Streaming devices / Compare

Amazon Fire TV Stick 4K (3rd Gen, 2026) vs Roku Streaming Stick (2025)

A

Product A: Amazon

Fire TV Stick 4K (3rd Gen, 2026)

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B

Product B: Roku

Streaming Stick (2025)

47 of 97 known

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Only differences

AAmazon Fire TV Stick 4K (3rd Gen, 2026)

BRoku Streaming Stick (2025)

General

5 of 8 differ

Series

Fire TV Stick2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026U.S. ASIN B0G4XRP464 retail page, Product specifications.

Streaming Stick1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 20262025 HD family, separate from Streaming Stick Plus 3830, Streaming Stick 4K 3820/3821 and earlier similarly named sticks.

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

Not available

3840R2Maker spec sheet (PDF)pdf.lowes.com/productdocuments/8226d286-f1b5-4ffa-90e5-367dd4963db4/71706407.pdfRead 8 October 2026Original US Roku Retail Item Setup Sheet dated April 23, 2025 explicitly SKU 3840R. Current maker page retains 3840R. Developer 3840X is a model-family/API identifier, not substituted for the sold retail SKU. Other retailer and region suffixes excluded.

GTIN / EAN

Not available

8296100084172Maker spec sheet (PDF)pdf.lowes.com/productdocuments/8226d286-f1b5-4ffa-90e5-367dd4963db4/71706407.pdfRead 8 October 2026Exact original 3840R UPC. UCC10829610008414 is the master-carton code and excluded from consumer product identifiers.

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

30 September 20264Press releasepress.aboutamazon.com/jp/2026/9/amazon-announces-the-new-fire-tv-stick-4k-and-redesigned-fire-tv-remote-and-fire-tv-remote-plusRead 8 October 2026Dated September 30, 2026 maker release. New slim 4K model is distinct from 2025 Select and the 2025 Plus rename.

23 April 20253Maker product pageroku.com/blog/es-co/players-25Read 8 October 2026Original maker announcement, with pre-orders beginning that day. US sale begins May 6. Announcement and retail availability are separate.

Status

Available2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026Current maker listing identifies newest model and offers purchase. September 30 launch report confirms U.S. shipping began.5Press articleandroidcentral.com/streaming-tv/amazon-fire-tv/amazon-new-fire-tv-stick-4k-2026-launchedRead 8 October 2026Exact new 2026 marketed model reported shipping in the U.S. on September 30, 2026. Current exact ASIN B0G4XRP464 maker listing independently supports current availability.

Available1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 2026Current exact US HD 3840R product page offers Add to cart. No worldwide stock claim.

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

Amazon Fire TV Stick 4K Select (1st Gen, 2025)6Reviewnotebookcheck.net/Amazon-s-new-Fire-TV-Stick-4K-costs-59-99-but-the-superior-Fire-TV-4K-Max-is-on-sale-for-44-99.1412366.0.htmlRead 23 October 2026Notebookcheck says the new Fire TV Stick 4K replaces the Fire TV Stick 4K Select that was released in September 2025.

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.

Not available

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.

Not available

$29.992Maker spec sheet (PDF)pdf.lowes.com/productdocuments/8226d286-f1b5-4ffa-90e5-367dd4963db4/71706407.pdfRead 8 October 2026Original April 23, 2025 US MSRP, also stated by maker announcement. Current 39.99 list price and 19.99 promotion are not launch prices.

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, JP2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026U.S. ASIN B0G4XRP464 retail page for the US. The Japanese maker release also begins sales in Japan on September 30, 2026.4Press releasepress.aboutamazon.com/jp/2026/9/amazon-announces-the-new-fire-tv-stick-4k-and-redesigned-fire-tv-remote-and-fire-tv-remote-plusRead 8 October 2026Japanese maker release explicitly begins sales and shipment in Japan on September 30, 2026.

