Hardware
| Chipset or Electronic | Product(s) | Component(s) |
|---|---|---|
| Microcontroller | iPod Classic first to third generations | Two ARM 7TDMI-derived CPUs running at 90 MHz |
| iPod fourth and fifth generations, iPod Mini, iPod Nano first generation | Variable-speed ARM 7TDMI CPUs, running at a peak of 80 MHz to save battery life | |
| iPod Nano second generation | Samsung System-on-a-chip, based around an ARM processor. | |
| iPod Shuffle first generation | SigmaTel STMP3550 chip that handles both the music decoding and the audio circuitry. | |
| iPod Touch first and second generation | ARM 1176JZ(F)-S at 412mhz for first gen, 533mhz for second gen. | |
| iPod Touch third and fourth generation | ARM Cortex A8 at 600mhz for third gen, 800mhz for fourth gen. | |
| Audio Chip | All iPods (except the iPod Shuffle, 6G Classic and 2G Touch) | Audio Codecs developed by Wolfson Microelectronics |
| Sixth-generation iPod Classic | Cirrus Logic Audio Codec Chip | |
| Storage Medium | iPod Classic | 45.7 mm (1.8 in) hard drives (ATA-6, 4200 rpm with proprietary connectors) made by Toshiba |
| iPod Mini | 25.4 mm (1 in) Microdrive by Hitachi and Seagate | |
| iPod Nano | Flash Memory from Samsung, Toshiba, and others | |
| iPod Shuffle and Touch | Flash Memory | |
| Batteries | iPod first and second generation, Shuffle | Internal Lithium Polymer Batteries |
| iPod third generation onward, iPod Mini, iPod Nano, iPod Touch, fourth generation iPod Shuffle (including maybe earlier) | Internal Lithium-Ion Batteries | |
| Display | iPod Nano | 1.54-inch (diagonal) Multi-Touch, 240-by-240 resolution at 220 pixels per inch |
| iPod Classic | 2.5-inch (diagonal) color LCD with LED backlight, 320-by-240 resolution at 163 pixels per inch | |
| iPod Touch | 3.5-inch (diagonal) widescreen Multi-Touch, 960-by-640 resolution at 326 pixels per inch |
Read more about this topic: IPod Software
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