Streaming devices / Compare

Google Chromecast with Google TV (4K) vs Roku Express 4K+

A

Product A: Google

Chromecast with Google TV (4K)

67 of 97 known

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B

Product B: Roku

Express 4K+

52 of 97 known

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All 97 fields

Every value links to where we found it.

Only differences

AGoogle Chromecast with Google TV (4K)

BRoku Express 4K+

General

6 of 8 differ

Series

Chromecast1Press releaseblog.google/products-and-platforms/products/chromecast/best-chromecast-google-tvRead 7 October 2026Original September 30, 2020 Chromecast with Google TV launch. The later 2022 HD model is excluded.

Express1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026The live roku.com page for this URL now shows another product, so the maker page was read from the Internet Archive capture of 2022-10-10. Product details, model 3941R.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

GZRNL4Owner's manualsupport.google.com/product-documentation/answer/4541589Read 7 October 2026Exact original Chromecast with Google TV (4K) section US regulatory Model number row names GZRNL. Regional retail SKUs are not mixed into the generic model identifier.

3941R, 3941R21Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Model row 3941R. 3941R2 is the same Express 4K+ device according to Roku's answer on the Best Buy product Q&A page.16Retailer pagebestbuy.com/site/questions/roku-express-4k--streaming-player-hd-4k-hdr-with-roku-voice-remote-with-tv-controls-includes-premium-hdmi-cable-black/6449512/question/f1b4d262-9e14-37b8-b599-10e45fb527a2Read 11 October 2026Best Buy product Q&A, Roku Team answer: both the 3941R and 3941R2 are the same Roku Express 4K+ device. The Roku developer table lists 3941X and 3941X2 as the software model names.

GTIN / EAN

Not available

Not available

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

30 September 20201Press releaseblog.google/products-and-platforms/products/chromecast/best-chromecast-google-tvRead 7 October 2026Dated original maker launch release.

13 April 202112Press articletechcrunch.com/2021/04/13/roku-launches-a-rechargeable-hands-free-voice-remote-and-other-devices-rolls-out-roku-os-10Read 11 October 2026Article dated 2021-04-13 announces the Roku Express 4K+.

Status

Discontinued15Press releaseblog.google/products-and-platforms/devices/google-nest/chromecast-historyRead 7 October 2026Maker August 6, 2024 announcement explicitly ends Chromecast production and limits remaining retail to supplies last. Software support and reseller stock are separate.

Discontinued3Maker product pagedeveloper.roku.com/dev/docs/hardwareRead 11 October 2026Express 4K+ rows (3941X Marlin, 3941X2 Bailey) sit in the Updatable list. Roku says it no longer manufactures these products. Retailers may still hold stock.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Google TV Streamer (4K)19Maker product pageblog.google/products-and-platforms/devices/google-nest/google-tv-streamerRead 23 October 2026Google says the Google TV Streamer replaces Chromecast and calls it its next-generation 4K TV streaming device.20Reviewandroidauthority.com/google-tv-streamer-review-3482950Read 23 October 2026Android Authority's review calls the Google TV Streamer a worthy successor and compares it with the 2020 Chromecast with Google TV.

Roku Streaming Stick Plus (2025)17Maker product pageroku.com/blog/players-25Read 23 October 2026Roku says the Roku Streaming Stick Plus replaces the Roku Express 4K+ at the same price.

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$49.991Press releaseblog.google/products-and-platforms/products/chromecast/best-chromecast-google-tvRead 7 October 2026Original US standard launch price for the 2020 4K Chromecast with Google TV. Excludes bundles, sales and taxes. The maker says available starting today in the US.

$39.9912Press articletechcrunch.com/2021/04/13/roku-launches-a-rechargeable-hands-free-voice-remote-and-other-devices-rolls-out-roku-os-10Read 11 October 2026Express 4K+ at $39.99 in the US. Price excludes sales tax.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US, AU, CA, FR, DE, IE, IT, ES, GB1Press releaseblog.google/products-and-platforms/products/chromecast/best-chromecast-google-tvRead 7 October 2026Launch release names US immediate availability and these eight other markets for October 15 availability. Hardware is the original 2020 4K product, not the later HD model.

US1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026The page is the Roku US site and the model row is the US retail model 3941R. The maker's launch material and the TechCrunch launch report give US availability.

ColoursiThe maker's own colour names

Snow, Sunrise, Sky1Press releaseblog.google/products-and-platforms/products/chromecast/best-chromecast-google-tvRead 7 October 2026Original maker launch names these three colors. Photo uses Snow.

Black13Retailer pagequill.com/roku-express-4k-plus-black-3941r/cbs/55407410.htmlRead 11 October 2026Retailer listing for the Roku Express 4K Plus 3941R, colour Black.

Form factoriA stick plugs straight into the HDMI port. A dongle hangs from its own short fixed HDMI lead. A box stands on its own and connects by a separate cable.

Dongle6Reviewflatpanelshd.com/review.phpRead 7 October 2026Original 2021 exact 4K review identifies dongle hardware, not the later Streamer box.