US2Maker spec sheet (PDF)pdf.lowes.com/productdocuments/8226d286-f1b5-4ffa-90e5-367dd4963db4/71706407.pdfRead 8 October 2026

ColoursiThe maker's own colour names

Not available

Black1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 2026Exact supplied body is black with a purple printed Roku logo, distinct from the Plus embossed dark logo. Supplied remote shortcut buttons can vary.

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.

Stick1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Selected 3rd Gen (2026) card lists a stick.

Stick1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 2026

Video output

7 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 pageamazon.com/dp/B0G4XRP464Read 8 October 2026Output resolution supported explicitly 2160p, 1080p and 720p up to 60 fps. 4K UHD TV compatibility requires an appropriate HDMI input and HDCP 2.2. Decoder limits are separate.

1920 × 1080px1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 2026Exact HD 3840R output up to 1080p. Developer Lakeport 3840X separately reports 720p maximum UI and 1080p playback, so UI resolution is not stored as the video-output maximum. Exact developer HDR Support is No. No HDR format list is inferred from generic shop Dolby Vision/HDR disclaimers.

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 pageamazon.com/dp/B0G4XRP464Read 8 October 2026Explicit output resolution supported up to 60 fps. Compatible TV, HDMI input and content required. This is not inferred from HEVC or AV1 decoding.

Not available

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.

AAmazon Fire TV Stick 4K (3rd Gen, 2026)

Width (px)	Height (px)	Refresh rate (Hz)
3840	2160	60
1920	1080	60
1280	720	60

Source2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026Product specifications Display row explicitly output 2160p, 1080p and 720p up to 60 fps. HDR format, colour depth and chroma per output mode are not specified and remain unknown. TV compatibility also mentions 2160p 24/25/30/50/60 and lower-resolution 50/60, but a TV capability requirement alone is not imported as additional output combinations.

BRoku Streaming Stick (2025)

Not available

HDR formats

HDR10, HDR10+, HLG1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Selected 3rd Gen (2026) card lists HDR10, HDR10+ and HLG.

Not available

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.

2.11Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Selected 3rd Gen (2026) card lists HDMI 2.1.

Not available

HDCP version

Not available

Not available

HDMI-CEC

Not available

Yes6Reviewpcworld.com/article/2858076/roku-streaming-stick-2025-review.htmlRead 8 October 2026Exact 2025 HD review explicitly HDMI-CEC input switching. TV must support and enable CEC. This does not make the stick an IR receiver or establish every optional HDMI feature.

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

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.

Not available

Not available

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

Not available

720p to 1080p1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 2026Exact maker TV-compatibility row explicitly up-scaling from 720p. No AI mode, frame-rate maximum, chroma or bit-depth claim inferred.

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.

AV1, H.265 / HEVC, H.264 / AVC, H.263, VP8, VP9, MPEG-2, MPEG-41Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Selected 3rd Gen (2026) card lists AV1, HEVC, AVC, H.263, VP8, VP9, MPEG-2 and MPEG-4.

H.2647Maker product pagedeveloper.roku.com/dev/docs/mediaRead 8 October 2026Published Roku AVC streaming support, with HEVC explicitly restricted to 4K-capable devices. Exact hardware table identifies this Lakeport family as 1080p HD. Device-specific profile/level/frame-rate limits, HEVC, AV1 and other-chip capabilities remain unproved and omitted.

