Apple iPad 4 Wi-Fi + Cellular对比

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发布
Release Status	Available. Released 2012, November
性能与续航
CPU	Dual-core 1.4 GHz
Chipset	Apple A6X
GPU	PowerVR SGX554MP4 (quad-core graphics)
Memory	16/32/64/128 GB storage, 1 GB RAM
Card Slot	No
Battery	Non-removable Li-Po 11.560 mAh battery (42.5 Wh)
OS	iOS 6, upgradable to iOS 7.1
显示屏
Display Type	LED-backlit IPS LCD, capacitive touchscreen, 16M colors
Display Size	1536 x 2048 pixels, 9.7 inches (~264 ppi pixel density)
Display Features	Scratch-resistant glass, oleophobic coating
机身
Body Dimension	241.2 x 185.7 x 9.4 mm
Body Weight	662g
Colors	Black, White
摄像头
Rear Camera	5 MP, 2592 x 1944 pixels, autofocus
Front Camera	Yes, 1.2 MP, 720p@30fps, face detection, FaceTime over Wi-Fi or Cellular
Video	Yes, 1080p@30fps, video stabilization
Camera Features	Geo-tagging, touch focus, face detection
连接与通讯
Sim Card	Micro-SIM
Data Speed	DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps, LTE, 73 Mbps; EV-DO Rev. A, up to 3.1 Mbps
WLAN	Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot
Bluetooth	Yes, v4.0 with A2DP
USB	Yes, v2.0
传感器
Sensor	Accelerometer, gyro, compass
GPS	Yes, with A-GPS support and GLONASS
音频
Loud Speaker	Voice 67dB / Noise 66dB / Ring 75dB
3.5mm Jack	Yes