Samsung Galaxy S21 Plus
- Screen: 6.7" Dynamic AMOLED - 1080 x 2400
- SoC: Samsung Exynos 2100
- Camera: 3 (12 MP + 64 MP + 12 MP)
- Battery: 4800 mAh
- OS: Android 15
- Weight: 200 grams (7.05 oz)
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Review
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Full specifications
Detailed specifications, tests, and benchmarks of the Samsung Galaxy S21 PlusDisplay
| Type | Dynamic AMOLED |
| Size | 6.7 inches |
| Resolution | 1080 x 2400 pixels |
| Aspect ratio | 20:9 |
| PPI | 394 ppi |
| Refresh rate | 120 Hz |
| Adaptive refresh rate | Yes (48-120 Hz) |
| Max rated brightness | 1300 nits |
| HDR support | Yes, HDR10+ |
| Screen protection | Gorilla Glass Victus |
| Screen-to-body ratio | 88.7% |
| Display features | - DCI-P3 - Always-On Display |
| RGB color space | 98.9% |
| PWM | 240 Hz |
| Response time | 6.2 ms |
| Contrast | β Infinity |
Design and build
| Height | 161.5 mm (6.36 inches) |
| Width | 75.6 mm (2.98 inches) |
| Thickness | 7.8 mm (0.31 inches) |
| Weight | 200 g (7.05 oz) |
| Waterproof | IP68 |
| Rear material | Glass |
| Frame material | Metal |
| Colors | Black, Silver, Gold, Red, Purple |
| Fingerprint scanner | Yes, in-display |
Performance
| Chipset | Samsung Exynos 2100 |
| Max clock | 2900 MHz |
| CPU cores | 8 (1 + 3 + 4) |
| Architecture | - 4 cores at 2.2 GHz: Cortex-A55 - 3 cores at 2.81 GHz: Cortex-A78 - 1 core at 2.91 GHz: Cortex-X1 |
| Manufacturing | Samsung |
| Lithography process | 5 nanometers |
| Neural processor (NPU) | Yes |
| Graphics | Mali-G78 MP14 |
| GPU shading units | 448 |
| GPU clock | 854 MHz |
| FLOPS | ~765.2 GFLOPS |
Benchmarks
| Compute Score (GPU) | 6699 |
| Single-core score | 1259 |
| Multi-core score | 3255 |
| CPU | 380634 |
| GPU | 187261 |
| Memory | 186352 |
| UX | 263526 |
| Total score | 1017773 |
Recent User Tests
| Date | Benchmark | Result |
|---|---|---|
| π 2026-09-01 (Md. Iqbal Talukder) | AnTuTu 11 | 1014567 |
| π 2026-05-30 (JΓΊnior) | AnTuTu 11 | 1049711 |
| π 2026-05-08 (Arcytechsure) | AnTuTu 11 | 1125806 |
| π 2026-04-18 (Aziz Jr) | Geekbench 6 GPU | 6699 |
| π 2026-04-18 (Aziz Jr) | Geekbench 6 CPU | 1124 / 3273 |
| π 2026-03-26 (Danish Saifi) | AnTuTu 11 | 805173 |
| π 2026-01-31 (EmerickYT) | AnTuTu 11 | 1060565 |
| π 2025-12-30 (Asadbek M) | AnTuTu 11 | 733903 |
Memory
| RAM size | 8 GB |
| Memory type | LPDDR5 |
| Memory clock | 2750 MHz |
| Channels | 2 |
| Storage size | 128 GB |
| Storage type | UFS 3.1 |
| Memory card | No |
Software
| Operating system | Android 11 (Can be upgraded to Android 15) |
| ROM | One UI 7.0 |
| OS size | 27.2 GB |
| OS updates | 2 years |
| Security updates | 4 years |
Battery
| Capacity | 4800 mAh |
| Max charge power | 25 W |
| Battery type | Li-Ion |
| Replaceable | No |
| Wireless charging | Yes (15 W) |
| Reverse charging | Yes, (wireless) |
| Fast charging | Yes (54% in 30 min) |
