
Minix U8K-Ultra 128GB
Score: 82/100
Formuler Z12 Ultra
Score: 82/100Rankings

The Minix U8K-Ultra is an 8K Android TV box delivering top-tier HDR performance and AI upscaling. Its drawbacks include limited Netflix HD support, lack of Android TV casting, and a higher price. Best suited for enthusiasts who own 8K displays and prioritize local playback over streaming app breadth.

The Formuler Z12 Ultra is a premium Android 12 streaming media player delivering 4K 60 fps video with Dolby Vision, HDR10+ and Dolby Atmos, backed by a Realtek quad-core CPU, 4 GB RAM and 128 GB storage. Its trade-offs include a relatively modest CPU and limited RAM for enthusiasts, as well as a bulkier form factor. It is best suited for IPTV enthusiasts and home-theater setups that value extensive HDR/audio features and local recording capability.
| Attribute | ![]() | ![]() |
|---|---|---|
8 p | 2,160 pbest | |
8 GBbest | 4 GB | |
60 Hzbest | 60 Hzbest | |
128 GBbest | 128 GBbest | |
| ↓ lower better | 1,200 g | 464 gbest |
1 count | 2 countbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Display(2) | ||
HDR Formats | HDR10, HDR10+, Dolby Vision | HDR10+, HDR10, HLG, Dolby Vision |
Maximum Resolution (p) | 8K p | 2160 p |
Performance(3) | ||
Processor | Amlogic S928X-K hexa-core 2.0-2.02 GHz | Realtek RTD1319C |
GPU | Arm Mali-G57 MC2 | Mali-G57 MC1 |
RAM (GB) | 8 GB | 4 GB |
Audio(1) | ||
Supported Audio Formats | Dolby Audio, Dolby Atmos | Dolby Atmos, DTS, MPEG, HE‑AAC |
Connectivity(1) | ||
Wi‑Fi Standard | Wi‑Fi 6 (802.11ax) | Wi‑Fi 6E |
Controls(1) | ||
Remote Type | Bluetooth gyro voice remote | Backlit voice remote |
Ports(1) | ||
Number of USB Ports (count) | 1 count | 2 count |
Build & Design(2) | ||
Weight (g) | 1200 g | 464 g |
Dimensions (H×W×D) (mm) | 34.9×135.6×135.6 mm mm | 23.9×100.1×134.9 mm mm |

Products in the top-left offer the best value (high score, low price).

Professional reviewers praise the Minix U8K-Ultra for its rock-solid 8K@60 Hz playback, powerful hexa-core processor, and advanced AI upscaling, but note its lack of full Android TV certification and higher price.
Everyday users love the stunning 8K HDR picture quality, fast performance, and expandable storage, but are frustrated by SD-only streaming on popular services and the premium price tag.

“stable content playback up to 8K at 60 frames”

“hoped also on better specs. Better cpu and 6gb ram”




Professional reviewers view the Z12 Ultra as a significant upgrade over the Z11 Pro, highlighting its faster Realtek RTD1319C processor, doubled 128 GB storage, Wi-Fi 6E support, and expanded HDR and audio codec suite. They commend the inclusion of QMS, Dolby Vision, and Dolby Atmos, positioning the device as a premium choice for high-end IPTV and home-theater setups.
Limited user feedback suggests most owners are satisfied with the device's performance and feature set, especially the pre-installed IPTV app and voice-controlled remote. However, a subset of users expressed a wish for a more powerful CPU and additional RAM, indicating the device may fall short for enthusiasts seeking top-tier hardware.