Streaming devices / Compare

Amazon Fire TV Stick 4K (1st Gen, 2018) vs Roku Streaming Stick (2025)

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Product A: Amazon

Fire TV Stick 4K (1st Gen, 2018)

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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 (1st Gen, 2018)

BRoku Streaming Stick (2025)

General

6 of 8 differ

Series

Fire TV Stick1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026Fire TV Stick family named in the table title.

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.

3 October 20188Press articlevariety.com/2018/digital/news/fire-tv-stick-4k-alexa-voice-remote-1202966701Read 10 October 2026Article of October 3, 2018 reports the announcement of the Fire TV Stick 4K.9Press articleengadget.com/2018/10/03/amazon-fire-tv-stick-4kRead 10 October 2026Article dated October 3, 2018 announces the Fire TV Stick 4K.

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

Discontinued7Press articleaftvnews.com/amazon-device-buyers-guideRead 10 October 2026Buyer's guide (last updated October 18, 2024) lists Fire TV Stick 4K 1 released October 31, 2018 as a past model. A 2nd Gen model is the current one.

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.

Not available

Not available

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

Amazon Fire TV Stick 4K (2nd Gen, 2023)14Press releasepress.aboutamazon.com/2023/9/amazon-introduces-its-most-powerful-fire-tv-sticks-ever-and-unveils-generative-ai-updates-for-fire-tvRead 23 October 2026Amazon's 2023 release says the all-new Fire TV Stick 4K has nearly 30% more power than the previous generation.15Reviewtrustedreviews.com/versus/fire-tv-stick-4k-2nd-gen-vs-fire-tv-stick-4k-1st-gen-4371551Read 23 October 2026Trusted Reviews calls the first generation Fire TV Stick 4K the predecessor of the second generation model.

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.

$49.998Press articlevariety.com/2018/digital/news/fire-tv-stick-4k-alexa-voice-remote-1202966701Read 10 October 2026Article says the stick can be pre-ordered for $49.99 in the US and ships at the end of the month. US price with the new Alexa Voice Remote, excluding sales tax. TechRadar and Engadget agree.11Reviewtechradar.com/reviews/amazon-fire-tv-stick-4kRead 10 October 2026Price and availability section: available to buy for $49.99 in the US. Agrees with Variety and AFTVnews.

$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, GB, DE, JP, CA, IN, MX, BR, AU1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026Marketplaces available row lists the US, UK, Japan, Canada, India, Mexico, Brazil and Australia. Engadget's October 2018 launch report adds Germany for November 14, 2018.9Press articleengadget.com/2018/10/03/amazon-fire-tv-stick-4kRead 10 October 2026Article says the stick ships to the US and Canada on October 31, to Germany, India and the UK on November 14, and to Japan by the end of 2018.

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 10 October 2026Table row Form factor: Stick.

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

Video output

9 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/B079QHML21Read 10 October 2026Technical details row Output resolution supported: 2160p, 1080p and 720p up to 60 fps. The Amazon decoder table names 3840x2160 for 4K, and the page says 4K Ultra HD.

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/B079QHML21Read 10 October 2026Technical details: output up to 60 fps at 2160p, 1080p and 720p. HDR, bit depth and chroma conditions are not published.

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 (1st Gen, 2018)

Height (px)	Refresh rate (Hz)
2160	60
1080	60
720	60

Source2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026Technical details publish 2160p, 1080p and 720p up to 60 fps. Rows store the published vertical resolution and highest stated rate only. No HDR, bit depth or chroma condition is invented.

BRoku Streaming Stick (2025)

Not available

HDR formats

HDR10, HDR10+, Dolby Vision, HLG1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026HDR row lists HDR10, HDR10+, HLG and Dolby Vision.

Not available

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

4-MEL, 5 (up to Level 9), 8 (up to Level 9), 9 (up to Level 5)1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026Video codecs row: Profile 4-MEL, 5, 8 and 9. Up to Level 9 for profiles 5 and 8 and up to Level 5 for Profile 9. Streaming support does not prove local file support.

