Streaming devices / Compare

Roku Express 4K+ vs Xiaomi TV Box S (3rd Gen)

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Product A: Roku

Express 4K+

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B

Product B: Xiaomi

TV Box S (3rd Gen)

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Only differences

ARoku Express 4K+

BXiaomi TV Box S (3rd Gen)

General

6 of 8 differ

Series

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.

Not available

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

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.

PFJ4191EU, MDZ-32-AA3Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 2026Original two-page Xiaomi French product export. Page 2 explicitly binds SKU PFJ4191EU, ID 63598 and EAN 6941948704916 to third-generation 2 GB/32 GB hardware.4Owner's manualcdn.azams0.fds.api.mi-img.com/xiaomi-b2c-i18n-upload/User-Guide-Upload-mi.com/RS/63598-Xiaomi-TV-Box-S-3rd-Gen--EU-UserGuide-EU.pdfRead 8 October 2026English product information explicitly identifies physical MDZ-32-AA. The illustrated DC/HDMI/USB-A body matches the current third-generation product sheet and retail render.11Retailer pagenetonnet.no/art/tv/mediaspiller/google-chromecast/xiaomi-tv-box-s-3rd-gen-eu/1062187.18308Read 8 October 2026Exact MPN PFJ4191EU and EAN 6941948704916, black 2 GB/32 GB third-generation hardware. Its stray mini-jack connector line conflicts with the complete maker connector list and is not adopted.

GTIN / EAN

Not available

69419487049163Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 202611Retailer pagenetonnet.no/art/tv/mediaspiller/google-chromecast/xiaomi-tv-box-s-3rd-gen-eu/1062187.18308Read 8 October 2026

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

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+.

Not available

Status

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.

Available11Retailer pagenetonnet.no/art/tv/mediaspiller/google-chromecast/xiaomi-tv-box-s-3rd-gen-eu/1062187.18308Read 8 October 2026Current direct EU retail page explicitly says online stock and offers purchase. Lifecycle available does not promise stock in every country.

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

Not available

Xiaomi TV Box S (2nd Gen)13Reviewnotebookcheck.net/New-Xiaomi-TV-Box-S-3rd-Gen-with-more-powerful-processor-revealed.986381.0.htmlRead 23 October 2026Notebookcheck says the Xiaomi TV Box S (3rd Gen) follows the TV Box S (2nd Gen) and calls the 2nd Gen its predecessor.

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.

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.

Not available

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

$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.

Not available

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

€69.9912Press articlecincodias.elpais.com/smartlife/gadgets/2025-05-09/xiaomi-tv-box-s-3rd-gen-precio-espana.htmlRead 8 October 2026Original official Spanish consumer launch price 69.99 EUR. Country-specific price, not a current German retail offer. No US MSRP is borrowed from older Mi Box cards.

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

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.

DE, FR, ES, NO3Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 202610Spec databasepreisvergleich.heise.de/xiaomi-tv-box-s-3-generation-pfj4191eu-a3477738.htmlRead 8 October 2026Current exact PFJ4191EU comparison lists German retailers and delivery. Mislabelled 8 GB retailer summaries are excluded. Direct retailer stock evidence is separately sourced.11Retailer pagenetonnet.no/art/tv/mediaspiller/google-chromecast/xiaomi-tv-box-s-3rd-gen-eu/1062187.18308Read 8 October 202612Press articlecincodias.elpais.com/smartlife/gadgets/2025-05-09/xiaomi-tv-box-s-3rd-gen-precio-espana.htmlRead 8 October 2026

ColoursiThe maker's own colour names

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.

Black1Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-gen/specsRead 8 October 202611Retailer pagenetonnet.no/art/tv/mediaspiller/google-chromecast/xiaomi-tv-box-s-3rd-gen-eu/1062187.18308Read 8 October 2026

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.

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.

Box5Maker product pagemi.com/uk/support/faq/details/KA-567165Read 8 October 2026

Video output

5 of 11 differ

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

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.

3840 × 2160px1Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-gen/specsRead 8 October 20263Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 2026

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.

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.

60Hz3Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 2026

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.

ARoku 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.

BXiaomi TV Box S (3rd Gen)

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

Source3Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 2026Page 2 Video section explicitly distinguishes 3840 x 2160 resolution and video output up to 4K60. Only this UHD output combination is stored. Bit depth, chroma and HDR pairing are unpublished.

HDR formats

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.

