Onkyo TX-SR494 vs Yamaha RX-A1070BL comparison definitely makes sense.
Considered AV receivers have the same number of channels 7.2. Regarding power, then TX-SR494 has such a W/Ohm ratio - 135/6 1KHz when RX-A1070BL has a power of 110/8 20Hz-20KHz. The THD is 0.08% for the TX-SR494 but 0.06% for the RX-A1070BL.
Characteristics of digital to analog converter (DAC) are different, AKM 384 KHz/32-bit for TX-SR494 and ESS 192 KHz/24-bit for the RX-A1070BL. Both the TX-SR494 and the RX-A1070BL support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Only the Yamaha RX-A1070BL can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the RX-A1070BL supports Spotify. Compared AV receivers retain the quality of 4K 60p signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. The RX-A1070BL can scale the input HDMI signal, unlike the TX-SR494. Dolby Vision technology found support only on the RX-A1070BL.
The Onkyo TX-SR494 has 4/1 HDMI inputs/outputs versus 8/2 HDMI connectors of the Yamaha RX-A1070BL. The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.2. The RX-A1070BL has a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 2 Multi-room zones. An ECO mode is only available for the RX-A1070BL. Both TX-SR494 and RX-A1070BL can be configured using the Setup assistant.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.
The Yamaha RX-A1070BL is better receiver in this comparison. Check Yamaha RX-A1070BL price