There are seven iterations of the Apple TV.
Apple TV (1st generation)[edit]
The first generation Apple TV does not run on a variant of iOS, nor is it an ARM platform. Rather, it runs a variant of Mac OS X 10.4 Tiger on an Intel platform.

- Color: Silver/White
- Power Supply Specs:
- Current: 7.2 Amps
- Power: 48 Wh
- Voltage: 5 V
- CPU Specs:
- Core Design: Intel "Crofton" Pentium M x 1[1]
- CPU Speed: 1 GHz
- RAM: 256 MiB 400 MHz DDR2 SDRAM
- Storage: 40/160 GB IDE hard drive
- Firmware: Modified build of Mac OS X 10.4 Tiger
- Initial firmware: 1.0 (8N5107)
- Last firmware: 3.0.2 (8N6014)
- Internal Name:
AppleTV1,1
Apple TV (2nd generation)[edit]

- Color: Black
- Firmware:
- Initial firmware: 4.0 / 4.1 (8M89)
- Last firmware: 6.2.1 / 7.1.2 (11D258)
- Internal Name:
AppleTV2,1
- Power Supply Specs:
- Current: 1.75 Amps
- Power: 5.95 Wh
- Voltage: 3.4 V
- CPU: S5L8930
- CPU Speed: 1 GHz
- Instruction Set: ARMv7
- RAM: 256 MiB DRAM MB
- Storage: 8 GB
Apple TV (3rd generation)[edit]

- Color: Black
- CPU Specs:
- Core Design: ARM Cortex-A9 x 1 (another core is present on S5L8942, but disabled)
- CPU:
- CPU Speed: 1 GHz
- Instruction Set: ARMv7
- Firmware:
- Initial firmware: 5.0 / 5.1 (9B179b), 5.2 / 6.1 (10B144b)
- Last firmware: 7.9 / 8.4.7 (12H1006), 7.9 / 8.4.7 (12H1006)
- Internal Name:
AppleTV3,1
,AppleTV3,2
- Power Supply Specs:
- Current: 1.75 Amps
- Power: 5.95 Wh
- Voltage: 3.4 V
- RAM: 512 MiB DRAM
- Storage: 8 GB
Apple TV HD[edit]

- Color: Black
- CPU Specs:
- Core Design: Apple Typhoon x 2
- CPU: T7000
- CPU Speed: 1.5 GHz
- Instruction Set: ARMv8
- Firmware:
- Initial firmware: 9.0 (13T396)
- Latest firmware: 17.1 (21K69)
- Latest beta firmware: 17.2 beta 4 (21K5356c)
- Internal Name:
AppleTV5,3
- Power Supply Specs:
- Current: 0.917 Amps
- Power: 410 Wh
- Voltage: 12 V
- RAM: 2 GB
- Storage: 32/64 GB
Apple TV 4K[edit]

- Color: Black
- CPU Specs:
- Core Design: Apple Hurricane & Apple Zephyr
- CPU: T8011
- CPU Speed: 2.38 GHz
- Instruction Set: ARMv8
- Firmware:
- Initial firmware: 11.0 (15J381)
- Latest firmware: 17.1 (21K69)
- Latest beta firmware: 17.2 beta 4 (21K5356c)
- Internal Name:
AppleTV6,2
- Power Supply Specs:
- Current: 1.083 Amps
- Power: ? Wh
- Voltage: 12 V
- RAM: 3 GB
- Storage: 32/64 GB
Apple TV 4K (2nd generation)[edit]

Summary
- Announcement Date: 20 April 2021
- Release Date: 21 May 2021
- Launch Price: $179 USD (32GB) and $199 USD (64GB)
- Color: Black
Hardware
- Processor: Apple A12 Bionic
- Memory: 3 GB LPDDR4 SDRAM
- Storage: 32 GB or 64 GB NAND Flash
Firmwares
- Initial firmware: 14.5 (18L204)
- Latest firmware: 17.1 (21K69)
- Latest beta firmware: 17.2 beta 4 (21K5356c)
- Firmware Identifier: AppleTV11,1
Apple TV 4K (3rd generation)[edit]

Summary
- Announcement Date: 18 October 2022
- Release Date: 4 November 2022
- Launch Price: $129 USD (64GB, Wi-Fi) and $149 USD (128GB, Wi-Fi + Ethernet)
- Color: Black
Hardware
- Processor: Apple A15 Bionic
- Memory: 4 GB LPDDR4 SDRAM
- Storage: 64 GB or 128 GB NAND Flash
Firmwares
- Initial firmware: 16.0 (20J8378)
- Latest firmware: 17.1 (21K69)
- Latest beta firmware: 17.2 beta 4 (21K5356c)
- Firmware Identifier: AppleTV14,1