is the Samsung Galaxy S21 AnTuTu score?
The Samsung Galaxy S21 scores 746,547 points in AnTuTu 11 (CPU 252,025, GPU 127,819, Memory 144,909, UX 221,794). In Geekbench 6 it reaches 1,430 single-core and 3,550 multi-core.
What are the key specs of the Samsung Galaxy S21?
Chipset: Samsung Exynos 2100 · Screen size: 6.2 ″ · Capacity: 4,000 mAh · Main camera: 12 MP
What are the closest alternatives to the Samsung Galaxy S21?
Its closest rivals on InnoReviews are Honor X9b, POCO M6 Pro (4G), POCO X5 Pro — open the comparison pages for a spec-by-spec breakdown.
