It’s strongly recommended to compare different receivers if you want to choose the best one: Onkyo TX-SR353 vs Onkyo TX-NR828.
The number of channels for receivers is different - 5.1 versus 7.2, respectively, for devices. In terms of power, there are differences, the TX-SR353 has such a ratio W/Ohm - 140/6, while the TX-NR828 has a power of 180/6. A common feature for devices is the same total harmonic distortion - 0.08%.
The manufacturer installed different DACs, the TX-SR353 received the model 192 KHz/24-bit, but the TX-NR828 is equipped with Burr-Brown 192 KHz/24-bit. The Bi-amping function is implemented only in the Onkyo TX-NR828. The model TX-NR828 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet connection via WIFI is only possible with TX-NR828. Each of the receivers has a Bluetooth connector. The TX-NR828 has access to the Spotify service.
Oddly enough, the support for the HDR function is not implemented in these units. Signaling over HDMI in standby mode can provide the TX-SR353 and the TX-NR828. Video scaling is only possible with the TX-NR828. Review participants do not have the Dolby Vision feature.
The number of HDMI inputs/outputs varies depending on the receiver, the TX-SR353 has 4/1, and the TX-NR828 has 8/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the TX-SR353 and the TX-NR828. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. TX-SR353 and TX-NR828 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Onkyo TX-NR828. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in neither AV receiver. The Onkyo TX-NR828 can be properly configured using the setup assistant.
Generally no support for a Dolby Atmos multichannel audio format. A DTS:X surround technology is not supported by devices from our comparison.