Chủ đề: sự khác nhau giữa Iphone 3G và 3Gs  
ID Topic : 1319228

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Về kích cỡ như nhau, iphone 3GS nặng hơn một chút!
iphone 3G

http://images.apple.com/iphone/images/specs_dimensions_20090608.jpg

Size and weight

Height:4.5 inches (115.5 mm)Width:2.4 inches (62.1 mm)Depth:0.48 inch (12.3 mm)Weight:4.7 ounces (133 grams)

Iphone 3GS
Size and weight

http://images.apple.com/iphone/images/sspecs_dimensions_20090608.jpg

Height:4.5 inches (115.5 mm)Width:2.4 inches (62.1 mm)Depth:0.48 inch (12.3 mm)Weight:4.8 ounces (135 grams)

Về phần băng tần sóng như nhau:
Cellular and wireless

* UMTS/HSDPA (850, 1900, 2100 MHz)
* GSM/EDGE (850, 900, 1800, 1900 MHz)
* Wi-Fi (802.11b/g)
* Bluetooth 2.0 + EDR

Iphone 3GS bổ xung thêm bộ cảm biến từ trường "Digital compass" cho ứng dụng la bàn!
Thời gian sử dụng pin tăng đáng kể cho các ưngs dụng:

Iphone 3G
Power and battery

* Built-in rechargeable lithium-ion battery
* Charging via USB to computer system or power adapter
* Talk time:Up to 5 hours on 3GUp to 10 hours on 2G
* Standby time: Up to 300 hours
* Internet use:Up to 5 hours on 3GUp to 6 hours on Wi-Fi
* Video playback: Up to 7 hours
* Audio playback: Up to 24 hours

Iphone 3GS
Power and battery

* Built-in rechargeable lithium-ion battery
* Charging via USB to computer system or power adapter
* Talk time:Up to 12 hours on 2GUp to 5 hours on 3G
* Standby time: Up to 300 hours
* Internet use:Up to 5 hours on 3GUp to 9 hours on Wi-Fi
* Video playback: Up to 10 hours
* Audio playback: Up to 30 hours

Về màn hình độ phân giải như nhau! nhưng Iphone 3GS thêm một lớp phủ chống bám vân tay!
Display

* 3.5-inch (diagonal) widescreen Multi-Touch display
* 480-by-320-pixel resolution at 163 ppi
* Fingerprint-resistant oleophobic coating
* Support for display of multiple languages and characters simultaneously
Phần âm thanh như nhau:
Audio playback

* Frequency response: 20Hz to 20,000Hz
* Audio formats supported: AAC, Protected AAC, MP3, MP3 VBR, Audible (formats 2, 3, and 4), Apple Lossless, AIFF, and WAV
* User-configurable maximum volume limit

Phần đồ họa video như nhau:
Video playback

* Video formats supported: H.264 video, up to 1.5 Mbps, 640 by 480 pixels, 30 frames per second, Low-Complexity version of the H.264 Baseline Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; H.264 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Baseline Profile up to Level 3.0 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, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats


Khả năng trình diễn đồ họa trên Iphone 3GS có thể tốt hơn do tăng cường tốc độ của CPU và bộ nhớ đệm!
Phần camera có nhiều cải tiến !
Iphone 3G
Camera and photos

* 2 megapixels
* Photo geotagging
* iPhone and third-party application integration

Iphone 3GS
Camera, photos, and video

* 3 megapixels
* Autofocus
* Tap to focus
* Video recording, VGA up to 30 fps with audio
* Photo and video geotagging
* iPhone and third-party application integration

Iphone 3GS có chức năng tự động lấy tiêu cự và có sẵn chức năng quay video!
Về các chức năng cảm biến vẫn như cũ!
Sensors

* Accelerometer
* Proximity sensor
* Ambient light sensor

Và đặc biệt apple đã mang lại cho khách hàng một sự lựa chọn là gói cước bảo hành thêm!
AppleCare Protection Plan

To extend your technical support and hardware coverage to up to two years from the original purchase date of your iPhone, get the AppleCare Protection Plan. You’ll have one number to call for world-class support, and you’ll receive comprehensive service and support for your iPhone, battery, and included accessories.
Just $69.00 — Simply add AppleCare Protection Plan to your shopping cart after you select your iPhone.

cho hoi 3g co gps ko ban

khác tùm lum