Software
- Amazon Fire TV Stick 4K Ultra HD
- Runs Fire OS 6 (Android 7.1)
- Amazon Fire TV Stick 4K
- Runs Vega OS 2.0
Media streamer comparison
Amazon Fire TV Stick 4K Ultra HD vs Amazon Fire TV Stick 4K 2026
Compare picture quality, apps, remote and connectivity.
01Selected  Fire TV Stick 4K Ultra HD
KSh 9,000In Stock | 02  Amazon Fire TV Stick 4K (2026)
KSh 10,500Out of Stock |
|---|
2 of 4 products
Add to comparison
2 spaces availableXiaomi TV Stick 4K (2nd Gen)KSh 8,590
Xiaomi TV Box S (2nd Gen) 4K (2023)KSh 9,000
Xiaomi TV Box S (3rd Gen) 2025KSh 11,840
Xiaomi TV Stick HD 2nd GenKSh 7,000
Our quick verdict
Choose the Amazon Fire TV Stick 4K Ultra HD if you want more memory (1.5 GB RAM), Dolby Vision HDR and a lower price (KSh 1,500 less). Choose the Amazon Fire TV Stick 4K if you want Wi-Fi 6 and Bluetooth 5.3.
Connections
- Amazon Fire TV Stick 4K Ultra HD
- Bluetooth connection
- Amazon Fire TV Stick 4K
- 2.4 GHz wireless and Bluetooth connection
Memory
- Amazon Fire TV Stick 4K Ultra HD
- 1.5 GB RAM
- Amazon Fire TV Stick 4K
- 1 GB RAM
Performance
- Amazon Fire TV Stick 4K Ultra HD
- MediaTek MTK8695 + MT7668 processor
- Amazon Fire TV Stick 4K
- MediaTek MT8698E processor
Video & HDR
- Amazon Fire TV Stick 4K Ultra HD
- 4K output with Dolby Vision
- Amazon Fire TV Stick 4K
- 4K output
Key differences
The main differences to help you choose.
Amazon Fire TV Stick 4K Ultra HD
- More memory: 1.5 GB RAM.
- Dolby Vision HDR.
- Lower price: KSh 9,000 (KSh 1,500 less).
Amazon Fire TV Stick 4K
- Newer Wi-Fi 6.
- Newer Bluetooth 5.3.
What matters most to you?
9 priorities selected.
Amazon Fire TV Stick 4K Ultra HD
- 1.5 GB RAM.
- 8 GB storage.
- Fire OS 6.
- Wi-Fi 5, Bluetooth 5.0.
- MediaTek MTK8695 + MT7668 processor.
- 4K output with Dolby Vision.
- Dolby Atmos.
- HDMI output.
- Alexa Voice Remote.
Amazon Fire TV Stick 4K
- 1 GB RAM.
- 8 GB storage.
- Vega OS 2.0.
- Wi-Fi 6, Bluetooth 5.3.
- MediaTek MT8698E processor.
- 4K output with HDR10.
- HDMI passthrough: Dolby Atmos.
- HDMI 2.1.
- Redesigned Fire TV Remote.
Detailed comparison
Explore the full specifications, section by section.