Not available

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

2.0b13Reviewandroidpctv.com/comparative-mediatek-mt8695Read 10 October 2026Test hardware paragraph: HDMI 2.0b connector with 4K at 60 fps and HDR. Amazon does not state the HDMI revision. No other source contradicts it.

Not available

HDCP version

2.21Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026DRM row lists HDCP 2.2. This is the published supported version, not a claim of a newer one.

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.

H.265 (HEVC), H.264, H.263, VP8, VP9, MPEG-2, MPEG-41Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026Video codecs row. These are published device decoder capabilities, not a promise for every local file player. There is no AV1 entry.

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 (1st Gen, 2018)

Codec	Profile	Level	Width (px)	Height (px)	Max frame rate (fps)	Bit depth (bits)
H.265 (HEVC)	Main 10	5.1	3840	2160	60	10
H.264	High 10	5.2	3840	2160	60	10
H.263	0	70	Not available	1080	30	Not available
VP8	Baseline	Not available	Not available	1080	30	Not available
VP9	2	Not available	Not available	2160	60	10
MPEG-2	Not available	Not available	Not available	1080	60	Not available
MPEG-4	Simple and Advanced Simple	5	Not available	1080	30	Not available

Source1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026Video codecs row. H.265 35 Mbps Main 10 Level 5.1 with 8 and 10 bit input. H.264 20 Mbps High 10 Level 5.2. H.263 6 Mbps Profile 0 Level 70. VP8 Baseline non-secure. VP9 Profile 2 up to 30 Mbps. MPEG-4 Simple and Advanced Simple Level 5 non-secure. Where the source gives only 1080p or 4K, no horizontal pixel count is stored.

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 3.0, Widevine L1 and L31Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026DRM row: PlayReady 3.0 and Widevine L1/L3. Secure media path applies to video only. A DRM listing does not prove 4K eligibility for a service.

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 (E-AC-3 JOC), AAC LC, HE-AAC (AAC+), HE-AACv2, FLAC, MIDI, MP3, Vorbis, PCM/Wave, AMR-NB, Opus1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026Audio codecs (input formats) row. Dolby Atmos is EC3_JOC up to 8 channels, AC3 up to 6 channels, eAC3 up to 8 channels, AAC family up to 6 channels, FLAC 2 channels, PCM/Wave up to 96 kHz and 6 channels, Opus up to 8 channels. These are decoder input formats, not 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.

Not available

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 10 October 2026Audio codecs row lists Dolby Atmos (EC3_JOC) and says it is available on select Prime Video and Disney+ titles with compatible equipment.

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.

2.0 stereo, 7.1 surround, Up to 5.1 HDMI passthrough2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026Technical details row Audio support: Dolby Atmos, 7.1 surround sound, 2-channel stereo and HDMI audio pass through up to 5.1. The source does not say whether 7.1 is PCM.

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

Yes2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026Bluetooth row says the device pairs with compatible Bluetooth speakers, headphones and game controllers. Accessibility text says Fire TV can be heard through compatible Bluetooth headphones. Codecs are not stated.

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

9 of 11 differ

System on chip

MediaTek MT86951Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026Processor (SoC) row: MTK8695+MT7668. MT7668 is the Wi-Fi and Bluetooth chip, so only MT8695 is stored. AFTVnews names the CPU model as MediaTek MT8695.

Not available

CPU

ARM Cortex-A5313Reviewandroidpctv.com/comparative-mediatek-mt8695Read 10 October 2026Specifications: the MediaTek MT8695 has four ARM Cortex-A53 cores. Amazon does not name the core type.

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 10 October 2026CPU row: Quad Core 1.7GHz.

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 10 October 2026CPU row: Quad Core 1.7GHz. Amazon's product page also says quad-core 1.7 GHz.

Not available

GPU

IMG GE83001Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026GPU row: IMG GE8300.

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.

1.5GB1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026Memory (RAM) row: 1.5GB DDR4.

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

DDR41Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026Memory (RAM) row: 1.5GB DDR4.

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 10 October 2026Storage row: 8 GB. This is marketed capacity, not free space.

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.