HDR10, HDR10+, Dolby Vision, HLG6Reviewlesnumeriques.com/disque-dur-multimedia/xiaomi-tv-box-s-3-generation-p77251/test.htmlRead 8 October 2026Explicit Dolby Vision, HDR10+ and HLG device compatibility. HDR10 has separate exact-review evidence.9Review01net.com/actualites/test-xiaomi-tv-box-s-3d-gen.htmlRead 8 October 2026Own third-generation review explicitly lists HDR10, HDR10+, Dolby Vision and HLG. Its claim that Atmos is absent conflicts with the maker and is not adopted.

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.

2.0b10Reviewtechradar.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.

2.1a5Maker product pagemi.com/uk/support/faq/details/KA-567165Read 8 October 2026Video Output Q1 explicitly says HDMI 2.1a. Broad German sheet says 2.1. Heise 2.1b is excluded. No optional HDMI feature is inherited.

HDCP version

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.

Not available

HDMI-CEC

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.

Yes7Reviewsmartzone.de/xiaomi-tv-box-s-3-generation-mit-google-tv-im-testRead 8 October 2026Own review reports CEC operation, but the volume rocker failed through CEC in its setup. IR TV-volume setup is separately documented.9Review01net.com/actualites/test-xiaomi-tv-box-s-3d-gen.htmlRead 8 October 2026

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

Not available

Yes7Reviewsmartzone.de/xiaomi-tv-box-s-3-generation-mit-google-tv-im-testRead 8 October 2026Own review confirms AFR changes output rate to match content. App, firmware and TV dependence remains. No universal per-app guarantee.

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

Not available

Not available

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

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.

AI Super Resolution (AI-SR)5Maker product pagemi.com/uk/support/faq/details/KA-567165Read 8 October 2026

Video decoding

3 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, 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.

VP9, HEVC, H.264, MPEG-1, MPEG-2, MPEG-4, AV15Maker product pagemi.com/uk/support/faq/details/KA-567165Read 8 October 20268Reviewandroidpctv.com/xiaomi-tv-box-s-3rd-gen-reviewRead 8 October 2026

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

ARoku Express 4K+

Not available

BXiaomi TV Box S (3rd Gen)

Codec	Profile	Level	Width (px)	Height (px)	Max frame rate (fps)
VP9	Profile 2	Not available	Not available	Not available	60
HEVC	Main 10	5.1	Not available	Not available	60
H.264	Not available	5.1	Not available	Not available	30
MPEG-1	Not available	Not available	1920	1080	60
MPEG-2	Not available	Not available	1920	1080	60
MPEG-4	Not available	Not available	1920	1080	60
AV1	Not available	Not available	Not available	Not available	60

Source5Maker product pagemi.com/uk/support/faq/details/KA-567165Read 8 October 2026Decoder Q2-4 state VP9 Profile 2 at 4K x 2K60, HEVC MP-10 level 5.1 at 4K x 2K60, H.264 level 5.1 at 4K x 2K30. Exact pixel ceilings for that designation are unstated, so they are omitted. Q7 explicitly gives MPEG-1/2/4 at 1080p60. AV1 has separate actual-device test evidence.8Reviewandroidpctv.com/xiaomi-tv-box-s-3rd-gen-reviewRead 8 October 2026Own Kodi hardware-decoding test explicitly reports AV1 at 4K60. Pixel dimensions, profile and level are unpublished. Generic 4K75 prose is not an output ceiling.

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

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.

Not available

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

Widevine L1, PlayReady8Reviewandroidpctv.com/xiaomi-tv-box-s-3rd-gen-reviewRead 8 October 2026Own exact device DRM summary explicitly names Widevine L1 and PlayReady. This alone does not establish service quality.

Audio

5 of 8 differ

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

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.

Dolby Audio, Dolby Atmos, DTS:X, DTS-HD, MP3, AAC, FLAC, RM, OGG2Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-genRead 8 October 20263Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 2026Page 2 states Dolby Audio and DTS-HD compatibility. Page 1 states Dolby Atmos and DTS:X. No decoding or passthrough route is inferred from those names.5Maker product pagemi.com/uk/support/faq/details/KA-567165Read 8 October 2026Decoder Q8 lists MP3, AAC, RM, FLAC and OGG as supported audio formats. RM/OGG remain the published format names without inferred codecs or playback routes.

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

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 TrueHD, DTS-HD Master Audio6Reviewlesnumeriques.com/disque-dur-multimedia/xiaomi-tv-box-s-3-generation-p77251/test.htmlRead 8 October 2026Own review explicitly names Dolby TrueHD and DTS-HD Master Audio passthrough through Kodi or Plex. Compatible app, content and HDMI receiver path are required. Firmware and signal conditions are unpublished. The article calls these uncompressed, but only its named passthrough formats are adopted. Earlier April 2025 AndroidPCtv tests report Kodi/Plex 5.1 and an audio table with native Dolby 5.1 and PCM conversion. That differs from the later named lossless passthrough claim. No universal firmware or app behavior, channel maximum or codec-to-output inference is asserted.