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

AAmazon Fire TV Stick 4K (3rd Gen, 2026)

Codec	Profile	Level	Width (px)	Height (px)	Max frame rate (fps)	Bit depth (bits)
AV1	Not available	Not available	3840	2160	60	10
H.265 / HEVC	Main 10	5.1	3840	2160	60	10
H.264 / AVC	High	Not available	3840	2160	30	Not available
H.264 / AVC	High	Not available	1920	1080	60	Not available
H.264 / AVC	High	Not available	1280	720	60	Not available
H.263	0	Not available	Not available	1080	30	Not available
VP8	Baseline	Not available	Not available	1080	30	Not available
VP9	2	Not available	Not available	2160	60	Not available
MPEG-2	Not available	Not available	Not available	1080	60	Not available
MPEG-4	Simple and Advanced Simple	Not available	Not available	1080	30	Not available

Source1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Explicit decoder input limits, separate from HDMI output modes. AV1 up to 4Kp60 at 25 Mbps, HEVC up to 35 Mbps, AVC up to 20 Mbps. The maker lists AVC High up to Level 4 together with 4K30 and 1080p60, H.263 Profile 0 Level 70 together with 1080p30, and MPEG-4 Simple/Advanced Simple Level 5 together with 1080p30. Those levels do not fit the stated frame sizes or rates and are omitted as unresolved maker-table conflicts. Published resolution and frame-rate claims are retained with this qualification. No replacement level is guessed. H.263 up to 6 Mbps, VP9 up to 30 Mbps. VP8 and MPEG-4 non-secure. Width is omitted where only a vertical format is published. AV1 and HEVC support both 8-bit and 10-bit input.

BRoku Streaming Stick (2025)

Not available

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

Not available

Not available

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

PlayReady, Widevine, FairPlay1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Exact card names PlayReady, WideVine and Fairplay. Versions and security levels are not published here. Generic introductory L1 and SL3000 examples do not establish this device security level.

Not available

Audio

4 of 8 differ

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

Dolby Digital / AC-3, Dolby Digital Plus / E-AC-3, Dolby Atmos, DTS, DTS-HD, MPEG-H, AAC-LC, HE-AAC, HE-AACv2, AAC-ELD, xHE-AAC, FLAC, MP3, Vorbis, PCM / WAVE, Opus1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Exact card Audio codecs input-formats row. Dolby/DTS/MPEG-H entries explicitly use HDMI pass-through. Remaining AAC, FLAC, MP3, Vorbis, PCM/WAVE and Opus entries are decoder input support. Published input sample rates, bit depths and channel counts do not establish output maxima.

Digital stereo over HDMI, AAC-LC, HE-AACv2, DTS Digital Surround, Dolby Digital (AC-3), Dolby Digital Plus (E-AC-3)1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 20267Maker product pagedeveloper.roku.com/dev/docs/mediaRead 8 October 2026Roku developer specification explicitly AAC decode on all devices, and AC3/EAC3 passthrough to a receiving device. Exact 3840R maker page independently states digital stereo, DTS Digital Surround passthrough and Dolby-encoded passthrough. Compressed formats require a compatible receiver and app/stream. This does not imply built-in Dolby multichannel decode, TrueHD, DTS-HD or Atmos preservation. Dolby Atmos scalar remains unconfirmed: TechRadar calls the HD model Atmos-capable but does not publish a tested format/app, and its introduction also misnames Plus.

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

Dolby Digital / AC-3, Dolby Digital Plus / E-AC-3, Dolby Atmos, DTS, DTS-HD, MPEG-H1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Exact card explicitly HDMI pass-through Dolby Digital, Dolby Digital+, Dolby Atmos, DTS, DTS-HD and MPEG-H. DTS-HD profile and Atmos carrier are unspecified here. Retail page separately proves E-AC-3 JOC. No Dolby TrueHD claim inherited.

DTS Digital Surround, Dolby Digital (AC-3), Dolby Digital Plus (E-AC-3)1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 20267Maker product pagedeveloper.roku.com/dev/docs/mediaRead 8 October 2026Developer explicitly passthrough for DTS and AC3/EAC3, consistent with exact maker 3840R HDMI audio row. No Dolby TrueHD, DTS-HD/DTS:X or lossless passthrough asserted. Receiving TV/AVR and app/stream must support the format.

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

Yes1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Explicit HDMI pass-through Atmos support. Exact U.S. retail Audio support identifies E-AC3_JOC. Compatible content, application and external audio decoder are required.

