Roku Express 4K (3940) vs Roku LT (2400)

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

Express 4K (3940) compared with LT (2400)

	RokuExpress 4K (3940)	RokuLT (2400)
Overview
Released
Released	May 2021	November 2011
Video and audio
Resolution
Resolution	4K (better)	720p
HDR
HDR	HDR10, HDR10+ and HLG (better)	None
Video
Video	Up to 4K at 60 fps (Roku's exact Marlin/3940X developer row); HDCP 2.2 required for 4K/HDR	Up to 720p through HDMI; composite video through the included A/V cable is standard definition
HDR
HDR	HDR10, HDR10+ and HLG (Roku's exact Marlin/3940X developer row); no Dolby Vision	–
Performance
Software
Software	Roku OS	Roku OS
Chip details
Chip details	Arm Cortex-A55; OpenGL ES 2.0 (Roku's exact Marlin/3940X developer row)	ARM11 at 600 MHz; Giga hardware, model 2400X in Roku's developer table
Memory
Memory	1 GB (Roku's exact Marlin/3940X developer row)	256 MB in Roku's exact 2400X developer row
Storage
Storage	Internal storage serves system/channel use; maker sources used do not publish user-accessible capacity	–
Software and services
Software and services	Launched with Roku OS 10. App availability varies by region and software version. May 2021 on-sale month is from the exact UK Tech Advisor review; the maker developer table gives only 2021. Cord Busters identifies this model as the UK replacement for Premiere 3920	Roku lists OS 9.1 as the last compatible version for 2400X. This is the original ARM-based LT, distinct from the MIPS-based 2450 and 2700 revisions. Channels and services depend on region and software
Connections
Wi-Fi
Wi-Fi	Wi-Fi 5	Wi-Fi 4
Ethernet
Ethernet	No	No
Voice remote
Voice remote	No	No
Ports
Ports	HDMI output, micro-USB power/compatible Ethernet adaptor connection and reset. No built-in Ethernet socket; USB Ethernet adaptor sold separately	HDMI, composite video/stereo A/V connector, power and reset; no Ethernet, USB or microSD
Wi-Fi and Bluetooth
Wi-Fi and Bluetooth	Dual-band 802.11ac Wi-Fi (Tech Advisor)	Built-in 802.11b/g/n Wi-Fi according to the original maker announcement
Remote
Remote	Original standard infrared remote with channel shortcuts; no microphone, television power/volume controls or headphone socket. Express 4K+ 3941 includes the voice remote instead	Standard infrared remote; no voice microphone, headphone socket or motion control
Design
Type
Type	Box	Box
Power
Power	USB power cable and mains adaptor supplied; use the adaptor if the television USB port provides insufficient power	–
In the box
In the box	Player, infrared remote, batteries, premium high-speed HDMI cable, USB power cable, power adaptor and removable adhesive strip	LT player, standard infrared remote, two AAA batteries, RCA A/V cable and power adaptor; HDMI cable sold separately