<Table> <Tr> <Th> Model </Th> <Th> Chromecast (1st generation) </Th> <Th> Chromecast (2nd generation) </Th> <Th> Chromecast Audio </Th> <Th> Chromecast Ultra </Th> </Tr> <Tr> <Th> Release date </Th> <Td> July 24, 2013 </Td> <Td> September 29, 2015 </Td> <Td> September 29, 2015 </Td> <Td> November 6, 2016 </Td> </Tr> <Tr> <Th> Sales discontinued </Th> <Td> September 29, 2015 </Td> <Td>--</Td> <Td>--</Td> <Td>--</Td> </Tr> <Tr> <Th> Launch price </Th> <Td> US $35 </Td> <Td> US $35 </Td> <Td> US $35 </Td> <Td> US $69 </Td> </Tr> <Tr> <Th> System on a chip </Th> <Td> Marvell Armada 1500 Mini 88DE3005 - A1 </Td> <Td> Marvell Armada 1500 Mini Plus 88DE3006 </Td> <Td> Marvell Armada 1500 Mini Plus 88DE3006 </Td> <Td> Marvell Armada 1500 Mini Plus 88DE3009 </Td> </Tr> <Tr> <Th> Memory </Th> <Td> 512 MB RAM DDR3L </Td> <Td> 512 MB RAM DDR3L </Td> <Td> 256 MB RAM DDR3L </Td> <Td> </Td> </Tr> <Tr> <Th> Storage </Th> <Td> 2 GB </Td> <Td> 256 MB </Td> <Td> 256 MB </Td> <Td> </Td> </Tr> <Tr> <Th> Display </Th> <Td> 1080p </Td> <Td> 1080p </Td> <Td> N / A </Td> <Td> <Ul> <Li> 4K Ultra HD </Li> <Li> High dynamic range (HDR10, Dolby Vision) </Li> </Ul> </Td> </Tr> <Tr> <Th> Audio DAC </Th> <Td> N / A </Td> <Td> N / A </Td> <Td> AKM AK4430 192kHz 24 - Bit DAC </Td> <Td> N / A </Td> </Tr> <Tr> <Th> Connectivity </Th> <Td> <Ul> <Li> HDMI (can use CEC) </Li> <Li> Wi - Fi (802.11 b / g / n @ 2.4 GHz) </Li> <Li> Ethernet (with optional USB power adapter) </Li> </Ul> </Td> <Td> <Ul> <Li> HDMI (can use CEC) </Li> <Li> Wi - Fi (802.11 b / g / n / ac @ 2.4 / 5 GHz) </Li> <Li> Ethernet (with optional USB power adapter) </Li> </Ul> </Td> <Td> <Ul> <Li> Combined 3.5 mm audio jack and mini-TOSLINK socket </Li> <Li> Wi - Fi (802.11 b / g / n / ac @ 2.4 / 5 GHz) </Li> <Li> Ethernet (with optional USB power adapter) </Li> </Ul> </Td> <Td> <Ul> <Li> HDMI (can use CEC) </Li> <Li> Wi - Fi (802.11 b / g / n / ac @ 2.4 / 5 GHz) </Li> <Li> Ethernet (with included USB power adapter) </Li> </Ul> </Td> </Tr> <Tr> <Th> Power </Th> <Td> Micro-USB (power adapter or USB port) </Td> <Td> Micro-USB (power adapter or USB port) </Td> <Td> Micro-USB (power adapter or USB port) </Td> <Td> Micro-USB (power adapter required) </Td> </Tr> <Tr> <Th> </Th> <Td> 72 mm × 35 mm × 12 mm (2.83 in × 1.38 in × 0.47 in) </Td> <Td> 51.9 mm × 51.9 mm × 13.49 mm (2.04 in × 2.04 in × 0.53 in) </Td> <Td> 51.9 mm × 51.9 mm × 13.49 mm (2.04 in × 2.04 in × 0.53 in) </Td> <Td> 58.2 mm × 58.2 mm × 13.70 mm (2.29 in × 2.29 in × 0.54 in) </Td> </Tr> <Tr> <Th> Weight </Th> <Td> 34 g (1.20 oz) </Td> <Td> 39.1 g (1.38 oz) </Td> <Td> 30.7 g (1.08 oz) </Td> <Td> 47 g (1.66 oz) </Td> </Tr> </Table> <Tr> <Th> Model </Th> <Th> Chromecast (1st generation) </Th> <Th> Chromecast (2nd generation) </Th> <Th> Chromecast Audio </Th> <Th> Chromecast Ultra </Th> </Tr> <Tr> <Th> Release date </Th> <Td> July 24, 2013 </Td> <Td> September 29, 2015 </Td> <Td> September 29, 2015 </Td> <Td> November 6, 2016 </Td> </Tr> <Tr> <Th> Sales discontinued </Th> <Td> September 29, 2015 </Td> <Td>--</Td> <Td>--</Td> <Td>--</Td> </Tr>

Chromecast 1st gen vs 2nd gen vs ultra