Box1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026The maker's product image and the quick start guide show a small separate player that connects to the TV with an HDMI cable. It is not a stick or dongle.

Video output

6 of 11 differ

Max output resolutioniHighest published video output resolution. Decoder capability and app streaming quality do not establish the output resolution.

3840 × 2160px2Maker product pagesupport.google.com/chromecast/answer/3046409Read 7 October 2026Exact 4K section supports up to 4K Ultra HD output. UHD is 3840 x 2160. Requires a compatible 4K television, 4K content and adequate broadband. This is output, not decoder maximum.

3840 × 2160px1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Tech specs, TV Compatibility: 4K TVs up to 2160p at 60fps (3840 x 2160), needs an HDMI input that supports HDCP 2.2.

Max output refresh rateiHighest published output refresh rate. Resolution, HDR and connection conditions belong in the source note. This is not a television panel refresh rate.

60Hz2Maker product pagesupport.google.com/chromecast/answer/3046409Read 7 October 2026Exact 4K section supports up to 60 fps at 4K Ultra HD. Requires compatible TV and content. No lower-resolution maxima inferred.

60Hz1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Tech specs, TV Compatibility: up to 2160p at 60fps. HDR and chroma conditions are not stated.

Video output modesiPublished video output combinations. A row records support, not a proved maximum at every lower resolution. Keep HDR, chroma and bit depth conditions in source notes.

AGoogle Chromecast with Google TV (4K)

Width (px)	Height (px)	Refresh rate (Hz)
3840	2160	60

Source2Maker product pagesupport.google.com/chromecast/answer/3046409Read 7 October 2026Exact 4K section explicitly supports up to 4K Ultra HD in up to 60 fps. Row describes UHD 60 Hz support without inferred HDR, chroma or bit-depth combination. Lower-resolution modes remain unproved.

BRoku Express 4K+

Width (px)	Height (px)	Refresh rate (Hz)
3840	2160	60

Source1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026One row from the 4K TVs line. HDR, bit depth and chroma are not stated for this row. The HD TVs line states up to 1080p without a rate, so no 1080p row is stored.

HDR formats

HDR10, HDR10+, Dolby Vision, HLG2Maker product pagesupport.google.com/chromecast/answer/3046409Read 7 October 2026Exact 4K section names Dolby Vision, HLG decode, HDR10 and HDR10+. Format works only with compatible content and television.

HDR10, HDR10+, HLG1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Tech specs, 4K HDR TVs: supports HDR10/10+ and HLG. No Dolby Vision is listed.

Dolby Vision profilesiPublished supported Dolby Vision profiles and levels. Streaming support does not prove local-file support.

Not available

Not available

HDMI versioniPublished HDMI output revision. A revision does not establish every optional HDMI feature.

2.02Maker product pagesupport.google.com/chromecast/answer/3046409Read 7 October 2026Exact 4K Output row names HDMI 2.0 with ALLM. No optional 2.1 capability inferred.

2.0b10Reviewtechradar.com/reviews/roku-express-4k-2021Read 11 October 2026Review of the Express 4K+ states 4K HDR streaming at up to 60 frames per second over HDMI 2.0b. No maker page states the HDMI revision.

HDCP version

Not available

2.21Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Tech specs footnote: requires a compatible TV with an HDMI input that supports HDCP 2.2. This is the stated protected-output chain version.

HDMI-CEC

Yes6Reviewflatpanelshd.com/review.phpRead 7 October 2026Original review describes TV remote controlling Chromecast UI and TV power/volume interoperability using HDMI CEC. TV and setup compatibility still applies.

Yes10Reviewtechradar.com/reviews/roku-express-4k-2021Read 11 October 2026Review of the Express 4K+: the remote's volume and power buttons control the TV over HDMI-CEC. Roku's support pages describe CEC settings for Roku players in general.

Automatic frame rate matchingiCan switch the video output rate to match content. App, operating system and playback restrictions belong in the source note.

Yes8Maker product pagesupport.google.com/chromecast/answer/10117046Read 7 October 2026Current exact 4K display help says Match content frame rate allows matching source content. Requires app and TV support. This is later software support, with exact introduced firmware version unstated in this help page. Original 2021 review absence is historical, not current hardware absence.

Not available

Dynamic range matchingiCan switch the output dynamic range to match SDR or HDR content. App and firmware restrictions belong in the source note.

Yes8Maker product pagesupport.google.com/chromecast/answer/10117046Read 7 October 2026Current display help explicitly turns on Match content for correct SDR rather than forced HDR. Original exact review independently tested switching SDR/HDR10/Dolby Vision. Compatible app and television required.

Not available

UpscalingiNamed video upscaling modes. Record source resolution and output restrictions in source notes.

Not available

720p to 1080p, 720p and 1080p to 4K1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026HD TVs: up to 1080p with up-scaling from 720p. 4K TVs: up to 2160p with upscaling from 720p and 1080p.

Video decoding

4 of 4 differ

Video codecsiExplicitly supported video decoding formats. Use names such as H.264, HEVC, AV1 and VP9. Chip capabilities alone do not prove device playback support.

