Apple TV 4K (2nd generation) vs Roku Ultra (4800)

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TV 4K (2nd generation) compared with Ultra (4800)

	AppleTV 4K (2nd generation)	RokuUltra (4800)
Overview
Released
Released	May 2021	October 2020
Video and audio
Resolution
Resolution	4K	4K
HDR
HDR	Dolby Vision, HDR10 and HLG	HDR10, Dolby Vision and HLG
Dolby Atmos
Dolby Atmos	Yes	Yes
Video
Video	H.264/HEVC SDR video up to 2160p, 60 fps, Main/Main 10 profile	Up to 4K at 60 fps; Roku's model-4800 guide specifies an HDCP 2.2 HDMI connection for 4K
HDR
HDR	HEVC Dolby Vision (Profile 5), HDR10 (Main 10 profile) and HLG up to 2160p, 60 fps	Roku's current Benjamin/4800X developer row lists HDR10, Dolby Vision and HLG. An older model-4800 support document also claims HDR10+, which the developer row omits; HDR10+ is left out of the main field pending reconciliation
Audio
Audio	Dolby Atmos; AC-3 (Dolby Digital 5.1) and E-AC-3 (Dolby Digital Plus 7.1); Apple Lossless, FLAC, AIFF, WAV, AAC, HE-AAC and MP3; ARC or eARC over HDMI	Dolby Atmos with compatible content and sound system; TechRadar lists AAC, MP3, WMA, FLAC, PCM, AC3/EAC3, DTS and ALAC support
Performance
Software
Software	tvOS	Roku OS
Storage
Storage	32 GB	–
Chip details
Chip details	A12 Bionic with 64-bit architecture	Quad-core processor (Roku launch announcement); Roku's Benjamin/4800X developer row identifies Arm Cortex-A55
Memory
Memory	3 GB LPDDR4 (iFixit teardown)	2 GB (Roku's Benjamin/4800X developer row)
Software and services
Software and services	–	Roku OS; OS 9.4 was announced alongside the player. AirPlay 2 and HomeKit were added after launch, as confirmed in Tom's Guide's review; apps and features vary by country and software version
Storage
Storage	32GB or 64GB	–
Connections
Wi-Fi
Wi-Fi	Wi-Fi 6	Wi-Fi 5
Ethernet
Ethernet	Yes	Yes
Smart home hub
Smart home hub	Yes	–
Voice remote
Voice remote	Yes	Yes
Ports
Ports	HDMI 2.1 (up to 4K 60 fps HDR output, ARC or eARC); Gigabit Ethernet; IR receiver	HDMI, USB, Ethernet and power input (model-4800 Quick Start Guide); no microSD slot (both reviews)
Wi-Fi and Bluetooth
Wi-Fi and Bluetooth	802.11ax Wi-Fi 6 with MIMO, simultaneous dual band (2.4GHz and 5GHz); Bluetooth 5.0	Dual-band 802.11ac (TechRadar); Bluetooth support and up to 50% greater wireless range than the prior model (Roku's launch claim)
Smart home
Smart home	Home hub; Thread, for HomeKit or Matter Thread accessories	Controllable through compatible Amazon Alexa and Google Assistant devices; AirPlay 2 and HomeKit support with updated software
Remote
Remote	Siri Remote (2nd generation) with clickpad, microphone for Siri, Bluetooth 5.0 and IR transmitter; controls the TV or receiver by IR or CEC; rechargeable over Lightning; 136 × 35 × 9.25 mm, 63 g	Original voice remote has TV power, volume and mute, headphone jack, two personal shortcuts and lost-remote finder; two AA batteries. Later rechargeable-remote bundles are not separate player hardware here
Design
Type
Type	Box	Box
Power
Power	Built-in power supply	Supplied mains power adaptor
Size
Size	35 × 98 × 98 mm (H × W × D); 425 g	4.9 × 4.9 × 0.9 in (Tom's Guide)
In the box
In the box	Apple TV 4K, Siri Remote, power cord, Lightning to USB cable, documentation	Ultra player, voice remote, headphones, two AA batteries, Premium High Speed HDMI cable and power adaptor