An affordable AV receiver is always a good option to consider, so Denon AVRS530BT vs Denon AVR-S740H comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Denon AVRS530BT has 5.2 versus 7.2 for Denon AVR-S740H. Regarding power, then AVRS530BT has such a W/Ohm ratio - 70/8, 90/6 when AVR-S740H has a power of 75/8, 110/6. The THD is the same and is 0.08%.
Characteristics of digital to analog converter (DAC) are different, 192 KHz/24-bit for AVRS530BT and 192 KHz/32-bit for the AVR-S740H. None of the models support Bi-amping. The Denon AVR-S740H can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Only the Denon AVR-S740H can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the AVR-S740H supports Spotify.
These units support HDR technology. Compared AV receivers retain the quality of 4K/60Hz signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. Both competitors are not able to scale the HDMI signal. Dolby Vision technology found support only on the AVR-S740H.
The Denon AVRS530BT has 5/1 HDMI inputs/outputs versus 6/1 HDMI connectors of the Denon AVR-S740H. 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 AVR-S740H has a built-in phono stage for connecting a vinyl player. It is also worth noting that the ECO mode is presented in each of the receivers. Both AVRS530BT and AVR-S740H can be configured using the Setup assistant.
Only the AVR-S740H has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the AVR-S740H.