H.264, HEVC (H.265), VP912Maker product pagedevelopers.google.com/cast/docs/mediaRead 7 October 2026Exact Chromecast with Google TV subsection lists H.264 High Profile level 5.1, HEVC Main/Main10 level 5.1 and VP9 Profile 2. Generic Streamer AV1 and other devices are excluded.

H.264, HEVC8Owner's manualsupport.roku.com/article/share-media-over-usb-or-networkRead 11 October 2026Roku Media Player lists H.264/AVC and 4K H.265/HEVC. VP9 and AV1 are stated only for some Roku devices, so they are not stored. This player has no USB port, so the network media-server route applies.

Video decode limitsiPublished supported decoding limits. Profiles, levels and playback route matter. Output resolution and service support are separate.

AGoogle Chromecast with Google TV (4K)

Codec	Profile	Level	Max frame rate (fps)
H.264	High	5.1	30
HEVC (H.265)	Main / Main10	5.1	60
VP9	2	Not available	60

Source12Maker product pagedevelopers.google.com/cast/docs/mediaRead 7 October 2026Exact device subsection gives H.264 up to 4Kx2K/30 fps, HEVC up to 4Kx2K/60 fps and VP9 Profile-2 up to 4Kx2K/60 fps for Google Cast. Pixel axes and HEVC bit depth not calculated from codec profile. These decoder limits do not establish output combinations.

BRoku Express 4K+

Not available

Video containersiExplicitly supported local playback containers. App requirements belong in the source note.

Not available

MKV, MP4, MOV8Owner's manualsupport.roku.com/article/share-media-over-usb-or-networkRead 11 October 2026AVC and HEVC in MKV, MP4 and MOV. Network media-server route. App, firmware and file capabilities apply.

DRM systemsiNamed supported DRM systems and security levels. DRM certification does not prove a particular service streams at 4K.

Widevine L113Spec databaseandroidtv-guide.com/streaming-gaming/google-chromecastRead 7 October 2026Exact Chromecast with Google TV (4K), year 2020, DRM table explicitly names Widevine L1. No PlayReady or FairPlay inferred. DRM does not establish any particular app streaming at 4K.

Widevine L1, PlayReady9Maker product pagedeveloper.roku.com/dev/docs/content-protectionRead 11 October 2026Widevine security-level table lists Marlin and Bailey, the Express 4K+ code names, under L1 Players. The page documents PlayReady for Roku OS and lists no exclusion for these code names. App DRM libraries and valid licenses are required.

Audio

5 of 8 differ

Audio formatsiPublished supported audio formats. Decoder, output and passthrough roles are qualified in source notes.

Dolby Digital, Dolby Digital Plus, Dolby Atmos3Maker spec sheet (PDF)linqcdn.avbportal.com/documents/030e0ff4-253f-4479-a0ee-4aa70f825bca.pdfRead 7 October 2026Original device Audio formats row names these formats and explicitly qualifies Dolby Atmos as pass-through. Requires compatible HDMI audio equipment and app/content.

Digital stereo, DTS Digital Surround, Dolby-encoded audio, MP3, FLAC, PCM, ALAC, Vorbis, AAC1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Maker lines: digital stereo over HDMI, DTS Digital Surround pass through over HDMI, pass-through of Dolby-encoded audio over HDMI. MP3, FLAC, PCM, ALAC, Vorbis and AAC come from the Roku Media Player page and apply to the network media-server route.

Audio passthrough formatsiCompressed formats explicitly passed to external audio equipment without decoding. Dolby Atmos support alone does not establish TrueHD passthrough.

Dolby Digital, Dolby Digital Plus, Dolby Atmos3Maker spec sheet (PDF)linqcdn.avbportal.com/documents/030e0ff4-253f-4479-a0ee-4aa70f825bca.pdfRead 7 October 2026Original Audio formats row names Dolby Digital, Dolby Digital Plus and Dolby Atmos (pass-through). Current maker help confirms Dolby audio pass-through mode. This does not prove TrueHD-based Atmos or lossless DTS formats.

DTS Digital Surround, Dolby-encoded audio1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Literal maker lines. Dolby codecs stay generic because the page does not name Dolby Digital, Dolby Digital Plus or Atmos.

Dolby AtmosiExplicit device support for Dolby Atmos. Codec, service, app and output requirements belong in the source note.

Yes3Maker spec sheet (PDF)linqcdn.avbportal.com/documents/030e0ff4-253f-4479-a0ee-4aa70f825bca.pdfRead 7 October 2026Original maker sheet explicitly identifies Dolby Atmos pass-through, not every Atmos transport. Requires compatible audio output equipment and supporting application.

No11Reviewtomsguide.com/reviews/roku-express-4k-plusRead 11 October 2026Review of the Express 4K Plus: no Dolby Vision or Atmos audio. TechRadar and SlashGear agree.