Not available

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 pageroku.com/products/players/roku-streaming-stickRead 8 October 2026Exact digital stereo HDMI output. Compressed Dolby/DTS surround passthrough remains separately described, with no inferred decoded channel maximum.

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

Yes1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Selected 3rd Gen (2026) card lists Bluetooth audio.

Yes1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 20268Maker product pagesupport.roku.com/en-us/article/how-to-use-bluetooth-headphone-modeRead 8 October 2026Current exact official compatibility list explicitly Roku Streaming Stick 3840, with direct Bluetooth headphone output. Current 3840R maker page gives Wireless Headphones menu steps. Support updated August 5, 2026. Minimum Roku OS version and feature rollout date are unstated. Headphone Bluetooth 4.2-or-later requirement is a headphone requirement, not this device Bluetooth version. Mobile-app headphone listening and the older 4K stick are separate. No fabricated explanation for earlier omission.

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

MediaTek MT8698E1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Exact selected 2026 card: MediaTek MT8698E. AFTCR001 is its software build-model string. It is an alias, not a proved regulatory hardware model number.

Not available

CPU

ARM Cortex-A551Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Selected 3rd Gen (2026) card lists ARM Cortex-A55.

ARM Cortex-A559Maker product pagedeveloper.roku.com/dev/docs/hardwareRead 8 October 2026Current exact Lakeport 3840X model-family row. No SoC name, CPU core count or clock imported from 3830/3820 or generic Cortex-A55 limits.

CPU cores

41Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Selected 3rd Gen (2026) card lists four cores.

Not available

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

1.7GHz1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Selected 3rd Gen (2026) card lists up to 1.7 GHz.

Not available

GPU

ARM G310 V21Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Device-specific ARM G310 V2, up to 500 MHz. Schema has no GPU clock field.

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.

1GB1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Selected 3rd Gen (2026) card lists 1 GB.

512MB9Maker product pagedeveloper.roku.com/dev/docs/hardwareRead 8 October 2026Exact developer Lakeport 3840X row publishes 512 MB. Stored 0.512 GB uses SI-labelled MB-to-GB normalization. No binary physical byte capacity or RAM type inferred from the published label. Plus 3830 has 1 GB and is not substituted.

RAM type

LPDDR41Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Exact installed memory 1 GB x32 LPDDR4-3733. RAM rate and bus width do not have fields.

Not available

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

8GB1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Selected 3rd Gen (2026) card lists 8 GB.

Not available

Storage type

Not available

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

3 of 7 differ

Wi-Fi

Wi-Fi 61Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Selected 3rd Gen (2026) card lists Wi-Fi 6.

Wi-Fi 42Maker spec sheet (PDF)pdf.lowes.com/productdocuments/8226d286-f1b5-4ffa-90e5-367dd4963db4/71706407.pdfRead 8 October 2026Original exact 3840R 802.11b/g/n dual-band specification, corroborated by PCWorld own review. No 802.11ac, long-range external Wi-Fi cable or Plus hardware imported.

Wi-Fi bands

2.4 GHz, 5 GHz1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Selected 3rd Gen (2026) card lists 2.4 GHz and 5 GHz.

2.4 GHz, 5 GHz2Maker spec sheet (PDF)pdf.lowes.com/productdocuments/8226d286-f1b5-4ffa-90e5-367dd4963db4/71706407.pdfRead 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 pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Exact selected card says Supported via ethernet adapter. Adapter model, connection and transfer bandwidth are not specified. Retail USB-C power-only wording is retained in port notes. This does not establish USB media storage.

Yes10Maker product pagesupport.roku.com/en-us/article/connect-to-a-wired-network-with-usbRead 8 October 2026Current US support explicitly lists 3840X, with USB-C third-party Ethernet adapters restricted to 10/100 Mbps and AX8877X or SMSC95XX chipset. Gigabit adapters are expressly unsupported by this guide. It names no tested stick-specific adapter model. PCWorld tested two unspecified USB-C Ethernet hubs unsuccessfully, so this is maker-qualified compatibility, not universal hub support or a reviewer-success claim. Required power arrangement must suit the adapter/stick.

