iPhone hardware differences

[XFF]

These are all the known hardware differences between iPhone 3G and the original iPhone:

• new Infineon dual-mode cellular radio with support for:
  • GSM/GPRS/EDGE in bands II, III, V, and VIII
  • UMTS/HSDPA in bands I, II, and V
• multi-mode assisted/autonomous GPS receiver
• decreased battery capacity (1150 mAh vs. 1400 mAh)
• re-designed exterior with a full plastic back and tapered edges
• sleep/wake button, volume buttons, and silent switch are made of metal (previously black plastic)
• headphone jack no longer recessed

Here are all the known software differences between iPhone 3G and the original iPhone:

• MMS support
• A2DP/AVRCP/PAN Bluetooth profiles

These are all the known hardware differences between iPhone 3G [S] and iPhone 3G:

• faster CPU (Cortex A8 core running at 600 MHz vs. ARM 11 core running at 412 MHz)
• improved GFX processor core (PowerVR SGX535 vs. PowerVR MBX Lite)
• more SDRAM (256 MB vs. 128 MB)
• more flash RAM (32/16 GB vs. 16/8 GB)
• hardware crypto-engine (supports encrypted mass storage and instant data erasure)
• faster 3G downloads (HSDPA cat 7/8 (7.2 Mbps) vs. HSDPA cat 5/6 (3.6 Mbps))
• improved Bluetooth (2.1 + EDR vs. 2.0 + EDR)
• improved camera (3.2 MP auto-focus vs. 2.0 MP fixed-focus)
• real-time video encoding (supports video recording)
• display with fingerprint-resistant oleophobic coating
• magnetometer (digital compass)
• support for headset volume controls
• RF receiver for Nike + iPod support
• FM receiver (not supported in firmware)

Here are all the known software differences between iPhone 3G [S] and iPhone 3G:

• tap to focus feature in Camera app
• video recording function in Camera app
• share videos via MMS/YouTube/MobileMe
• direction facing feature in Maps app
• new Compass app
• new Nike + iPod app
• Voice Control
• battery percentage
• accessibility features

These are some of the known hardware differences between iPhone 4 and iPhone 3G [S]:

• faster CPU (Apple A4 running at 800 MHz vs. Cortex A8 core running at 600 MHz)
• more SDRAM (512 MB vs. 256 MB)
• improved and higher resolution display (IPS/FFS @ 640x960 vs. TFT @ 320x480)
• faster Wi-Fi (802.11n vs. 802.11g)
• faster 3G uploads (HSUPA cat 6 [5.76 Mbps] vs. UMTS [384 kbps])
• added support for UMTS/HSPA in band VIII
• higher resolution camera (5 MP vs. 3.2 MP) with flash
• higher resolution video recording (720p vs. VGA)
• additional front-facing camera
• 3-axis gyroscope
• larger higher-capacity battery (1420 mAh)
• re-designed exterior with glass back plate and a stainless steel band doubling as antenna

These are some of the known hardware differences between iPhone 4S and iPhone 4:

• faster CPU (Apple A5 dual-core processor running at 800 MHz vs. Apple A4 single-core processor running at 800 MHz)
• additional 64 GB flash storage option
• new QUALCOMM multi-mode cellular radio with support for:
  • GSM/GPRS/EDGE in bands II, III, V, and VIII
  • UMTS/HSPA in bands I, II, V, and VIII
  • 1xRTT/1xEV-DO in bands II and V
• faster 3G downloads (HSDPA cat 9/10 (10.1 Mbps/14.0 Mbps) vs. HSDPA cat 7/8 (7.2 Mbps))
• improved Bluetooth radio with support for v4.0 low energy extensions
• higher resolution camera (8 MP vs. 5 MP) with improved optics (5-lens with IR-filter vs. 4-lens)
• higher resolution video recording (1080p vs. 720p)