Samsung Galaxy S21 Ultra (256GB)

Core Specs & Display

• Display type: Dynamic AMOLED 2X
• Screen size: 6.8 inches
• Resolution: 3200 × 1440 (QHD+), 20:9 aspect ratio, ~515–516 ppi density
• Refresh rate: 120 Hz (adaptive)
• Peak brightness: ~1500 nits, supports HDR10+
• Protection: Corning Gorilla Glass Victus
• Build / Water & dust resistance: Premium glass/metal build, IP68 rated

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: 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
• Internal Storage: 256 GB (UFS 3.1)
• Expandable Storage: None (no microSD slot)

Cameras

• Rear (Quad):
  • 108 MP wide, f/1.8, 24–26 mm equiv., 1/1.33" sensor, PDAF + Laser AF + OIS
  • 10 MP periscope telephoto, f/4.9, 240 mm equiv., 1/3.24" sensor, PDAF + OIS — up to 10× optical zoom
  • 10 MP telephoto, f/2.4, 70 mm equiv., 1/3.24" sensor, PDAF + OIS — 3× optical zoom
  • 12 MP ultra-wide, f/2.2, 13 mm equiv., 1/2.55" sensor
• Front (Selfie) Camera: 40 MP, f/2.2
• Rear Video: 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
• Front Video: 4K @ 30/60 fps; 1080p @ 30 fps

Battery & Charging

• Battery Capacity: 5000 mAh, non-removable
• Wired Charging: Supported (fast charging)
• Wireless Charging: Supported (Qi / PMA)
• Reverse Wireless Charging (PowerShare): Supported

Connectivity & Other Features

• Network: 5G, 4G LTE, 3G, 2G (support depends on region/carrier)
• Wi‑Fi: Wi-Fi 6 / 6E (802.11 a/b/g/n/ac/ax / ax) on supported variants
• Bluetooth: 5.2 + LE (in supported variants)
• USB: USB Type-C (USB 3.x), no 3.5 mm headphone jack
• SIM: Typically dual nano-SIM (or nano-SIM + eSIM depending on region), no memory card slot
• Sensors & Security: Under‑display ultrasonic fingerprint sensor, face recognition (region-dependent), accelerometer, gyro, compass, barometer, proximity, etc.
• Other Features: Always-on display, adaptive 120Hz refresh; support for advanced Samsung features (DeX, Samsung Pay, UWB on some variants)
• Audio: Stereo speakers, no 3.5 mm jack

Software

• Launch OS: Android 11 with Samsung One UI 3.1
• Upgradeable: Yes — official support for updates (region/variant dependent)