No4Maker product pagedigprjsurvey.amazon.com/csad/help/node/G201640900Read 10 October 2026Amazon help table Which Fire TV Device Do I Have, entry Fire TV Stick 4K (1st Generation): 8 GB storage, 1.5 GB memory and the line No external storage. AFTVnews says USB storage works only through an unofficial change.

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

4 of 7 differ

Wi-Fi

Wi-Fi 51Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026Wifi row: 802.11 a/b/g/n/ac, so Wi-Fi 5.

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 10 October 2026Wifi row: 2.4 GHz and 5.0 GHz dual band.

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.

2x2 MIMO1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026Wifi row: 2x2 MIMO.

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 10 October 2026Ethernet row: 10/100 Mbps with external dongle. The stick has no built-in Ethernet port. Amazon's help table names the Amazon Ethernet Adapter for Amazon Fire TV Devices, sold separately.

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.

5.01Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026Bluetooth row: Bluetooth 5.0.

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 (1st Gen, 2018)

Connector	Count	Role
HDMI	1	Fixed video and audio output plug
Micro USB	1	Power input

Source2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026Technical details row Ports: HDMI output, micro-USB for power only. Quick start guide page 1 shows one fixed HDMI plug and one micro USB socket. Optional adapter connectors are not counted.

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

Alexa2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026Product page says to ask Alexa to control the smart home, dim lights and view camera feeds. This does not prove a Matter controller or Thread border router.

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

4 of 9 differ

Remote model

Alexa Voice Remote (2nd Gen)2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026In the box row and remote technical details name Alexa Voice Remote (2nd Gen). The June 2021 quick start guide shows a 3rd Gen remote with app buttons, which Amazon shipped in the later re-issued bundle. The original 2018 remote is stored.

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.

Bluetooth, Infrared2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026Remote technical details: Technology Bluetooth. The product page says the remote controls IR-enabled TVs, soundbars and receivers. Variety also reports Bluetooth with infrared.

Not available

Remote microphone

Yes3Owner's manuald1ergij2b6wmg5.cloudfront.net/Amazon+Fire+TV+User+Guides/Fire+TV+Stick+Device+Documentation/Fire+TV+Stick+4K_Quick+Start+Guide_US.pdfRead 10 October 2026Page 1 labels the remote Microphone and the Alexa Voice Remote button.

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.

Alexa2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026Voice support row: Yes, with Alexa Voice Remote (included).

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, Volume, Mute2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026IR device control row: power and volume on compatible IR-enabled TVs, soundbars and receivers. Product page text names power, volume and mute buttons. Some functions are not available on some devices.9Press articleengadget.com/2018/10/03/amazon-fire-tv-stick-4kRead 10 October 2026Article says the remote adds buttons for power, volume and muting.12Reviewcnet.com/reviews/amazon-fire-tv-stick-4k-reviewRead 10 October 2026Review says the remote controls TV power, volume and mute and can be set to control a soundbar for volume and mute.

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/B079QHML21Read 10 October 2026Remote technical details: Batteries 2 AAA (included). The batteries are replaceable.

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.

Fire OS1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026OS version row: Fire OS 6.

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

Fire OS 6 (Android 7.1)1Maker product pagedeveloper.amazon.com/docs/device-specs/device-specifications-fire-tv-streaming-media-player.htmlRead 10 October 2026Rows OS version Fire OS 6 and API Level 25 (Android 7.1). Later firmware versions are not launch promises.

Not available

App store

Amazon Appstore4Maker product pagedigprjsurvey.amazon.com/csad/help/node/G201640900Read 10 October 2026Same entry, Common features: Apps and games from the Amazon Appstore.

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 10 October 2026Miracast row: supported, described as display mirroring with a Fire tablet. Engadget reported in April 2019 that Miracast arrived by update. No Google Cast or AirPlay is claimed.10Press articleengadget.com/2019-04-08-amazon-fire-stick-tv-4k-miracast.htmlRead 10 October 2026Article of April 8, 2019 says the latest update added Miracast screen mirroring to the Fire TV Stick 4K. It was not a launch feature.

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.

Alexa2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026Voice support row names Alexa through the remote or the Fire TV app.

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 10 October 2026Far-field Alexa control row: supported only through a linked Echo device. The stick and its remote do not offer hands-free activation alone.

