
Mecool KM2
Score: 85/100
Roku Ultra LT
Score: 85/100Rankings

The MECOOL KM2 is a compact Android TV box that delivers certified 4K HDR streaming with Google Assistant and Chromecast integration. Its main trade-offs are limited Ethernet speed and modest internal storage. It is best suited for users who want a budget-friendly, feature-rich streaming device for mainstream media consumption.

The Roku Ultra LT (2023) is a compact 4K HDR streaming player powered by a quad-core 1.5 GHz processor and offers Dolby Vision support. It trades off a USB port and occasional Wi-Fi reliability for a lower price and Ethernet stability. Ideal for budget-conscious 4K TV owners seeking premium picture quality in a small form factor.
| Attribute | ![]() | ![]() |
|---|---|---|
2 GBbest | 2 GBbest | |
8 GBbest | — | |
60 Hzbest | 60 Hzbest | |
| ↓ lower better | 12 Wbest | — |
0.1 Gbpsbest | 0.1 Gbpsbest | |
| ↓ lower better | 499 g | 167 gbest |
— | 1 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Software(1) | ||
Operating System | Android TV 10 | Roku OS |
Audio(1) | ||
Supported Audio Formats | Dolby Audio, Dolby Digital, Dolby Digital Plus, Dolby Atmos | Dolby Atmos |
Performance(1) | ||
Processor | Amlogic S905X2-B (quad-core Cortex-A53) | Quad-core 1.5 GHz ARM Cortex A55/A53 |
Display(1) | ||
Maximum Video Resolution | 4K | 3840x2160 |
Connectivity(1) | ||
HDMI Version | 2.1 | HDMI 2.0 |
Build & Design(2) | ||
Device Weight (g) | 499 g | 167 g |
Device Dimensions (H×W×D) (mm) | 110x110x24 mm | 124.4x25.4x127 mm |


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

Professional reviewers commend the KM2 for its solid build, compact form factor, and Google-certified Android TV experience, emphasizing flawless 4K HDR streaming at 60 fps and the added value of Dolby Atmos and Chromecast integration.

Professional reviewers commend the Ultra LT for delivering a full-size Roku Ultra experience in a smaller, cheaper package, especially noting its solid 4K 60 fps performance, Dolby Vision support, and Ethernet stability. However, they flag the missing USB port and limited GPU details as notable compromises.
Everyday users consistently highlight the device's sharp 4K picture, fast UI, and convenient voice remote with headphones, while recurring complaints focus on the lack of USB connectivity and occasional Wi-Fi reliability issues.
“Fast app loading, vivid colors, easy voice control.”

