Roku Premiere+ (4630) vs Roku Ultra (4640)

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Premiere+ (4630) compared with Ultra (4640)

	RokuPremiere+ (4630)	RokuUltra (4640)
Overview
Released
Released	October 2016	October 2016
Video and audio
Resolution
Resolution	4K	4K
HDR
HDR	HDR10	HDR10
Video
Video	4K UHD up to 60 fps; HDCP 2.2 required for protected 4K content (Roku launch release and exact Cooper/4630X developer row). TechRadar's 30 fps specification conflicts with the maker	Up to 4K at 60 fps; HDCP 2.2; upscales 720p and 1080p sources to 4K (Roku launch release reproduced by Display Daily)
HDR
HDR	–	HDR10 (Roku's exact Cooper/4640X developer row); Dolby Vision is not supported
Audio
Audio	Night listening mode adjusts sound levels; remote headphone socket for private listening	Dolby Digital and Dolby Digital Plus decoding; optical digital audio output for compatible receivers and soundbars (Roku launch release)
Performance
Software
Software	Roku OS	Roku OS
Chip details
Chip details	Arm Cortex-A53 quad-core at 1.2 GHz; OpenGL ES 2.0 (Roku's exact Cooper/4630X developer row)	Arm Cortex-A53 quad-core 1.2 GHz; OpenGL ES 2.0 (Roku's Cooper/4640X developer row)
Memory
Memory	1 GB (Roku's exact Cooper/4630X developer row)	1 GB (Roku's exact Cooper/4640X developer row)
Storage
Storage	microSD expands channel storage (Roku launch release); not removable-media playback, despite the TechRadar review's description	MicroSD slot provides additional channel storage; USB is for local media playback (Roku launch release). No verified built-in user storage capacity
Software and services
Software and services	Roku OS; apps and features vary by region and software version. This is the original 2016 box, not the smaller 2018 Premiere+	Roku OS; apps and features vary by region and software version
Connections
Wi-Fi
Wi-Fi	Wi-Fi 5	Wi-Fi 5
Ethernet
Ethernet	Yes	Yes
Voice remote
Voice remote	No	Yes
Ports
Ports	HDMI, 10/100 Ethernet, microSD and power input; no optical audio or USB media port (TechRadar)	HDMI, Ethernet, optical digital audio output, USB media playback port, microSD slot and power input
Wi-Fi and Bluetooth
Wi-Fi and Bluetooth	Dual-band 802.11ac MIMO (Roku launch release)	Dual-band 802.11ac MIMO (Roku launch release)
Remote
Remote	Original point-anywhere remote with headphone socket; no microphone, television power button or lost-remote finder	Original point-anywhere remote has voice search, headphone jack, headphone volume, gaming buttons and lost-remote finder; no TV volume or power control (The Next Web)
Design
Type
Type	Box	Box
Size
Size	–	4.9 × 4.9 × 0.9 in; fanless design (Tom's Guide)