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

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.

Yes2Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-genRead 8 October 2026Explicit exact-model Dolby Atmos support. Compatible app, content, HDMI audio path and equipment are required. 01net says Atmos is absent, but the primary claim and later own-device review take precedence.

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.

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.

Not available

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

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.

Yes12Press articlecincodias.elpais.com/smartlife/gadgets/2025-05-09/xiaomi-tv-box-s-3rd-gen-precio-espana.htmlRead 8 October 2026Exact third-generation report expressly names Bluetooth pairing with headphones and soundbars. Audio codecs are not inferred from Bluetooth version.

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

11 of 11 differ

System on chip

Not available

Amlogic S905X5M6Reviewlesnumeriques.com/disque-dur-multimedia/xiaomi-tv-box-s-3-generation-p77251/test.htmlRead 8 October 2026Own third-generation European device review names Amlogic S905X5M. No second-generation S905X4 is inherited.

CPU

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.

Quad-core ARM Cortex-A552Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-genRead 8 October 2026Maker specifically names quad-core A55 with up to 2.5 GHz. Not a generic chipset ceiling.3Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 2026

CPU cores

Not available

41Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-gen/specsRead 8 October 20262Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-genRead 8 October 20263Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 2026

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

Not available

2.5GHz1Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-gen/specsRead 8 October 20262Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-genRead 8 October 2026

GPU

Not available

ARM Mali-G310 V21Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-gen/specsRead 8 October 20263Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 2026

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.

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

2GB1Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-gen/specsRead 8 October 20263Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 202611Retailer pagenetonnet.no/art/tv/mediaspiller/google-chromecast/xiaomi-tv-box-s-3rd-gen-eu/1062187.18308Read 8 October 2026

RAM type

Not available

DDR48Reviewandroidpctv.com/xiaomi-tv-box-s-3rd-gen-reviewRead 8 October 2026Actual third-generation 2 GB/32 GB device prose identifies DDR4. Exact PFJ4191EU database row corroborates. Its conflicting body-size/weight summary is not used.10Spec databasepreisvergleich.heise.de/xiaomi-tv-box-s-3-generation-pfj4191eu-a3477738.htmlRead 8 October 2026Exact PFJ4191EU row lists 2 GB DDR4 and 32 GB flash. HDMI 2.1b and incorrectly labelled axes are excluded in favor of maker evidence.

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

Not available

32GB1Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-gen/specsRead 8 October 20263Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 202611Retailer pagenetonnet.no/art/tv/mediaspiller/google-chromecast/xiaomi-tv-box-s-3rd-gen-eu/1062187.18308Read 8 October 2026

Storage type

Not available

eMMC8Reviewandroidpctv.com/xiaomi-tv-box-s-3rd-gen-reviewRead 8 October 2026Actual installed 32 GB storage is identified as eMMC in prose. The summary 5.2 revision is not verified and is excluded.

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

Yes8Reviewandroidpctv.com/xiaomi-tv-box-s-3rd-gen-reviewRead 8 October 2026Own review explicitly supports USB storage. Media playback is stored. App installation on USB is unproved. Filesystem compatibility is app/firmware dependent and not generalized.

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

Not available

USB storage for media playback8Reviewandroidpctv.com/xiaomi-tv-box-s-3rd-gen-reviewRead 8 October 2026

Connectivity

3 of 7 differ

Wi-Fi

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 62Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-genRead 8 October 20263Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 20265Maker product pagemi.com/uk/support/faq/details/KA-567165Read 8 October 2026

Wi-Fi bands

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.

2.4 GHz, 5 GHz1Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-gen/specsRead 8 October 20263Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 20265Maker product pagemi.com/uk/support/faq/details/KA-567165Read 8 October 2026

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.

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.

Yes7Reviewsmartzone.de/xiaomi-tv-box-s-3-generation-mit-google-tv-im-testRead 8 October 2026Own July 2025 review reports LAN through a USB hub/adapter. Compatible adapter and firmware are required. No built-in speed or universal adapter compatibility is asserted.

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

Not available

5.21Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-gen/specsRead 8 October 20263Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 20265Maker product pagemi.com/uk/support/faq/details/KA-567165Read 8 October 2026

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.

ARoku 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.