General
| Specification | Fire TV Stick 4K Ultra HD | Amazon Fire TV Stick 4K (2026) |
|---|---|---|
| Brand | Amazon | Amazon |
Connectivity
| Specification | Fire TV Stick 4K Ultra HD | Amazon Fire TV Stick 4K (2026) |
|---|---|---|
| Wireless Connectivity | Dual-band Wi-Fi 5 (802.11a/b/g/n/ac), 2×2 MIMO; Bluetooth 5.0 | Dual-band Wi-Fi 6 (802.11a/b/g/n/ac/ax), 2.4GHz / 5GHz; Bluetooth 5.3 + BLE |
| Ports | HDMI output; Micro-USB power; optional Ethernet adapter (10/100Mbps) | HDMI 2.1; USB-C 2.0; optional Ethernet adapter |
| Casting / Network Features | Miracast display mirroring; linked Echo device for hands-free Alexa | Miracast display mirroring; linked Echo device for hands-free Alexa |
Media Streamer
| Specification | Fire TV Stick 4K Ultra HD | Amazon Fire TV Stick 4K (2026) |
|---|---|---|
| Brand / Model | Amazon Fire TV Stick 4K (1st Gen, 2018); AFTMM | Amazon Fire TV Stick 4K (3rd Gen, 2026); AFTCR001 |
| Streamer Type | 4K streaming stick | 4K streaming stick |
| Operating System | Fire OS 6 (Android 7.1) | Vega OS 2.0 |
| Processor / Graphics | SoC: MediaTek MTK8695 + MT7668; CPU: quad-core 1.7GHz; GPU: IMG GE8300 | SoC: MediaTek MT8698E; CPU: quad-core Cortex-A55, up to 1.7GHz; GPU: ARM G310 V2, up to 500MHz |
| Memory / Storage | RAM: 1.5GB DDR4; Storage: 8GB | RAM: 1GB LPDDR4-3733; Storage: 8GB |
Video
| Specification | Fire TV Stick 4K Ultra HD | Amazon Fire TV Stick 4K (2026) |
|---|---|---|
| Maximum Resolution | 3840 × 2160 (4K), up to 60 fps | 3840 × 2160 (4K), up to 60 fps |
| HDR / Video Features | Dolby Vision; HDR10; HDR10+; HLG | HDR10; HDR10+; HLG |
| Video Decoding / Codecs | HEVC / H.265; AVC / H.264; VP8; VP9; H.263; MPEG-2/4 | AV1; HEVC / H.265; AVC / H.264; VP8; VP9; H.263; MPEG-2/4 |
Audio
| Specification | Fire TV Stick 4K Ultra HD | Amazon Fire TV Stick 4K (2026) |
|---|---|---|
| Audio Features / Formats | Dolby Atmos; Dolby Digital; Dolby Digital Plus | HDMI passthrough: Dolby Atmos; Dolby Digital; Dolby Digital Plus; DTS; DTS-HD; MPEG-H |
Smart Features & Controls
| Specification | Fire TV Stick 4K Ultra HD | Amazon Fire TV Stick 4K (2026) |
|---|---|---|
| Streaming / Smart Features | Alexa; Fire TV apps; Prime Video, Netflix and Disney+ | Alexa; Fire TV apps; Prime Video, Netflix and Disney+ |
| Remote / Voice Control | Alexa Voice Remote; Bluetooth; microphone; IR TV / soundbar power and volume control | Redesigned Fire TV Remote; Alexa voice control |
Physical & Package
| Specification | Fire TV Stick 4K Ultra HD | Amazon Fire TV Stick 4K (2026) |
|---|---|---|
| Dimensions / Weight / Power / In the Box | Device: 99 × 30 × 14 mm housing; 108 × 30 × 14 mm including HDMI connector; 53.6 g. Power: Micro-USB. Included: Fire TV Stick 4K, Alexa Voice Remote, USB power cable, power adapter, HDMI extender, 2 AAA batteries and quick-start guide | Power: USB-C with Direct Power from a compatible TV USB port. Included: Fire TV Stick 4K (3rd Gen) and Fire TV Remote |
Similarities
- Both stream in 4K.
- Both support Dolby Atmos.
- Both offer 8 GB of storage.
- Both connect over Bluetooth.
- Both use dual-band Wi-Fi.
- Both use HDR10 (HDR / video features).
In summary
Choose Fire TV Stick 4K Ultra for more memory; Fire TV Stick 4K offers newer Wi-Fi.
Back to compared products ↑In-stock alternatives
Related comparisons
Fire TV Stick 4K Ultra HDXiaomi TV Stick 4K (2nd Gen)Fire TV Stick 4K Ultra HDXiaomi TV Box S (2nd Gen) 4K (2023)Fire TV Stick 4K Ultra HDXiaomi TV Box S (3rd Gen) 2025Fire TV Stick 4K Ultra HDXiaomi TV Stick HD 2nd GenFire TV Stick 4K Ultra HD
Xiaomi TV Stick 4K (2022, EU)Fire TV Stick 4K Ultra HD
Apple TV 4K Wi‑Fi + Ethernet with 128GBFire TV Stick 4K Ultra HD
Google TV Streamer 4KFire TV Stick 4K Ultra HD
Mi TV Stick (1080p, EU)Fire TV Stick 4K Ultra HD
Amazon Fire TV Stick 4K SelectFire TV Stick 4K Ultra HD
Amazon Fire Stick 4K