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/B079QHML21Read 10 October 2026Voice support row names the free Fire TV app for Fire OS, Android and iOS. Fire OS is stored as other because there is no Fire OS option.

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, Closed captions2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026Accessibility features row names the VoiceView screen reader and closed captioning. Captions are not available for all content.

Not available

Gaming

1 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

Not available

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

Bluetooth game controllers4Maker product pagedigprjsurvey.amazon.com/csad/help/node/G201640900Read 10 October 2026Same entry, Compatible Bluetooth Devices: Bluetooth game controllers. No controller models are named.

Not available

Power

2 of 5 differ

Power supply

USB3Owner's manuald1ergij2b6wmg5.cloudfront.net/Amazon+Fire+TV+User+Guides/Fire+TV+Stick+Device+Documentation/Fire+TV+Stick+4K_Quick+Start+Guide_US.pdfRead 10 October 2026Page 1 shows the supplied USB cable from the stick micro USB socket to the power adapter and a wall outlet.

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.

5W5Press articleaftvnews.com/physical-overview-and-comparison-of-the-amazon-fire-tv-stick-4k-and-new-alexa-voice-remoteRead 10 October 2026Article of October 31, 2018 says the stick comes with the same 5 Watt / 1 Amp supply as earlier Fire TV Sticks. The stick itself has no stated power rating.

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.

Width30Height14Depth108mm(1.2 × 0.6 × 4.3 in)2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026Size row: 99 x 30 x 14 mm for the housing only and 108 x 30 x 14 mm including the connector. Stored depth includes the fixed HDMI plug.

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.

53.6g(1.9 oz)2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026Technical details row Weight: 53.6 g. AFTVnews measured 53.6 g too. Device only, without remote, cable or adapter.

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.

Width38Height142Depth16mm(1.5 × 5.6 × 0.6 in)2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026Remote technical details: Size 38 x 142 x 16 mm. Width across the buttons 38 mm, length along the buttons 142 mm, thickness 16 mm.

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.

43.4g(1.5 oz)2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026Remote technical details: Weight 43.4 g without batteries.

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

2 of 2 differ

In the box

Fire TV Stick 4K, Alexa Voice Remote (2nd Gen), USB cable, Power adapter, HDMI extender cable, 2 AAA batteries, Quick Start Guide2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026Technical details row Included in the box: Fire TV Stick 4K, Alexa Voice Remote (2nd Gen), USB cable and power adapter, HDMI extender cable for Fire TV Stick 4K, 2 AAA batteries and Quick Start Guide.

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.

Yes2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026The box holds an HDMI extender cable with a male and a female end. It is not a full male-to-male television cable. The fixed HDMI plug of the stick is not counted. This follows the interpretation used for the other Fire TV sticks in this catalog.12Reviewcnet.com/reviews/amazon-fire-tv-stick-4k-reviewRead 10 October 2026Review says Amazon includes a short HDMI cable, the port saver, so the stick fits hard-to-reach inputs. It is the extender 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/B079QHML212Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026Amazon US product page for the Fire TV Stick 4K with Alexa Voice Remote and TV controls. The page offers a Like-New unit and lists the same technical details.

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 10 October 2026Exact table headed Fire TV Stick 4K - 1st Gen (2018). The 2nd Gen 2023 tables on the same page are not used.

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

d1ergij2b6wmg5.cloudfront.net/Amazon+Fire+TV+User+Guides/Fire+TV+Stick+Device+Documentation/Fire+TV+Stick+4K_Quick+Start+Guide_US.pdf3Owner's manuald1ergij2b6wmg5.cloudfront.net/Amazon+Fire+TV+User+Guides/Fire+TV+Stick+Device+Documentation/Fire+TV+Stick+4K_Quick+Start+Guide_US.pdfRead 10 October 2026Official US quick start guide linked from the exact Amazon product page. It is an image-only PDF, so the single page was rendered and read. Its remote picture shows the later 3rd Gen remote bundle.

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

0 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.

1year2Maker product pageamazon.com/dp/B079QHML21Read 10 October 2026Technical details: 1-year limited warranty and service included. US reference only.

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.