Samsung Galaxy S21 Ultra (128GB)

Core Specs & Display

• Display: 6.8-inch Dynamic AMOLED 2X
• Resolution: 3200 × 1440 (QHD+), 20:9 aspect ratio
• Refresh Rate: 120 Hz
• HDR & Brightness: HDR10+, peak brightness up to ~1500 nits
• Pixel Density: ~515–516 ppi
• Screen Protection: Corning Gorilla Glass Victus
• Build / Certification: Glass + metal build, water/dust resistant (IP68)

Hardware & Memory

• Chipset / Processor (varies by region):
  • International: Exynos 2100 (5 nm) — octa-core (1×2.9 GHz + 3×2.80 GHz + 4×2.2 GHz)
  • USA/China: Qualcomm Snapdragon 888 (5 nm) — octa-core (1×2.84 GHz + 3×2.42 GHz + 4×1.80 GHz)
• GPU: Mali-G78 MP14 (Exynos) or Adreno 660 (Snapdragon) depending on variant
• RAM: 12 GB (for 128 GB storage)
• Storage: 128 GB (UFS 3.1)
• Expandable Storage: None (no microSD slot)

Cameras

• Rear (Quad):
  • 108 MP wide, f/1.8, OIS, Laser/Phase-detect AF, large sensor (1/1.33")
  • 10 MP periscope telephoto, f/4.9, 240 mm equivalent, OIS — up to 10× optical zoom
  • 10 MP telephoto (shorter focal), f/2.4, 70 mm equivalent, OIS — 3× optical zoom
  • 12 MP ultra-wide, f/2.2, 13 mm equivalent
• Front (Selfie): 40 MP, f/2.2
• Video Recording (rear):
  • Up to 8K @ 24 fps
  • 4K @ 30/60 fps
  • 1080p up to 240 fps
  • 720p up to 960 fps (slow-motion)
  • Supports HDR10+, gyro-EIS + OIS, stereo audio recording
• Video Recording (front): 4K @ 30/60 fps; 1080p @ 30 fps

Battery & Charging

• Battery Capacity: 5000 mAh, non-removable Li‑Ion / Li‑Po
• Charging: Fast wired charging + wireless charging supported
• Reverse Wireless Charging: Supported (PowerShare / reverse charge)

Connectivity & Other Features

• Network: 5G, 4G LTE, 3G, 2G — depending on region
• Wi-Fi: Wi‑Fi 6 / 802.11 a/b/g/n/ac/ax/6e (dual-band / latest standard depending on hardware region)
• Bluetooth: Bluetooth 5.x (LE, etc.) depending on variant
• USB: USB Type‑C (USB 3.x) port — no 3.5 mm headphone jack
• SIM: Dual nano‑SIM (or Single SIM + eSIM depending on region) — no microSD slot
• Sensors & Extras: In-display ultrasonic fingerprint sensor, face recognition, accelerometer, gyro, compass, barometer, proximity, etc. Also supports features typical of flagship Samsung phones (DeX, Samsung Pay, UWB on some variants, etc.)
• Audio: Stereo speakers, no 3.5 mm jack

Software

• Original OS: Android 11 with Samsung One UI (One UI 3.1 at launch)
• Upgradable: Yes (depending on region and Samsung’s update support policy)