AOC AGON Pro AG421UDA is an Android smart monitor with a 41.5" 4K OLED display
14 October 2025, 11:25:47
AOC AGON Pro AG421UDA blurs the line between monitor and smart TV, delivering a 41.5-inch 4K OLED canvas paired with Android OS and voice control. It's aimed at users who want one screen that can handle creative work, next‑level media playback, and competitive gaming without compromise.
The monitor's OLED panel resolves at 3840 x 2160 pixels (4K) and uses a 10‑bit color depth to render smooth gradients and accurate tones. It covers 100% of the sRGB and 98.5% of the DCI-P3 color space. Brightness varies with APL%: 150 cd/m² at 100% APL, 500 cd/m² at 25% APL, and 800 cd/m² at 10% APL, while the contrast ratio is rated at 150,000:1 (100% APL) and 1,650,000 (10% APL), producing deep blacks and high perceived contrast. Moreover, the model supports HLG, HDR10+, and Dolby Vision.
The AOC AGON Pro AG421UDA reaches a maximum refresh rate of 144 Hz and a gray‑to‑gray response time of 0.1 ms, delivering fluid motion for gaming and fast video. Adaptive sync is covered with AMD FreeSync Premium and NVIDIA G‑Sync Compatible support to reduce tearing and stutter across varied frame rates. Overall, the model is well-positioned for console and PC gamers who want OLED contrast without sacrificing speed.
AGON by AOC builds audio into the package with a 50 W 2.1 sound system that supports Dolby Atmos and DTS:X, aiming for an immersive listening experience without external speakers. Wired and wireless connectivity includes Bluetooth 5.2, Wi‑Fi 6, two HDMI 2.1 ports, two HDMI 2.0, a USB 3.2 port, a USB 2.0 port, an S/PDIF, a headphone output, and a 100 Mbps RJ‑45 Ethernet port.
The AG421UDA runs on Android 14, bringing app support, streaming services, and a familiar smart interface to a monitor form factor. It is powered by a 2GHz quad‑core Cortec-A73 SoC with 4 GB DDR4 RAM and 32 GB eMMC fixed storage, enabling AI‑assisted features, media playback, and voice control through the built‑in smart stack.
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