Audio channel configurationsiPublished output configurations, such as 2.0, 5.1 or 7.1. Keep PCM and compressed audio routes separate in source notes. Dolby Atmos support alone does not establish a channel configuration.

Not available

2.01Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Digital stereo over HDMI. No numeric multichannel layout is stated.

Max audio sample rateiHighest published audio output sample rate. Keep playback route and format in source notes.

Not available

Not available

Max audio bit depthiHighest published audio output bit depth. Keep playback route and format in source notes.

Not available

Not available

Bluetooth audio output

Yes10Maker product pagesupport.google.com/chromecast/answer/14632555Read 7 October 2026Current maker guide explicitly allows Bluetooth headphones or speakers with Chromecast with Google TV. Only one audio device at a time. No Bluetooth codec inferred from version.

No7Owner's manualsupport.roku.com/en-us/article/how-to-use-bluetooth-headphone-modeRead 11 October 2026Roku Express is listed as a device without Headphone Mode. The Express 4K+ is not in the compatible list. The article names 'Roku Express' without a generation, so Express 4K+ is read as part of that family. A Bluetooth radio version is not published.

Bluetooth audio codecsiExplicitly supported codecs for audio sent to Bluetooth headphones or speakers. Bluetooth version alone is not proof.

Not available

Not available

Processor and memory

7 of 11 differ

System on chip

Not available

Not available

CPU

ARM Cortex-A556Reviewflatpanelshd.com/review.phpRead 7 October 2026Original exact Chromecast review identifies four ARM A55 cores. Public TechInsights physical teardown independently identifies Cortex-A55.

ARM Cortex-A553Maker product pagedeveloper.roku.com/dev/docs/hardwareRead 11 October 2026Express 4K+ rows: ARM Cortex A55. The core count is not stated for this model.

CPU cores

46Reviewflatpanelshd.com/review.phpRead 7 October 2026Original exact device specification and prose explicitly give quad-core processor.

Not available

Max CPU clockiHighest explicitly published processor clock for this device. Generic chipset limits are not device evidence.

1.9GHz6Reviewflatpanelshd.com/review.phpRead 7 October 2026Original review states four 1.9 GHz ARM-based cores on this device. Android TV Guide exact 4K specification independently gives 1.9 GHz. Not a generic Amlogic chip maximum.

Not available

GPU

ARM Mali-G316Reviewflatpanelshd.com/review.phpRead 7 October 2026Original exact review prose identifies Mali-G31 GPU. No shader count or optional mode inferred.

Not available

RAMiKeep published GB values as stated. Convert a source explicitly labelled MB using 1000 MB per GB and preserve its original figure and unit in the note. Do not assume MB means MiB. Convert explicit MiB or GiB to decimal GB through their byte definitions, recording the conversion in the note. This normalization does not establish an exact physical byte count.

2GB6Reviewflatpanelshd.com/review.phpRead 7 October 2026Original exact review states 2 GB RAM. TechInsights physical teardown independently reports 2 GB.

1GB3Maker product pagedeveloper.roku.com/dev/docs/hardwareRead 11 October 2026Express 4K+ rows: 1 GB.

RAM type

LPDDR47Reviewtechinsights.com/products/ddt-2010-818Read 7 October 2026Public physical teardown of GA01919-CA identifies SK Hynix H9HCNNNBKUMLHR-NME 2 GB mobile LPDDR4 SDRAM. This describes the original Canadian teardown sample. Supplier revisions are not asserted.

Not available

StorageiMarketed built-in storage capacity in decimal GB. Free space after the operating system is separate.

8GB6Reviewflatpanelshd.com/review.phpRead 7 October 2026Original exact review states 8 GB built-in storage. Free 4.4 GB after setup is not marketed capacity. TechInsights physical teardown independently reports 8 GB flash.

Not available

Storage type

MLC NAND flash7Reviewtechinsights.com/products/ddt-2010-818Read 7 October 2026Public physical teardown of original GA01919-CA names Samsung KLM8G1GETF-B041 8 GB MLC NAND Flash memory. No unproved interface or bus generation added. Supplier revision is not generalized.

Not available

Expandable storageiCan use added removable or external storage to store installed apps or play media directly. Copying files through a USB data connection alone does not qualify. The source note states whether apps, media or both are supported and names the connection and limitations. Storage must be attached to the streaming device. Cloud and network streaming do not qualify.

Not available

Not available

Storage expansion methodsiPublished methods for adding app or media storage. USB support alone does not prove app installation on external storage.

Not available

Not available

Connectivity

2 of 7 differ

Wi-Fi

Wi-Fi 52Maker product pagesupport.google.com/chromecast/answer/3046409Read 7 October 2026Exact 4K Wireless standards row names 802.11ac.

Wi-Fi 51Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Networking row: 802.11ac dual-band Wi-Fi (2.4 GHz / 5 GHz). 802.11ac is Wi-Fi 5.

Wi-Fi bands

2.4 GHz, 5 GHz2Maker product pagesupport.google.com/chromecast/answer/3046409Read 7 October 2026Exact 4K Wireless standards row explicitly names 2.4 GHz and 5 GHz.

