What is the Difference Between iPhone 4S and iPhone 3GS?

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The iPhone 4S and iPhone 3GS have several differences in terms of design, performance, and features. Some of the key differences include:

  1. Design: The iPhone 4S has a flat front and back glass design, while the iPhone 3GS has a rounded plastic design. The iPhone 4S is slightly thinner and lighter than the iPhone 3GS.
  2. Processor and RAM: The iPhone 4S has a faster Apple A5 processor and 512 MB of RAM, compared to the iPhone 3GS's Apple A4 processor and 256 MB of RAM.
  3. Display: The iPhone 4S features a 3.5-inch Retina display with a 640 x 960-pixel resolution and 330 ppi, while the iPhone 3GS has a 3.5-inch LCD display with a 480 x 640-pixel resolution and 163 ppi.
  4. Camera: The iPhone 4S has an 8 MP rear camera and a VGA front camera, while the iPhone 3GS has a 3 MP rear camera and no front camera.
  5. Storage: The iPhone 4S is available in 16 GB, 32 GB, and 64 GB variants, while the iPhone 3GS is available in 16 GB and 32 GB variants.
  6. Networking and Connectivity: The iPhone 4S supports Wi-Fi 4 (802.11n) and faster HSDPA and HSUPA networks, while the iPhone 3GS supports slower 3G UMTS/HSDPA networks.
  7. Operating System and Software: The iPhone 4S comes with iOS 5 pre-installed, while the iPhone 3GS comes with iOS 4 pre-installed. However, the iPhone 3GS can be updated to newer iOS versions, although it may not support all the features of the newer iOS versions due to hardware limitations.

In summary, the iPhone 4S is a faster, sleeker, and more feature-rich device compared to the iPhone 3GS, with improvements in design, performance, display, and camera capabilities.

Comparative Table: iPhone 4S vs iPhone 3GS

Here is a table comparing the differences between the iPhone 4S and iPhone 3GS:

Feature iPhone 3GS iPhone 4S
Design Slightly thicker body, curved edges Flat front and back glass panels, steel band around the edge
Display Smaller screen with lower resolution Higher resolution screen
Processor 600 MHz processor Dual-core processor
RAM Lower amount More RAM
Storage Lower capacity Higher capacity options
Battery life Better battery life Shorter battery life
Cameras VGA rear camera, no front camera 1080p rear camera, VGA front camera
Hardware Support Does not support 802.11n Wi-Fi Supports 802.11n Wi-Fi
Operating System Upgradeable to iOS 5 Comes with iOS 5
World Phone No Yes

The iPhone 4S has a better design, more powerful hardware, support for 802.11n Wi-Fi, and better cameras compared to the iPhone 3GS. The iPhone 4S also comes with the iOS 5 operating system, while the iPhone 3GS is upgradeable to iOS 5. However, the iPhone 4S has a shorter battery life compared to the iPhone 3GS.