| Full charging time | 1:12 hr |
| Web browsing | 07:28 hr |
| Watching video | 13:15 hr |
| Gaming | 05:04 hr |
| Standby | 105 hr |
Main camera
| Matrix | 12 megapixels |
| Image resolution | 4000 x 3000 |
| Zoom | Optical, 1.1x |
| Flash | Dual LED |
| Stabilization | Optical |
| 8K video recording | Up to 24FPS |
| 4K video recording | Up to 60FPS |
| 1080p video recording | Up to 60FPS |
| Slow motion | 960 FPS (720p) |
| Angle of widest lens | 120Β° |
| Lenses | 1) Standard: 12 MP 2) Telephoto: 64 MP 3) Ultrawide: 12 MP |
| Camera features | - Bokeh mode - Pro mode - RAW support |
| Image resolution | 12 MP |
| Aperture | f/1.8 |
| Focal length | 26 mm |
| Sensor | Sony IMX555 |
| Sensor size | 1/1.76" (β 0.57 inch) |
| Pixel size | 1.8 micron |
| Autofocus | Phase autofocus (Dual Pixel) |
| Stabilization | Optical |
| Image resolution | 64 MP |
| Aperture | f/2.0 |
| Focal length | 28 mm |
| Sensor | Samsung Bright S5KGW2 |
| Sensor size | 1/1.72" (β 0.58 inch) |
| Pixel size | 0.8 micron |
| Stabilization | Optical |
| Image resolution | 12 MP |
| Aperture | f/2.2 |
| Focal length | 13 mm |
| Sensor | Sony IMX563 |
| Sensor size | 1/2.55" (β 0.39 inch) |
| Pixel size | 1.4 micron |
| Stabilization | Digital |
DxOMark main camera tests
| Bokeh | 70 |
| Preview | 60 |
| Zoom | 114 |
| Samples | Photo samples of Samsung Galaxy S21 Plus from DxOMark |
Selfie camera
| Megapixels | 10 megapixels |
| Image resolution | 3872 x 2592 |
| Aperture | f/2.2 |
| Focal length | 26 mm |
| Sensor | Sony IMX374 |
| Sensor size | 1/3.24" (β 0.31 inch) |
| Pixel size | 1.22 micron |
| Autofocus | Phase autofocus (Dual Pixel) |
| Stabilization | Digital |
| Video resolution | 2160p (4K) at 60 FPS |
| Depth sensor (TOF 3D) | No |
Connectivity
| Wi-Fi standard | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5 |
| Bluetooth features | LE, A2DP |
| USB type | USB Type-C |
| USB version | 3.2 |
| USB features | - Charging - USB-Storage mode - USB-Host mode - OTG |
| GPS | GPS, GLONASS, Beidou, Galileo |
| NFC* | Yes |
| Infrared port | No |
| Number of SIM* | 2 |
| Type of SIM card | Nano |
| Multi SIM mode | Standby |
| eSIM support* | Yes |
| Hybrid slot | No |
| LTE Cat* | 24 |
| 2G network | GSM 850, 900, 1800, 1900 MHz |
| 3G network | WCDMA Band 1, 2, 4, 5, 8 |
| 4G network | LTE 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 |
| 5G support | Yes |
Sound
| Speakers | Stereo |
| Headphone audio jack | No |
| FM radio | No |
| Dolby Atmos | Yes |
Speakers test
Other
| Category | Flagship |
| Announced | January 2021 |
| Release date | February 2021 |
| Launch price (MSRP) | $1000 |
| Successor | - Samsung Galaxy S22 Plus |
| SAR (head) | 0.54 W/kg |
| SAR (body) | 1.33 W/kg |
| Sensors | - Hall-effect sensor - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
*Disclaimer! Some specifications of the Galaxy S21 Plus may differ by country or region