BXiaomi TV Box S (3rd Gen)

Connector	Count	Version	Role
HDMI	1	2.1a	Video and audio output
USB-A	1	USB 2.0	Media storage and peripherals
DC power	1	Not available	Power input

Source1Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-gen/specsRead 8 October 2026One HDMI, one USB 2.0 and one DC input. Physical USB-A and barrel shapes are clear in the maker document. No Ethernet socket or 3.5 mm audio socket.4Owner's manualcdn.azams0.fds.api.mi-img.com/xiaomi-b2c-i18n-upload/User-Guide-Upload-mi.com/RS/63598-Xiaomi-TV-Box-S-3rd-Gen--EU-UserGuide-EU.pdfRead 8 October 20265Maker product pagemi.com/uk/support/faq/details/KA-567165Read 8 October 2026

Smart home

3 of 3 differ

Thread border router

Not available

No7Reviewsmartzone.de/xiaomi-tv-box-s-3-generation-mit-google-tv-im-testRead 8 October 2026Same exact review explicitly reports no Thread support. No Thread role is inferred from Google TV.

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

Not available

No7Reviewsmartzone.de/xiaomi-tv-box-s-3-generation-mit-google-tv-im-testRead 8 October 2026Exact July 2025 review explicitly says Matter and Thread support are absent. Google Home panel control does not establish accessory commissioning. This is a dated software-feature observation, not a future-update promise.

Smart home platforms

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.

Google Home6Reviewlesnumeriques.com/disque-dur-multimedia/xiaomi-tv-box-s-3-generation-p77251/test.htmlRead 8 October 20267Reviewsmartzone.de/xiaomi-tv-box-s-3-generation-mit-google-tv-im-testRead 8 October 2026

Remote control

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Remote model

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.

Not available

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.

Not available

Bluetooth, Infrared2Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-genRead 8 October 20264Owner's manualcdn.azams0.fds.api.mi-img.com/xiaomi-b2c-i18n-upload/User-Guide-Upload-mi.com/RS/63598-Xiaomi-TV-Box-S-3rd-Gen--EU-UserGuide-EU.pdfRead 8 October 2026English section explicitly names Bluetooth + IR Voice Remote. FAQ statement that the box lacks IR concerns the device interface, not the supplied remote transmitter.5Maker product pagemi.com/uk/support/faq/details/KA-567165Read 8 October 2026

Remote microphone

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.

Yes2Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-genRead 8 October 2026

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

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.

Google Assistant2Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-genRead 8 October 2026Google Assistant uses the supplied remote button and microphone. Language, country, account and network requirements apply. Built-in hands-free microphones are not inferred.

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

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.

Power, Volume6Reviewlesnumeriques.com/disque-dur-multimedia/xiaomi-tv-box-s-3-generation-p77251/test.htmlRead 8 October 2026Supplied IR transmitter can be configured for TV power and volume. Compatible television and setup are required.

Remote finder

Not available

Not available

Remote backlight

Not available

No6Reviewlesnumeriques.com/disque-dur-multimedia/xiaomi-tv-box-s-3-generation-p77251/test.htmlRead 8 October 2026Exact product details explicitly say remote illumination is absent.

Remote poweriPublished batteries or rechargeable battery arrangement for the supplied 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.

2 AAA batteries (not included)7Reviewsmartzone.de/xiaomi-tv-box-s-3-generation-mit-google-tv-im-testRead 8 October 2026Own European package requires two AAA batteries, not supplied. Remote batteries are not device power input.

Remote charging port

Not available

Not available

Software

6 of 8 differ

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

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

Google TV (Android TV OS)1Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-gen/specsRead 8 October 20263Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 2026Printed Google TV 2 with footnote is not an Android operating-system version.

Operating system at launch

Not available

Android TV OS 148Reviewandroidpctv.com/xiaomi-tv-box-s-3rd-gen-reviewRead 8 October 2026Original April 2025 review identifies Google TV on Android TV OS 14. Current firmware is separate.

App store

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.

Google Play6Reviewlesnumeriques.com/disque-dur-multimedia/xiaomi-tv-box-s-3-generation-p77251/test.htmlRead 8 October 2026Google Play apps are accessible through Google TV search, despite no dedicated store icon.

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

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.

Google Cast, AirPlay2Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-genRead 8 October 2026Google Cast requires compatible apps and a network connection. Separate AirPlay claim comes from the maker FAQ, not this page.3Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 20265Maker product pagemi.com/uk/support/faq/details/KA-567165Read 8 October 2026Software Function Q6 explicitly claims AirPlay support. Version, required app, firmware and mirroring route are unpublished. This records the maker claim without asserting native or system-wide mirroring.