2.4 GHz, 5 GHz1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Networking row: 2.4 GHz / 5 GHz.

Wi-Fi MIMOiWritten as 2x2 MIMO when the maker gives the stream count, or MIMO when it does not. 2T2R counts as 2x2. MU-MIMO support alone does not show more than one stream, so it is not stored. Band wording goes in the source note.

Not available

Not available

Built-in Ethernet speediRated speed of a built-in Ethernet port. An optional USB Ethernet adapter does not count.

Not available

Not available

Optional Ethernet adapter supportiExplicit support for an external Ethernet adapter. Required adapter and connection belong in the source note.

Yes2Maker product pagesupport.google.com/chromecast/answer/3046409Read 7 October 2026Exact 4K Power and Ports rows explicitly support a separate Ethernet power adapter sold separately. No Ethernet port is built into the dongle.

Yes1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Networking row: wired Ethernet requires a USB adaptor, sold separately. The setup article names the micro USB port. This is not a built-in Ethernet port.15Owner's manualsupport.roku.com/article/connect-to-a-wired-network-with-usbRead 11 October 2026Roku Express 4K+ (3941) is in the compatible device table. It needs a micro USB Ethernet adapter, 10/100 Mbps only, with an AX8877X or SMSC95XX chipset. The adapter is powered separately. This is not built-in Ethernet or storage expansion.

Bluetooth versioniPublished device Bluetooth version. The remote can use a different Bluetooth version.

4.22Maker product pagesupport.google.com/chromecast/answer/3046409Read 7 October 2026Exact device 4K Wireless standards row names Bluetooth 4.2. No later Streamer radio inherited.

Not available

PortsiPhysical device connectors, including a fixed HDMI plug and power-only USB. Excludes connectors on the remote and optional adapters. Count identical connectors in each row.

AGoogle Chromecast with Google TV (4K)

Connector	Count	Version	Role
HDMI	1	2.0	Fixed HDMI plug for video and audio output
USB-C	1	Not available	Power and data

Source2Maker product pagesupport.google.com/chromecast/answer/3046409Read 7 October 2026Exact 4K complete ports list has fixed HDMI plug and USB-C for power and data. Optional Ethernet-adapter connector is not counted as a built-in port.

BRoku Express 4K+

Connector	Count	Version	Role
HDMI	1	2.0b	Video and audio output
Micro USB	1	Not available	Power input and compatible optional Ethernet adapter connection

Source1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Ports row lists HDMI, Micro USB and a Reset button. The reset button is not a connector and is not stored. The micro USB role comes from the setup article. HDMI version comes from TechRadar.

Smart home

1 of 3 differ

Thread border router

Not available

Not available

Matter controlleriCan commission and control Matter accessories. Acting as a Matter accessory alone does not qualify.

Not available

Not available

Smart home platforms

Google Home1Press releaseblog.google/products-and-platforms/products/chromecast/best-chromecast-google-tvRead 7 October 2026Maker launch shows controlling smart-home lights and viewing a Nest Camera through Google Assistant. This records Google ecosystem controls, not Matter commissioning or Thread routing.

Apple HomeKit, Google Home, Amazon Alexa1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Compatibility rows: works with Apple AirPlay and HomeKit, Google Home and Alexa. This does not establish Matter or Thread.

Remote control

5 of 9 differ

Remote model

G9N9N4Owner's manualsupport.google.com/product-documentation/answer/4541589Read 7 October 2026Exact original 4K and Voice Remote regulatory section names G9N9N as Google Chromecast Voice Remote. Later Streamer remote is a separate product.

Roku Voice Remote with TV controls1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Remote control row: voice remote with TV power, volume, and mute buttons. The name 'Roku Voice Remote with TV controls' follows the Roku Express 4K+ retail title.

Remote connectioniEvery wireless link the included remote uses, to the device or to other equipment. An infrared transmitter that controls the TV counts as infrared.

Bluetooth, Infrared3Maker spec sheet (PDF)linqcdn.avbportal.com/documents/030e0ff4-253f-4479-a0ee-4aa70f825bca.pdfRead 7 October 2026Original Voice Remote Connectivity table names Bluetooth and IR to control TV, soundbar or receiver. Device navigation is Bluetooth. TV/audio equipment controls use IR where configured.

Not available

Remote microphone

Yes2Maker product pagesupport.google.com/chromecast/answer/3046409Read 7 October 2026Original Chromecast Voice Remote Audio row names microphone for voice input between power and input buttons.

Yes1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Remote control row and the Voice button on the quick start guide diagram. Press-to-talk remote, not hands-free.

Remote voice assistantsiVoice assistants usable from the supplied remote. Region, language, app and firmware restrictions belong in the source note.

Google Assistant1Press releaseblog.google/products-and-platforms/products/chromecast/best-chromecast-google-tvRead 7 October 2026Original supplied voice remote has a dedicated Google Assistant button. This is original software functionality, not a claim about every later firmware or language.

Roku Voice1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Voice remote row and the Roku Voice search button. Roku Voice is the only assistant on the supplied remote.

