Samsung S21 Ultra

1. Design & Build:

• Dimensions: 165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 inches)
• Weight: 227 g (Sub6 5G) / 229 g (mmWave 5G)
• Materials: Glass front (Corning Gorilla Glass Victus), glass back (Corning Gorilla Glass Victus), aluminum frame
• Durability: IP68 dust and water resistant (up to 1.5m for 30 minutes)
• SIM: Nano-SIM + eSIM (Dual SIM support)
• Stylus Support: Yes (S Pen support, sold separately)
• Colors: Phantom Black, Phantom Silver, Phantom Titanium (exclusive to Samsung.com), Phantom Navy (exclusive to Samsung.com), Phantom Brown (exclusive to Samsung.com)

2. Display:

• Type: Dynamic AMOLED 2X, 120Hz adaptive refresh rate, HDR10+, 1500 nits peak brightness
• Size: 6.8 inches, ~89.8% screen-to-body ratio
• Resolution: 1440 x 3200 pixels, 20:9 ratio (~515 ppi density)
• Protection: Corning Gorilla Glass Victus
• Features: Edge Screen, Eye Comfort Shield, Always-On Display

3. Performance:

• Chipset (International): Samsung 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
• Chipset (USA/China): Qualcomm SM8350 Snapdragon 888 5G (5 nm)
  • CPU: Octa-core (1×2.84 GHz Cortex-X1 & 3×2.42 GHz Cortex-A78 & 4×1.80 GHz Cortex-A55)
  • GPU: Adreno 660

4. Memory & Storage:

• RAM: 12 GB / 16 GB LPDDR5 RAM
• Internal Storage: 128 GB / 256 GB / 512 GB UFS 3.1 storage (no card slot)

5. Cameras:

• Rear Camera System (Quad):
  • 108 MP Wide (Main): f/1.8 aperture, 24mm (wide), 1/1.33″ sensor size, 0.8µm pixel width, PDAF (Phase Detection AutoFocus), OIS (Optical Image Stabilization).
  • 10 MP Periscope Telephoto: f/4.9 aperture, 240mm (periscope telephoto), 1/3.24″ sensor size, 1.22µm pixel width, dual pixel PDAF, OIS, 10x optical zoom.
  • 10 MP Telephoto: f/2.4 aperture, 72mm (telephoto), 1/3.24″ sensor size, 1.22µm pixel width, dual pixel PDAF, OIS, 3x optical zoom.
  • 12 MP Ultrawide: f/2.2 aperture, 13mm (ultrawide), 120˚ FoV, 1/2.55″ sensor size, 1.4µm pixel width, dual pixel PDAF, Super Steady video.
• Rear Camera Features: Laser AF, LED flash, auto-HDR, panorama, 100x Space Zoom (combination of optical and digital zoom).
• Rear Video Recording: 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound recording, gyro-EIS (Electronic Image Stabilization).
• Front Camera:
  • 40 MP: f/2.2 aperture, 26mm (wide), 0.7µm pixel width, PDAF, HDR.
• Front Video Recording: 4K@30/60fps, 1080p@30/60fps.

6. Battery:

• Type: Li-Ion 5000 mAh (typical), non-removable.
• Charging:
  • Wired: 25W fast charging (USB Power Delivery 3.0, Quick Charge 2.0 compatible).
  • Wireless: 15W fast wireless charging (Qi/PMA).
  • Reverse Wireless: 4.5W Wireless PowerShare.

7. Connectivity:

• Network: GSM / CDMA / HSPA / EVDO / LTE / 5G (Sub6 and mmWave, specific bands vary by region/model).
• Wi-Fi: Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct.
• Bluetooth: v5.2, A2DP, LE, aptX HD.
• NFC: Yes.
• GPS: GPS, GLONASS, BDS, GALILEO.
• USB: USB Type-C 3.2, OTG.
• Other: Ultra Wideband (UWB) support, Samsung DeX (desktop experience support).

8. Sensors:

• Fingerprint (under display, ultrasonic)
• Accelerometer
• Gyroscope
• Proximity sensor
• Compass (Geomagnetic sensor)
• Barometer
• Hall sensor

9. Software:

• Operating System: Launched with Android 11 (upgradable to Android 14 with One UI 6.1, with 4 major Android OS upgrades and 5 years of security updates promised).

10. Audio:

• Loudspeaker: Yes, with stereo speakers (tuned by AKG).
• 3.5mm Headphone Jack: No.
• Other: 32-bit/384kHz audio, Dolby Atmos, Dolby Digital, Dolby Digital Plus.