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

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).

Google Assistant2Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-genRead 8 October 20265Maker product pagemi.com/uk/support/faq/details/KA-567165Read 8 October 2026

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.

Not available

Not available

Mobile remote platforms

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.

Not available

Accessibility features

Not available

Not available

Gaming

2 of 2 differ

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

Not available

GeForce NOW8Reviewandroidpctv.com/xiaomi-tv-box-s-3rd-gen-reviewRead 8 October 2026April 2025 device review reports GeForce NOW capability. Account, app, network and regional service requirements apply. No current gaming-performance guarantee.

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

Not available

USB game controllers, Bluetooth game controllers8Reviewandroidpctv.com/xiaomi-tv-box-s-3rd-gen-reviewRead 8 October 2026Same exact review explicitly supports USB and Bluetooth gamepads. Specific models are unstated.

Power

2 of 5 differ

Power supply

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.

External DC adapter4Owner's manualcdn.azams0.fds.api.mi-img.com/xiaomi-b2c-i18n-upload/User-Guide-Upload-mi.com/RS/63598-Xiaomi-TV-Box-S-3rd-Gen--EU-UserGuide-EU.pdfRead 8 October 2026Illustrated external AC/DC adapter feeds the barrel input. Adapter electrical output and device input ratings are separate and remain unknown here.

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

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.

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Measured

None of 4 known

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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.

Not available

Not available

Dimensions and weight

2 of 4 differ

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.

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.

Width97Height17Depth97mm(3.8 × 0.7 × 3.8 in)1Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-gen/specsRead 8 October 2026Maker 97 mm length, 97 mm width and 17 mm body thickness. In normal horizontal use, thickness is height. Remote, adapter and cables are excluded.3Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 2026

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

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.

91.2g(3.2 oz)1Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-gen/specsRead 8 October 2026Published body weight 91.2 g, without package. Maker notes test variation. AndroidPCtv summary 40 g and 93 x 93 x 14 mm disagree and are excluded.3Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 2026

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

Not available

Not available

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

Not available

Not available

Certifications

1 of 1 differ

FCC ID

Not available

Not available

Other certifications

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.

CE (EU declaration), CB, RoHS, Bluetooth qualification (BQB), Google certification, Netflix HDR certification, Prime Video HDR certification, YouTube HDR certification5Maker product pagemi.com/uk/support/faq/details/KA-567165Read 8 October 2026Product Information Q2 gives manufacturer certification-test claims. Exact certificate IDs and service streaming ceilings are not inferred.

In the box

1 of 2 differ

In the box

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.

Xiaomi TV Box S (3rd Gen), Bluetooth and infrared voice remote, Power adapter, HDMI cable (1 m), User manual1Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-gen/specsRead 8 October 2026Exact German package includes device, remote, manual, adapter and HDMI cable. Cable length is separately specified by maker FAQ. Batteries are not included in European review packages.5Maker product pagemi.com/uk/support/faq/details/KA-567165Read 8 October 2026

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.

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.

Yes1Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-gen/specsRead 8 October 2026

Links

Not compared

Product page

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.

www.mi.com/de/product/xiaomi-tv-box-s-3rd-gen1Maker product pagemi.com/de/product/xiaomi-tv-box-s-3rd-gen/specsRead 8 October 2026

Spec sheet

Not available

media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdf3Maker spec sheet (PDF)media.adeo.com/mkp/5167ca77cedb9afb77fb58064d427df7/media.pdfRead 8 October 2026

Manual

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.

cdn.azams0.fds.api.mi-img.com/xiaomi-b2c-i18n-upload/User-Guide-Upload-mi.com/RS/63598-Xiaomi-TV-Box-S-3rd-Gen--EU-UserGuide-EU.pdf4Owner's manualcdn.azams0.fds.api.mi-img.com/xiaomi-b2c-i18n-upload/User-Guide-Upload-mi.com/RS/63598-Xiaomi-TV-Box-S-3rd-Gen--EU-UserGuide-EU.pdfRead 8 October 2026Current original maker-CDN EU booklet, ID 63598, created October 2025. Its 38 PDF pages include a final print-layout sheet. Illustrated connections and English Important Product Information are on pages 2-3. The Spain maker user-guide viewer has 37 pages without that layout sheet. This is not a full Android settings guide. Older 39-page EU booklet is additionally preserved from https://xm.cz/data/files/Xiaomi%20TV%20Box%20S%203rd%20Gen%20CZ.pdf.

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.

Not available

Not available

Warranty

1 of 1 differ

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.

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.

Not available

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