Remote TV controliSupported TV controls, such as power, volume and input. Infrared and HDMI-CEC routes are qualified in source notes.

Power, Volume, Input1Press releaseblog.google/products-and-platforms/products/chromecast/best-chromecast-google-tvRead 7 October 2026Maker launch explicitly names programmable TV controls for power, volume and input. Original remote IR route is separately documented in the tech sheet.

Power, Volume, Mute1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Remote TV power and volume buttons work with most TVs. Mute is the third button named in the Remote control row.

Remote finder

No9Maker product pagesupport.google.com/chromecast/answer/10092687Read 7 October 2026Original Chromecast Voice Remote section and final Important note say Find My Remote only works with Google TV Streamer. Original G9N9N remote is not the separately compatible replacement Streamer remote.14Reviewandroidauthority.com/chromecast-with-google-tv-review-1162931Read 7 October 2026Exact Chromecast with Google TV review says a remote finder would be welcome. This describes the original supplied remote, not the separately sold later Streamer remote.

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Remote backlight

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Remote poweriPublished batteries or rechargeable battery arrangement for the supplied remote.

2 AAA batteries2Maker product pagesupport.google.com/chromecast/answer/3046409Read 7 October 2026Original Chromecast Voice Remote Battery row explicitly names two AAA batteries included. Not the later Streamer Voice Remote.

2 AAA batteries2Owner's manualimage.roku.com/c3VwcG9ydC1B/Roku-Express-4K-Plus-QSG-US-Fall2022-pdf.pdfRead 11 October 2026What's included page: two pre-installed AAA batteries.

Remote charging port

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Software

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Operating systemiPlatform name. The launch version is stored separately from later firmware support.

Google TV (Android TV OS)1Press releaseblog.google/products-and-platforms/products/chromecast/best-chromecast-google-tvRead 7 October 2026Original maker launch identifies the Google TV experience on the new Chromecast. Underlying Android TV OS is separately named in original technical sheet.

Roku OS3Maker product pagedeveloper.roku.com/dev/docs/hardwareRead 11 October 2026Hardware table is the Roku OS developer reference. The player runs Roku OS.

Operating system at launch

Android TV 106Reviewflatpanelshd.com/review.phpRead 7 October 2026Original 2021 review explicitly says Chromecast with Google TV was launched with Android 10 in late 2020. Later Android 12/14 software is separate.

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App store

Google Play Store6Reviewflatpanelshd.com/review.phpRead 7 October 2026Original exact review explicitly says Google Play store installs Android TV apps on the device.

Roku Streaming Store4Owner's manualsupport.roku.com/article/1500004688162Read 11 October 2026How to set up your Roku Express 4K+: add new apps from the Streaming Store. The same article lists the box contents and the micro USB port for a compatible Ethernet adapter.

Casting protocolsiPublished casting or screen mirroring protocols. AirPlay and Google Cast are distinct. App-only playback support does not prove system-wide mirroring.

Google Cast12Maker product pagedevelopers.google.com/cast/docs/mediaRead 7 October 2026Maker Google Cast supported-media documentation explicitly has a Chromecast with Google TV device subsection. This establishes Google Cast receiving. AirPlay and Miracast not inferred.

Apple AirPlay 26Owner's manualsupport.roku.com/article/screen-mirror-your-apple-device-with-airplayRead 11 October 2026Roku Express 4K+ (3941) is in the table of devices that support Apple HomeKit and streaming with AirPlay 2 on Roku OS 9.4 or higher.

Voice assistantsiVoice assistants supported by the device. A remote microphone and hands-free activation are separate features.

Google Assistant1Press releaseblog.google/products-and-platforms/products/chromecast/best-chromecast-google-tvRead 7 October 2026Maker launch names Google Assistant on the device through the supplied remote. External smart-speaker voice control does not establish a built-in far-field microphone.

Roku Voice, Amazon Alexa, Google Assistant, Apple Siri1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Compatibility rows: works with Alexa, Google Home, and Apple AirPlay and HomeKit. Roku Voice runs from the supplied remote. Alexa, Google Assistant and Siri work through other devices. They do not run on the supplied remote.6Owner's manualsupport.roku.com/article/screen-mirror-your-apple-device-with-airplayRead 11 October 2026Apple HomeKit lets you use Siri and the Home app on an Apple device to control the player. Supported on Roku Express 4K+ (3941).

Hands-free voice controliControl the streaming device by voice without pressing a button. This may use built-in microphones or a compatible linked smart speaker, phone or headset. The source note names the required device, connection, software and supported commands. A microphone on a press-to-talk remote alone does not qualify.

Yes18Maker product pagesupport.google.com/chromecast/answer/9563059Read 7 October 2026Supported-device list explicitly names Chromecast with Google TV. Google Assistant commands spoken to a linked Google Home/Nest speaker or display can move/cast currently streaming audio and YouTube videos to the streaming device. Media is limited to supported audio and YouTube. This is external-speaker hands-free control, not an onboard microphone or full UI navigation. Accounts/network and compatible speaker setup required.

