
RockTek G2 Chromecast
Score: 80/100
Onn 4K Plus
Score: 72/100Rankings

The RockTek G2 is a compact 4K UHD streaming box running a modified Android 14, offering Wi-Fi 6, Gigabit Ethernet and full Dolby Vision, HDR10+ and Dolby Atmos support. Its non-certified Android fork and thermal throttling limit reliability for power users, though it remains a strong budget alternative. Best suited for cost-conscious users upgrading non-smart TVs who value extensive codec support and Ethernet connectivity.

The onn 4K Plus Streaming Device offers Dolby Vision, HDR10+ and Dolby Atmos support with Wi-Fi 6 for smooth 4K streaming. Its lack of Ethernet and limited ports constrain connectivity options. Best suited for budget-conscious households that rely on fast Wi-Fi and the Google TV ecosystem.
| Attribute | ![]() | ![]() |
|---|---|---|
8,294,400 pixelsbest | 2,160 pixels | |
60 Hzbest | — | |
4 GBbest | 2 GB | |
32 GBbest | 16 GB | |
| ↓ lower better | 10 Wbest | — |
1 countbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Display(1) | ||
Maximum Resolution (pixels) | 3840x2160 pixels | 2160 pixels |
Audio(1) | ||
Supported Audio Formats | Dolby Atmos, DTS-HD | Dolby Atmos |
Connectivity(3) | ||
Wi‑Fi Standard | Wi‑Fi 6 | 802.11ax |
Ethernet Port | true | false |
Bluetooth Version | 5.0+ | 5.0 |
Performance(2) | ||
CPU | Amlogic S905X4‑K | Quad-core 2.1 GHz |
RAM (GB) | 4 GB | 2 GB |
Storage(1) | ||
Internal Storage (GB) | 32 GB | 16 GB |

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

Professional reviewers commend the Rocktek G2 for its impressive 4K HDR and AV1 decoding, fast Wi-Fi 6 networking, and convenient voice-enabled remote, positioning it as a strong budget alternative to premium boxes. However, they caution that the non-certified Android fork, thermal throttling, and HDMI mislabeling diminish its appeal for power users who need guaranteed app certification and advanced gaming features.
Consumers generally appreciate the G2's ability to deliver smooth 4K streaming, reliable casting, and high-quality audio without breaking the bank. Common praise centers on its codec support and network performance, while recurring complaints focus on software update irregularities, remote connectivity issues, and occasional heating during long sessions.

“Excellent 4K@60fps playback with Dolby Vision/HDR10+/AV1 support and auto frame rate/color space matching”

“Modified Android 14 lacks Google certification, leading to inconsistent Play Store/Widevine L1/Netflix 4K support.”

“Thermal throttling (65°C after 18 min) causes minor HDR frame drops.”




Professional reviewers commend the onn 4K Plus for its surprisingly snappy navigation, excellent 4K HDR picture quality, and premium feel given its 2 GB RAM and 16 GB storage, while also noting the absence of an Ethernet port and limited connectivity options.
Everyday users praise the device for its quick setup, vibrant 4K visuals, reliable Google Assistant voice control, and overall value, but commonly mention occasional buffering on weak networks, limited storage without sideloading, and the lack of Ethernet or USB ports as drawbacks.