The Apple iPhone 8 was released in September 2017 alongside the iPhone X. Here’s a detailed look at its specifications:

Display

• Type: Retina HD display
• Technology: IPS LCD (not OLED like iPhone X)
• Size: 4.7 inches (diagonal)
• Resolution: 1334 x 750 pixels (326 ppi)
• Aspect Ratio: 16:9
• Features: True Tone display, Wide color gamut (P3), Fingerprint sensor (Touch ID)

Processor and Performance

• Chipset: Apple A11 Bionic (same as iPhone X)
• CPU: Hexa-core (2x Monsoon + 4x Mistral)
• GPU: Apple-designed three-core graphics chip
• Performance: Powerful processor for everyday tasks and some gaming, but not quite as powerful as iPhone X

Memory

• Internal Storage: 64GB or 256GB (no expandable storage)
• RAM: 2GB LPDDR4 (less RAM compared to iPhone X)

Camera

• Rear Camera: Single 12MP wide-angle lens
  • ƒ/1.8 aperture, optical image stabilization
• Front Camera: 7MP TrueDepth camera system with ƒ/2.2 aperture
• Camera Features: Portrait mode with Studio Lighting effects, Optical zoom (digital zoom up to 5x), Quad-LED True Tone flash, Auto HDR and panorama

Connectivity

• Cellular Network: GSM/EDGE, CDMA/EV-DO, UMTS/HSPA/HSPA+, LTE
• Wi-Fi: 802.11 a/b/g/n/ac, dual-band, Wi-Fi calling
• Bluetooth: Version 5.0 with A2DP, LE
• GPS: Built-in GPS, GLONASS, Galileo, and QZSS
• NFC: No (unlike iPhone X)
• Lightning Port: For charging and data transfer

Sensors

• Touch ID fingerprint sensor (no Face ID like iPhone X)
• Barometer
• Gyroscope
• Accelerometer
• Ambient light sensor
• Proximity sensor

Battery

• Non-removable lithium-ion battery
• Up to 13 hours of video playback (streamed)
• Up to 40 hours of audio playback
• Fast charging: Up to 50% charge in 30 minutes (with a 20W adapter or higher, sold separately)
• Wireless charging: Supports Qi wireless chargers (up to 7.5W)

Operating System

• Originally shipped with iOS 11, upgradable to iOS 16 (latest version as of May 28, 2024)

Other Features

• Water and dust resistant (IP67)
• Stereo speakers
• Siri voice assistant
• Secure Enclave coprocessor for security

Dimensions and Weight

• Height: 138.1 mm (5.44 inches)
• Width: 67 mm (2.64 inches)
• Depth: 7.5 mm (0.29 inches)
• Weight: 138 g (4.9 oz)

Colors

• Space Gray
• Silver
• Gold
• Rose Gold (discontinued color)

Key Differences between iPhone X and iPhone 8:

• Display: iPhone X has a larger OLED display with higher resolution, while iPhone 8 has a smaller LCD display.
• Camera: iPhone X has a dual-lens rear camera system for better zoom and Portrait mode effects, while iPhone 8 has a single rear camera.
• Face ID vs. Touch ID: iPhone X uses Face ID for secure unlocking, while iPhone 8 uses the traditional Touch ID fingerprint sensor.
• Battery: iPhone X may have slightly better battery life due to a larger battery and display efficiency.
• RAM: iPhone X has more RAM (3GB) for improved multitasking compared to iPhone 8 (2GB).
• NFC: iPhone X has NFC for Apple Pay, while iPhone 8 does not.