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Mobile remote platforms

Android, iOS11Maker product pagesupport.google.com/chromecast/answer/11221499Read 7 October 2026Maker exact device guide supports Android phone Google TV app 4.27.8.93 or later and iPhone iOS 14 or later with current Google Home/Google TV app. Features vary by app route.

Android, iOS5Owner's manualsupport.roku.com/article/360063908513Read 11 October 2026Getting to know your Roku Express 4K or Express 4K+: the free Roku mobile app for iOS and Android controls the device by voice.

Accessibility features

Text scaling, TalkBack screen reader8Maker product pagesupport.google.com/chromecast/answer/10117046Read 7 October 2026Current exact 4K display help explicitly names text scaling. Original launcher behavior and later firmware may differ.9Maker product pagesupport.google.com/chromecast/answer/10092687Read 7 October 2026Exact maker guide covers Chromecast with Google TV 4K setup using TalkBack. Text scaling independently supported by display-help source. No general Android accessibility feature inherited.

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Gaming

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Game servicesiPublished native or cloud gaming services. Service availability is time-sensitive. Record software and region requirements in source notes.

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Game controller supportiExplicitly supported controllers or connection methods. Bluetooth alone does not establish game controller support.

USB wired game controllers through a powered USB-C hub17Reviewpcworld.com/article/578898/chromecast-with-google-tv-review.htmlRead 7 October 2026Original September 2020 exact 4K review states powered USB-C hub allows wired game controllers. Controller model is unspecified. No broad Bluetooth compatibility stored because FlatpanelsHD failed to pair several Xbox and PlayStation controllers on its 2021 firmware. Both routes are distinct.

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Power

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Power supply

USB4Owner's manualsupport.google.com/product-documentation/answer/4541589Read 7 October 2026Exact original 4K safety guide requires external AC adapter and included cable. USB-C device power connector established by exact device spec.

USB2Owner's manualimage.roku.com/c3VwcG9ydC1B/Roku-Express-4K-Plus-QSG-US-Fall2022-pdf.pdfRead 11 October 2026Step 2 powers the player through the included USB power cable and power adaptor, or from a TV USB port. Power input is micro USB.

Rated power inputiDevice input rating, as published. An external adapter output rating is separate.

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5 V, 1 A1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Power input row: 5V - 1A.

Included adapter outputiRated output of the included power adapter. This is not device power consumption.

7.5W4Owner's manualsupport.google.com/product-documentation/answer/4541589Read 7 October 2026Exact original 4K regulatory appendix for models G1002/G1003 states 5.0 V output, 1.5 A output current and output power 7.5 W. This is power-adapter output, not device consumption. The device technical sheet specifies included 5 V/1.5 A supply.

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Max power consumption (claimed)iMaker-published maximum device power consumption. Adapter rating is not proof.

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Standby power (claimed)iMaker-published device standby consumption under the source conditions.

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Measured

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Video playback power (measured)iReviewer-measured device consumption. Video format, app, resolution, power measurement point and equipment belong in source notes.

3.2W16Measurementflatpanelshd.com/review.phpRead 7 October 2026Original April 2021 exact 4K review Measurements Energy consumption table gives 4K HDR streaming 2.5 to 3.2 W. Stored value is the upper observed endpoint of that range, not a device rating or every-content average. Firmware Android 10, December 2020 security patch. App, HDR format, meter model and exact measurement point are unstated. Review general test methodology linked at https://www.flatpanelshd.com/focus.php?subaction=showfull&id=1229335089.

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Idle power (measured)iReviewer-measured device consumption when idle. Firmware, measurement point and conditions belong in source notes.

2W16Measurementflatpanelshd.com/review.phpRead 7 October 2026Same original exact review measures menus 1.5 to 2 W. Stored value is upper observed menu-idle endpoint. Android 10, December 2020 security patch. Network traffic, meter model and exact measurement point unstated. Not sleep/standby.

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Standby power (measured)iReviewer-measured device consumption in standby. Network state, firmware and measurement point belong in source notes.

0.9W16Measurementflatpanelshd.com/review.phpRead 7 October 2026Same original exact review Measurements table gives standby average 0.9 W. Android 10, December 2020 security patch. Network state, meter model and exact measurement point unstated. No device off or adapter unloaded equivalence inferred.

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Boot time (measured)iReviewer-measured time from power-on to usable home screen. Cold boot and standby wake are different. Record timing method and firmware.

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Dimensions and weight

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DimensionsiDevice body without remote, cables or adapter. Width is left-to-right in normal use, height is bottom-to-top and depth is front-to-back. For a stick, include the fixed plug only when the source does. A stick's length from the plug to its end is depth and its thickness is height. A puck that lies flat has its thickness as height.

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Width86.3Height20.8Depth39.3mm(3.4 × 0.8 × 1.5 in)1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Size row: height 0.8 in (20.8 mm), width 3.4 in (86.3 mm), depth 1.5 in (39.3 mm). Player only.

