iPad 4 with Retina Display (new features, tech specifications)

Color	Black White
Models	Wi-Fi Wi-Fi + Cellular
Size and Wiight	Height: 9.50 inches (241.2 mm) Width: 7.31 inches (185.7 mm) Depth: 0.37 inch (9.4 mm) Weight: 1.44 pounds (652 g)
Storage	16 GB 32 GB 64 GB
Wireless	802.11a/b/g/n Wi-Fi (802.11n 2.4GHz and 5GHz) Bluetooth 4.0 wireless technology
Cellular	Model A1459* GSM/EDGE (850, 900, 1800, 1900 MHz) UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz) LTE (Bands 4 and 17) Model A1460* CDMA EV-DO Rev. A and Rev. B (800, 1900, 2100 MHz) GSM/EDGE (850, 900, 1800, 1900 MHz) UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz) LTE (Bands 1, 3, 5, 13, 25)
Display	Retina display 9.7-inch (diagonal) LED-backlit Multi-Touch display with IPS technology 2048-by-1536 resolution at 264 pixels per inch (ppi) Fingerprint-resistant oleophobic coating
Chip	Dual-core A6X with quad-core graphics
Cameras	FaceTime HD Camera 1.2MP photos 720p HD video FaceTime video calling over Wi‑Fi or cellular4 Face detection Backside illumination Tap to control exposure for video or still images Photo and video geotagging
Photos	iSight Camera 5MP photos Autofocus Face detection Backside illumination Five-element lens Hybrid IR filter ƒ/2.4 aperture Tap to focus video or still images Tap to control exposure for video or still images Photo and video geotagging
Video Recording	1080p HD video recording Video stabilization Face detection Tap to focus while recording Backside illumination
External Buttons	Home On/Off, Sleep/Wake Silent/Screen rotation lock Volume up/down
Connectors	Microphone 3.5-mm stereo headphone minijack Lighting connector Built-in speaker
Power and Battery	Built-in 42.5-watt-hour rechargeable lithium-polymer battery Up to 10 hours of surfing the web on Wi‑Fi, watching video, or listening to music Charging via power adapter or USB to computer system
Input/Output	Lightning connector 3.5-mm stereo headphone minijack Built-in speaker Microphone Micro-SIM card tray
Sensors	Three-axis gyro Accelerometer Ambient light sensor
Locaion	Wi-Fi Digital compass Assisted GPS and GLONASS (Cellular model) Cellular (Cellular model)
Audio Playback	Frequency response: 20Hz to 20,000Hz Audio formats supported: AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV User-configurable maximum volume limit
TV and Video	AirPlay Mirroring to Apple TV (2nd and 3rd generation) at 720p AirPlay video streaming to Apple TV (3rd generation) at up to 1080p and Apple TV (2nd generation) at up to 720p Video mirroring and video out support: Up to 720p through Lightning Digital AV Adapter and Lightning to VGA Adapter; video playback up to 1080p (sold separately) Video formats supported: H.264 video up to 1080p, 30 frames per second, High Profile level 4.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG‑4 video up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format
Mail Attachment Support	Viewable document types: .jpg, .tiff, .gif (images); .doc and .docx (Microsoft Word); .htm and .html (web pages); .key (Keynote); .numbers (Numbers); .pages (Pages); .pdf (Preview and Adobe Acrobat); .ppt and .pptx (Microsoft PowerPoint); .txt (text); .rtf (rich text format); .vcf (contact information); .xls and .xlsx (Microsoft Excel)
Accessibility	VoiceOver screen reader Guided Access Support for playback of closed-captioned content AssistiveTouch interface for adaptive accessories Full-screen zoom magnification Large text Option to invert colors Left/right volume adjustment
Environmental Requirements	Operating ambient temperature: 32° to 95° F (0° to 35° C) Nonoperating temperature: -4° to 113° F (-20° to 45° C) Relative humidity: 5% to 95% noncondensing Maximum operating altitude: 10,000 feet (3000 m)
System Requirements	Apple ID (required for some features) Internet access Syncing with iTunes on a Mac or PC requires: - Mac: OS X v10.6.8 or later - PC: Windows 7; Windows Vista; or Windows XP Home or Professional with Service Pack 2 or later - Download iTunes at www.itunes.com/download
In the Box	iPad with Retina display Lightning to USB Cable USB Power Adapter
Buil-in Apps	Safari Photos App Store Maps Photo Booth Reminders Camera Mail FaceTime iTunes Music Clock Calendar Messages Newsstand Videos Game Center Contacts Notes