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

5.31Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Selected 3rd Gen (2026) card lists Bluetooth 5.3.

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.

AAmazon Fire TV Stick 4K (3rd Gen, 2026)

Connector	Count	Version	Role
HDMI	1	2.1	Fixed HDMI video and audio output plug
USB-C	1	2.0	Power input. External Ethernet adapter support is stated separately by the developer specification

Source2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026Retail specifies HDMI output and USB-C for power only. Selected developer card names HDMI 2.1 and USB-C 2.0 and separately supports external Ethernet. USB data transfer speed and USB mass storage are not established.

BRoku Streaming Stick (2025)

Connector	Count	Role
HDMI	1	Fixed HDMI video and audio output plug
USB-C	1	5 V power input and compatible optional USB Ethernet-adapter connection

Source1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 20262Maker spec sheet (PDF)pdf.lowes.com/productdocuments/8226d286-f1b5-4ffa-90e5-367dd4963db4/71706407.pdfRead 8 October 202610Maker product pagesupport.roku.com/en-us/article/connect-to-a-wired-network-with-usbRead 8 October 2026Only two device connectors in original sheet/manual. Current exact 3840X Ethernet support adds qualified adapter use to the USB-C power role. No USB audio, local-media playback, app storage or USB data-rate maximum implied. Remote connectors and optional adapters excluded.

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

Not available

Roku Smart Home, Apple HomeKit, Google Home, Amazon Alexa1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 2026Exact current 3840R maker compatibility. This is integration with named platforms, not a Thread border router or Matter controller claim. Google Assistant and Alexa require external enabled devices. HomeKit accessory/control integration is not an ability to commission other HomeKit devices.

Remote control

5 of 9 differ

Remote model

Fire TV Remote (2026 release)2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026U.S. ASIN B0G4XRP464 retail page and the setup manual name the 2026 Fire TV Remote.

Roku Voice Remote1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 2026Original supplied press-to-talk remote with two AAA cells, not Voice Remote Pro. Separate replacement RCA1R catalog dimensions/78 g mass are not assumed to identify the supplied unit's exact commercial or regulatory code.2Maker spec sheet (PDF)pdf.lowes.com/productdocuments/8226d286-f1b5-4ffa-90e5-367dd4963db4/71706407.pdfRead 8 October 2026

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.

Infrared2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026IR device control table explicitly infrared control of compatible TVs, soundbars and AV receivers. This entry describes that IR route only. Radio protocol used to control the Fire TV Stick is not published.

Not available

Remote microphone

Yes1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Selected 3rd Gen (2026) card lists a remote microphone.

Yes1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 2026Exact supplied remote voice button and microphone for press-and-hold Roku Voice. No always-listening factory-remote claim.

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

Alexa, Alexa+2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026Alexa and Alexa+ through the remote microphone button. Alexa+ requires a U.S. Amazon account and U.S. English. Focused Alexa+ is included, full cross-device access requires Prime membership or Alexa+ Standard subscription.

Roku Voice1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 2026Exact supplied remote supports push-to-talk Roku Voice. Linked Alexa/Google/Siri routes are not assistants implemented inside this remote. Voice availability and app command support vary by market/language.

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

Power, Volume2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026Compatible IR-enabled TVs, soundbars and A/V receivers, explicitly power and volume. Some device functions can be unavailable.

Power, Volume, Mute1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 2026Exact original supplied controls work with most compatible TVs. PCWorld notes infrared TV control does not directly control soundbars/AVRs. HDMI-CEC can control compatible systems. No dedicated TV-input button inferred.