WeightiDevice only, without remote, cable or power adapter. Included fixed cable or plug conditions belong in source notes.

55g(1.9 oz)3Maker spec sheet (PDF)linqcdn.avbportal.com/documents/030e0ff4-253f-4479-a0ee-4aa70f825bca.pdfRead 7 October 2026Original exact 4K technical sheet Device Weight 1.9 oz (55 g), device only. Preferred literal metric datasheet figure over current help page 56.7 g (2 oz). FlatpanelsHD original 4K specification also says 55 g. Fixed HDMI lead scope is not separated.

44.6g(1.6 oz)1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Weight row: 1.6 ounces (44.6 g). Player only, without remote, cable or adapter.

Remote dimensionsiSupplied remote body. Height is its length along the buttons, width is across the buttons and depth is front-to-back.

Width38Height122Depth18mm(1.5 × 4.8 × 0.7 in)2Maker product pagesupport.google.com/chromecast/answer/3046409Read 7 October 2026Original Chromecast Voice Remote dimensions 122 x 38 x 18 mm. Original technical sheet labels length 122, width 38 and thickness 18. Height follows schema remote length along buttons.

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Remote weightiSupplied remote weight. State whether replaceable batteries are included.

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Certifications

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FCC ID

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Other certifications

RoHS4Owner's manualsupport.google.com/product-documentation/answer/4541589Read 7 October 2026Exact original 4K regulatory section explicitly states compliance with Directive 2011/65/EU and its amendments. This names European compliance, not an ENERGY STAR or Bluetooth-SIG certification inferred from radio version.

ENERGY STAR1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Page text states this Roku player is ENERGY STAR certified. No certificate number or listing was checked.

In the box

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In the box

Chromecast with Google TV (4K), Chromecast Voice Remote, Power cable, Power adapter, 2 AAA batteries3Maker spec sheet (PDF)linqcdn.avbportal.com/documents/030e0ff4-253f-4479-a0ee-4aa70f825bca.pdfRead 7 October 2026Original exact device What is in the box table lists dongle, remote, cable and adapter. Original remote table adds two AAA batteries included. No optional Ethernet adapter included.

Roku Express 4K+ streaming player, Voice remote with TV power, volume, and mute buttons, 2 pre-installed AAA batteries, USB power cable, Power adaptor, Premium High Speed HDMI cable, Removable adhesive strip for mounting (optional)1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026What's in the box list.

HDMI cable includediA separate HDMI cable supplied in the box. A fixed HDMI plug or captive lead does not count. A short HDMI extender supplied with a stick counts, and the source note says it is an extender.

No3Maker spec sheet (PDF)linqcdn.avbportal.com/documents/030e0ff4-253f-4479-a0ee-4aa70f825bca.pdfRead 7 October 2026Complete original maker box table has power cable only. Fixed HDMI lead/plug is integral to dongle and does not count as a separate HDMI cable. FlatpanelsHD box shorthand HDMI cable does not identify a separate cable.

Yes2Owner's manualimage.roku.com/c3VwcG9ydC1B/Roku-Express-4K-Plus-QSG-US-Fall2022-pdf.pdfRead 11 October 2026What's included page shows a separate Premium High Speed HDMI cable. Step 1 connects the player to the TV with the included cable.

Links

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Product page

support.google.com/chromecast/answer/30464092Maker product pagesupport.google.com/chromecast/answer/3046409Read 7 October 2026Exact original 4K technical section read independently of the HD and Streamer sections.

web.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plus1Maker product pageweb.archive.org/web/20221010180237/https://www.roku.com/products/roku-express-4k-plusRead 11 October 2026Internet Archive capture of the maker's product page, because the live URL no longer shows this player.

Spec sheet

linqcdn.avbportal.com/documents/030e0ff4-253f-4479-a0ee-4aa70f825bca.pdf3Maker spec sheet (PDF)linqcdn.avbportal.com/documents/030e0ff4-253f-4479-a0ee-4aa70f825bca.pdfRead 7 October 2026Original Google Chromecast with Google TV Tech Specs, May 2020, publicly hosted by distributor. Full device, original Voice Remote, Ethernet adapter and power-adapter tables read.

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Manual

support.google.com/chromecast/answer/101099905Owner's manualsupport.google.com/chromecast/answer/10109990Read 7 October 2026Current maker setup manual explicitly covers Chromecast with Google TV (4K), including power, remote pairing and TV volume/power/input setup.

image.roku.com/c3VwcG9ydC1B/Roku-Express-4K-Plus-QSG-US-Fall2022-pdf.pdf2Owner's manualimage.roku.com/c3VwcG9ydC1B/Roku-Express-4K-Plus-QSG-US-Fall2022-pdf.pdfRead 11 October 2026US quick start guide for model 3941, linked from the maker's setup article.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

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Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

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1year14Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/5b/5b125123-9613-4138-9e94-2095d9c4cb30.pdfRead 11 October 2026Roku Limited Warranty page 1: one year for Roku streaming players and included remotes bought by an end user in the United States.

Both are also in the API. Back to all streaming devices.