Software
- Amazon Fire TV Stick 4K Ultra HD
- Runs Fire OS 6 (Android 7.1)
- Amazon Fire TV Stick 4K Select
- Runs Vega OS 1.1
Media streamer comparison
Amazon Fire TV Stick 4K Ultra HD vs Amazon Fire TV Stick 4K Select
Compare picture quality, apps, remote and connectivity.
01Selected  Fire TV Stick 4K Ultra HD
KSh 9,000In Stock | 02  Amazon Fire TV Stick 4K Select
KSh 10,500Out of Stock |
|---|
2 of 4 products
Add to comparison
2 spaces availableAmazon Fire TV Stick 4K (2026)KSh 10,500
Xiaomi 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
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 Select if you want a lighter build (42 g).
Memory
- Amazon Fire TV Stick 4K Ultra HD
- 1.5 GB RAM in this version
- Amazon Fire TV Stick 4K Select
- 1 GB RAM in this version
Weight
- Amazon Fire TV Stick 4K Ultra HD
- 53.6 g
- Amazon Fire TV Stick 4K Select
- 42 g
Performance
- Amazon Fire TV Stick 4K Ultra HD
- MediaTek MTK8695 + MT7668 processor
- Amazon Fire TV Stick 4K Select
- MediaTek MT8698 MCM processor
Video & HDR
- Amazon Fire TV Stick 4K Ultra HD
- 4K output with Dolby Vision
- Amazon Fire TV Stick 4K Select
- 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 Select
- Lighter: 42 g.
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.
- 53.6 g.
- MediaTek MTK8695 + MT7668 processor.
- 4K output with Dolby Vision.
- HDMI output.
- SoC: MediaTek MTK8695 + MT7668.
Amazon Fire TV Stick 4K Select
- 1 GB RAM.
- 8 GB storage.
- Vega OS 1.1.
- Wi-Fi 5, Bluetooth 5.0.
- 42 g.
- MediaTek MT8698 MCM processor.
- 4K output with HDR10.
- HDMI 2.1 output.
- SoC: MediaTek MT8698 MCM.
Detailed comparison
Explore the full specifications, section by section.
General
| Specification | Fire TV Stick 4K Ultra HD | Amazon Fire TV Stick 4K Select |
|---|---|---|
| Brand | Amazon | Amazon |
Connectivity
| Specification | Fire TV Stick 4K Ultra HD | Amazon Fire TV Stick 4K Select |
|---|---|---|
| Wireless Connectivity | Dual-band Wi-Fi 5 (802.11a/b/g/n/ac), 2×2 MIMO; Bluetooth 5.0 | Dual-band Wi-Fi 5 (802.11a/b/g/n/ac), 2×2 MIMO; Bluetooth 5.0 + BLE |
| Ports | HDMI output; Micro-USB power; optional Ethernet adapter (10/100Mbps) | HDMI 2.1 output; Micro-USB power; 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 Select |
|---|---|---|
| Brand / Model | Amazon Fire TV Stick 4K (1st Gen, 2018); AFTMM | Amazon Fire TV Stick 4K Select (2025); AFTCA002 |
| Streamer Type | 4K streaming stick | 4K streaming stick |
| Operating System | Fire OS 6 (Android 7.1) | Vega OS 1.1 |
| Processor / Graphics | SoC: MediaTek MTK8695 + MT7668; CPU: quad-core 1.7GHz; GPU: IMG GE8300 | SoC: MediaTek MT8698 MCM; 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; Storage: 8GB |
Video
| Specification | Fire TV Stick 4K Ultra HD | Amazon Fire TV Stick 4K Select |
|---|---|---|
| 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; MPEG-2/4 |
Audio
| Specification | Fire TV Stick 4K Ultra HD | Amazon Fire TV Stick 4K Select |
|---|---|---|
| Audio Features / Formats | Dolby Atmos; Dolby Digital; Dolby Digital Plus | Dolby Atmos; Dolby Digital; Dolby Digital Plus |
Smart Features & Controls
| Specification | Fire TV Stick 4K Ultra HD | Amazon Fire TV Stick 4K Select |
|---|---|---|
| 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 | Alexa Voice Remote; Bluetooth; microphone; IR TV / soundbar power and volume control |
Physical & Package
| Specification | Fire TV Stick 4K Ultra HD | Amazon Fire TV Stick 4K Select |
|---|---|---|
| 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 | Device: 99 × 30 × 14 mm; 42 g. Power: Micro-USB. Included: Fire TV Stick 4K Select, Alexa Voice Remote, USB power cable, power adapter, HDMI extender, 2 AAA batteries and quick-start guide |
Similarities
- Both stream in 4K.
- Both support Wi-Fi 5.
- Both support Dolby Atmos.
- Both use Bluetooth 5.0.
- Both offer 8 GB of storage.
- Both connect over Bluetooth.
In summary
Choose Fire TV Stick 4K Ultra for more memory; Fire TV Stick 4K offers a lighter build.
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