Remote finder

Not available

Not available

Remote backlight

Not available

Not available

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

2 AAA batteries2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026U.S. ASIN B0G4XRP464 retail page lists 2 AAA batteries for the remote.

Two pre-installed AAA alkaline batteries, 1.5 V each2Maker spec sheet (PDF)pdf.lowes.com/productdocuments/8226d286-f1b5-4ffa-90e5-367dd4963db4/71706407.pdfRead 8 October 2026Original exact retail sheet identifies AAA alkaline 1.5 V cells, and current maker box explicitly two pre-installed AAA batteries. No rechargeable battery or charging connector.

Remote charging port

Not available

Not available

Software

7 of 8 differ

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

Vega OS1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Selected 3rd Gen (2026) card lists Vega OS.

Roku OS11Maker product pagesupport.roku.com/en-us/article/learn-about-streaming-stick-4k4kplusRead 8 October 2026Exact family support page names Roku OS and automatic software updates. Original launch OS version and current minimum for direct Bluetooth Headphone Mode remain not found.

Operating system at launch

Vega OS 2.01Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Exact selected 2026 card states Vega OS version OS 2.0, stored as Vega OS 2.0. Launch report independently says the new model ships with Vega OS. No Fire OS version inherited.

Not available

App store

Not available

Roku Streaming Store12Maker product pagesupport.roku.com/article/general-setup-instructions-for-any-modelRead 8 October 2026Maker setup article names the Roku Channel Store for streaming channels, games and other apps. The current footer labels the same storefront Streaming Store, the name stored here. No Android/Google Play store implied.

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

Miracast1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Exact selected card Miracast Supported. Source links Fire tablet display mirroring. Device and software compatibility requirements apply.

Apple AirPlay1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 2026Exact current 3840R maker explicitly Apple AirPlay. Separate Roku support article explains Apple screen mirroring/streaming, but its older model-version table omits 3840, so no unsupported minimum firmware or AirPlay protocol-version number is assigned. App-specific YouTube/Netflix casting is not Google Cast. Miracast transport remains unproved in the exact read 3840 sources.

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

Alexa, Alexa+2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026Alexa and Alexa+ support. Alexa+ U.S. account, U.S. English and membership/subscription qualifications apply. Remote press-to-talk and linked Echo hands-free routes are separate.

Roku Voice, Amazon Alexa, Google Assistant, Siri1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 2026Roku Voice through supplied press-to-talk remote/app. Alexa/Google Assistant through required external enabled devices. Siri through Apple HomeKit/AirPlay integration, not a built-in assistant. Current support restricts Siri remote commands to an AirPlay session. Roku player power control requires TV CEC. Roku-TV-only volume/input commands are not generalized to this stick.14Maker product pagesupport.roku.com/article/screen-mirror-your-apple-device-with-airplayRead 8 October 2026Current support describes external Siri via HomeKit and within AirPlay sessions. 3840 applicability comes from its exact current maker compatibility page. The old model OS-version table is not used to invent a 3840 minimum.

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.

Yes1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Exact card only through a linked Echo device. An external compatible Echo, account linking and supported Alexa commands are required. Supplied remote microphone is press-to-talk.

Yes13Maker product pagesupport.roku.com/en-us/article/control-your-streaming-devices-with-alexaRead 8 October 2026Via a linked external Alexa-enabled device, such as Echo, using Roku skill and accounts. Current-generation players supported in US, with generic Roku OS 9.1 or later requirement. Can search, pause/rewind and launch supported apps. Netflix and some app commands excluded. This is not hands-free activation on the bundled press-to-talk remote or proof of built-in microphones.

Mobile remote platforms

Android, iOS, Other2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026Voice support row Fire TV app explicitly available for Fire OS, Android and iOS. Fire OS maps to other, not a new enum.

Android, iOS11Maker product pagesupport.roku.com/en-us/article/learn-about-streaming-stick-4k4kplusRead 8 October 2026Exact family support describes free Roku mobile app for iOS and Android, with remote/voice/headphone features. Headphone playback through mobile phone is separate from current direct Bluetooth output.

