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The Samsung Galaxy S21 phone comes with a 6.20-inch touchscreen display with a resolution of 1080×2400 pixels at a pixel density of 421 pixels per inch (PPI) and an aspect ratio of 20:9. The Samsung Galaxy S21 runs Android 11 and is powered by a 4000mAh battery. The Samsung Galaxy S21 supports wireless charging, as well as proprietary fast charging. the Samsung Galaxy S21 on the rear packs a triple camera setup featuring a 12-megapixel primary camera with an f/1.8 aperture and a pixel size of 1.8-micron; a 12-megapixel camera with an f/2.2 aperture and a pixel size of 1.4-micron, and a 64-megapixel camera with an f/2.0 aperture and a pixel size of 0.8-micron. The rear camera setup has autofocus. It has a single front camera setup for selfies, featuring a 10-megapixel sensor with an f/2.2 aperture and a pixel size of 1.22-micron. The Samsung Galaxy S21 measures 151.70 x 71.20 x 7.90mm (height x width x thickness) and weighs 171.00 grams.
| NETWORK | Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
|---|
| BODY | Dimensions | 151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in) |
|---|---|---|
| Weight | 169 g (Sub6), 171 g (mmWave) (5.96 oz) | |
| Build | Glass front (Gorilla Glass Victus), plastic back, aluminum frame | |
| SIM | Single SIM (Nano-SIM and/or eSIM) or Dual SIM (Nano-SIM and/or eSIM, dual stand-by) | |
| IP68 dust/water resistant (up to 1.5m for 30 mins) |
| DISPLAY | Type | Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak) |
|---|---|---|
| Size | 6.2 inches, 94.1 cm 2 (~87.2% screen-to-body ratio) | |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~421 ppi density) | |
| Protection | Corning Gorilla Glass Victus | |
| Always-on display |
| PLATFORM | OS | Android 11, One UI 3.1 |
|---|---|---|
| Chipset | Exynos 2100 (5 nm) | |
| CPU | Octa-core (1×2.9 GHz Cortex-X1 & 3×2.80 GHz Cortex-A78 & 4×2.2 GHz Cortex-A55) | |
| GPU | Mali-G78 MP14 |
| MEMORY | Card slot | No |
|---|---|---|
| Internal | 256B 8GB RAM | |
| UFS 3.1 |
| MAIN CAMERA | Triple |
12 MP, f/1.8, 26mm (wide), 1/1.76″, 1.8µm, Dual Pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72″, 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55″ 1.4µm, Super Steady video |
|---|---|---|
| Features | LED flash, auto-HDR, panorama | |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS |
| SELFIE CAMERA | Single | 10 MP, f/2.2, 26mm (wide), 1/3.24″, 1.22µm, Dual Pixel PDAF |
|---|---|---|
| Features | Dual video call, Auto-HDR | |
| Video | 4K@30/60fps, 1080p@30fps |
| SOUND | Loudspeaker | Yes, with stereo speakers |
|---|---|---|
| 3.5mm jack | No | |
|
32-bit/384kHz audio Tuned by AKG |
| COMMS | WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot |
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | |
| NFC | Yes | |
| Radio | FM radio (Snapdragon model only; market/operator dependent) | |
| USB | USB Type-C 3.2, USB On-The-Go |
| FEATURES | Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
|---|---|---|
|
Samsung DeX, Samsung Wireless DeX (desktop experience support) Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified) |
| BATTERY | Type | Li-Ion 4000 mAh, non-removable |
|---|---|---|
| Charging |
Fast charging 25W USB Power Delivery 3.0 Fast Qi/PMA wireless charging 15W Reverse wireless charging 4.5W |
| MISC | Colors | Phantom Pink |
|---|---|---|
| Models | SM-G991B |