Accessibility features

VoiceView screen reader, Screen magnifier, Text Banner, Closed captions, Audio Description2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026Exact model accessibility category names VoiceView, magnifier, Text Banner, closed captions and Audio Description. Caption and description tracks are not available for every content item.

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.

Amazon Luna, Xbox Game Pass2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026Exact page-ASIN comparison row Gaming and exact current product gaming description support Amazon Luna and Xbox Game Pass. U.S. availability, compatible controllers, network and separate subscriptions apply. NVIDIA GeForce NOW is explicitly coming soon and is omitted.

Not available

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

Compatible Bluetooth game controllers1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Exact selected Bluetooth row explicitly compatible Bluetooth video game controllers. No particular controller or USB game-controller route is implied.

Not available

Power

1 of 5 differ

Power supply

USB2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026U.S. ASIN B0G4XRP464 retail page lists USB-C for power only and a USB-C power cable in the box.

USB2Maker spec sheet (PDF)pdf.lowes.com/productdocuments/8226d286-f1b5-4ffa-90e5-367dd4963db4/71706407.pdfRead 8 October 20264Owner's manualimage.roku.com/c3VwcG9ydC1B/Roku-Streaming-Stick---2025.pdfRead 8 October 2026Actual 2025 HD QSG shows supplied USB-C-to-A cable to TV USB or separate optional wall power. Wall adapter explicitly not included. Use sufficient power from TV/adapter. TV power state can force cold boot.

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

Not available

5 V DC, 1 A1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 2026Device input rating, not a measured draw or supplied adapter wattage. Maker separately claims approximately 2.2 W typical streaming. That typical claim is not stored as maximum or a measured-power result because the current schema has no typical-power scalar. No mains adapter supplied.

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

4 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.

Not available

Width21Height11.5Depth94mm(0.8 × 0.5 × 3.7 in)2Maker spec sheet (PDF)pdf.lowes.com/productdocuments/8226d286-f1b5-4ffa-90e5-367dd4963db4/71706407.pdfRead 8 October 2026Original precise labeled out-of-box player dimensions: Width 21, Height 11.5, Depth 94 mm. Current maker gives rounded 3.7 x 0.80 x 0.45 in tuple. No unexplained hardware-revision cause asserted. Device only. Fixed HDMI-plug inclusion is not separately qualified by maker. Remote, cable, retail box and carton excluded.

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

39.4g(1.4 oz)2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026Maker device-only metric weight 39.4 g. Remote and cable excluded. Fixed HDMI plug is part of the stick. Adjacent maker Size row literally publishes 3.6 x 0.8 x 0.5 inches (91.5 x 21.1 x 14.5 mm). Axes and fixed-plug measurement scope are not labeled. The inch and metric thickness values also disagree. No mapped dimensions are stored.

26g(0.9 oz)1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 2026Current exact 3840R device-only maker weight 26.0 g. Original April 23 retail sheet claims 23 g for the same device. Current same-scope maker claim retained, with discrepancy explicit and no fabricated revision/accessory explanation. Not a review measurement.

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

Not available

Width42Height140Depth20mm(1.7 × 5.5 × 0.8 in)2Maker spec sheet (PDF)pdf.lowes.com/productdocuments/8226d286-f1b5-4ffa-90e5-367dd4963db4/71706407.pdfRead 8 October 2026Exact original supplied remote Width 42 mm, Length 140 mm, Height 20 mm. Mapped to field convention: height is length along buttons, depth is thickness. Separate replacement remote catalog not used.

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

Not available

52g(1.8 oz)2Maker spec sheet (PDF)pdf.lowes.com/productdocuments/8226d286-f1b5-4ffa-90e5-367dd4963db4/71706407.pdfRead 8 October 2026Original exact supplied remote out-of-box weight 52 g. Whether the two AAA cells are included in that mass is unstated. No battery subtraction or newer replacement-remote 78 g transfer.

Certifications

None of 1 known

FCC ID

Not available

Not available

Other certifications

Not available

Not available

In the box

1 of 2 differ

In the box

Fire TV Stick 4K, Fire TV Remote (2026 release), 1.3 ft USB-C power cable, 2 AAA batteries, Quick Start Guide2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026U.S. ASIN B0G4XRP464 retail page Product specifications list the box contents.

Roku Streaming Stick (3840R), Roku Voice Remote with TV power, volume and mute controls, Two pre-installed AAA batteries, USB-C to USB-A power cable1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 2026Exact current US package, corroborated by original sheet and visually read QSG. No wall power adapter, HDMI extender, separate HDMI cable or upgraded Voice Remote Pro. Free requested HDMI extender is separate from the box.2Maker spec sheet (PDF)pdf.lowes.com/productdocuments/8226d286-f1b5-4ffa-90e5-367dd4963db4/71706407.pdfRead 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.

No2Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026Exact box row includes no separate HDMI cable. Maker explicitly says HDMI extender is available separately. Fixed HDMI plug is not a cable.

No4Owner's manualimage.roku.com/c3VwcG9ydC1B/Roku-Streaming-Stick---2025.pdfRead 8 October 2026Fixed device HDMI plug only. QSG says free extender may be requested if needed, and optional wall adapter is not included. Neither is a supplied standalone HDMI cable.

Links

Not compared

Product page

www.amazon.com/dp/B0G4XRP4642Maker product pageamazon.com/dp/B0G4XRP464Read 8 October 2026Exact U.S. ASIN B0G4XRP464 retail page. Full Product specifications category data was read from the public rendered widget in the HTML. Comparison siblings are excluded.

www.roku.com/products/players/roku-streaming-stick1Maker product pageroku.com/products/players/roku-streaming-stickRead 8 October 2026

Spec sheet

developer.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.html1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 8 October 2026Selected Fire TV Stick 4K - 3rd Gen (2026) card only. Other cards on the same page, including 4K Plus 2025, Select 2025 and 2023 hardware, are excluded.

pdf.lowes.com/productdocuments/8226d286-f1b5-4ffa-90e5-367dd4963db4/71706407.pdf2Maker spec sheet (PDF)pdf.lowes.com/productdocuments/8226d286-f1b5-4ffa-90e5-367dd4963db4/71706407.pdfRead 8 October 2026Original complete four-page maker 3840R retail setup specification sheet publicly hosted by Lowe's. Retail/master-carton packaging and battery dimensions are not device dimensions.

Manual

digprjsurvey.amazon.com/csad/help/node/TSDDV4Bo4BBSEDdiOP3Owner's manualdigprjsurvey.amazon.com/csad/help/node/TSDDV4Bo4BBSEDdiOPRead 8 October 2026Exact Fire TV Stick 4K 3rd Generation online setup manual. It identifies the 2026 Fire TV Remote, included short USB cable and batteries. A 5 V 1 A wall adapter is a troubleshooting recommendation, not a published device input rating or included adapter.

image.roku.com/c3VwcG9ydC1B/Roku-Streaming-Stick---2025.pdf4Owner's manualimage.roku.com/c3VwcG9ydC1B/Roku-Streaming-Stick---2025.pdfRead 8 October 2026Original current maker-linked 2025 HD Quick Start Guide, three image-only pages visually read. Support link labels 3840X/3840S2 family. The Plus and 4K guides are different documents.

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.

Not available

1year5Maker product pagedocs.roku.com/published/deviceplayerwarranty/en/usRead 8 October 2026Official current US Roku Limited Warranty to Original Purchaser, read in normal Chrome after official support/playerwarranty redirect. One year for new durable player hardware purchased and delivered to an end user in US through Roku or authorized sellers. UK two-year terms not transferred.

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