Design

First of all, let's consider their appearance as, for many, first impression counts, particularly in a living area where looks matter.

If you want a basic, modern look, the Marantz SR5015 comes across as elegant and sophisticated. Unless you go right up close, the characteristic Marantz porthole display in the middle looks great but is somewhat limiting in displaying information. Therefore, even if everything seems tidy, attempting to quickly check the settings from across the room might irritate you. That subtlety, however, fits well without drawing too much attention when combined with a darkly lit space or nighttime movie viewing.

Conversely, the Denon AVR-X2700H tends toward a more conventional form. I would describe it as no-nonsense; it is simple and useful. It might come in handy as its larger display provides more information. If you like having all the information upfront, you will appreciate the simplicity; however, it's less of a conversation starter than the Marantz.

If you're willing to forgo some practicality in favor of a design that appears somewhat more expensive, the Marantz system proves to be more robust.

Connectivity

This is here when things start to get serious; for many individuals, connection is everything. Whether it's streaming music, linking your TV, or gaming console, or managing your home automation, you want a receiver that can manage anything you throw at it.

The Marantz SR5015 provides 8K passthrough along with the standard HDMI ins and outs. You are thus lucky if you are someone who is future-proofing for 8K. More importantly, however, it has support for HEOS multi-room streaming. This function makes it simple to play your music across many rooms if you have a home loaded with speakers. It works well with services like Spotify and Tidal and is easy to use. You have many choices for wireless streaming from AirPlay 2, Bluetooth, and Wi-Fi as well.

On the connection front, the Denon AVR-X2700H falls not far behind. It also has HEOS built-in and 8K passing, hence anything you can do on the Marantz you can do here as well. Denon usually seems a little bit snappier when it comes to setup and changing between inputs. On the Denon, while the Marantz sometimes had a little latency between sources, I found moving between my game console and TV seemed quicker. That said, this probably won't be a deal-breaker unless you're bouncing between devices nonstop.

Both receivers provide enough HDMI ports for most configurations. Both of them include eARC, which will let you transfer audio back to the receiver from your smart TV without additional wires. Whether you're viewing traditional TV or Netflix, the sound comes through crisp and free of complication.

When it comes to multi-zone management, the Denon offers a slight advantage in terms of ease of use. However, if you have a complex setup with numerous zones—that is if you are streaming audio to another room—the Marantz may be more suitable. While the Marantz may go a few more feet, managing that second zone is simply more natural.

Performance

This is where you really need to concentrate because ultimately, the quality of your movies and music depends on how these receivers handle them. Let's talk about life with these two.

The Marantz SR5015 sounds warm and rich. If your preferred audio experience is more relaxed and almost buttery, you will love it. Watching movies with a lot of conversation or softer tones, such as jazz or acoustic, can highlight this warmth. Many consumers seem to like this experience because it envelopes you in sound. It seems more immersive, like you are right there in the scenario while you are watching a movie. It is smooth. The lows exhibit a well-defined circular depth, the highs remain subdued, and the middle maintains balance.

By contrast, the Denon AVR-X2700H produces a more balanced, punchier sound. Denon's sound characteristics will appeal to you if you like plenty of rock, hip-hop, or action-packed films. The highs are sharper; the bass is tighter. That influence will be more evident in explosive or very intense action situations. Though it is not as warm as the Marantz, it is more detailed. Little noises in your music or movie soundtrack that you may have missed on the Marantz will be apparent.

If I had to describe it, Denon feels like a bolt of electricity, whereas Marantz feels like a cozy embrace. Both have merit depending on the kind of auditory experience you're seeking. Denon fits those high-energy movie evenings or music that calls for accuracy; Marantz is perfect for relaxing periods.

Where and when to use

To be honest, both of these receivers will operate in most house configurations. Here is where they excel, however. Medium to bigger spaces might find the Marantz SR5015 perfect. Perfect for open-concept living areas where you want the sound to seem all-encompassing, its sound character warms the area. For movie evenings when you want to really delve into the sound, it's perfect; however, it's also great for background music during dinner or when visitors are around.

Even though the Denon AVR-X2700H operates in any size room, it seems more at home in more compact configurations where you're sitting a little closer to the speakers. In gaming settings, smaller theater rooms, or flats where you want to hear everything but do not require that broad, vast sound as much, its snappy and detailed sound fits perfectly.

Compatible Devices

The Marantz and Denon both handle almost everything. Whether you have a brand-new OLED TV, a game system, or a vintage DVD player, Marantz and Denon have you covered.

One thing I saw, however, is that Marantz's warm tone fits well with somewhat louder speakers. If you have Klipsch or anything with forward-sounding tweeters, they will wonderfully accent the Marantz's smooth tone. Denon's balanced, powerful sound, on the other hand, fits almost any speaker setup, but it particularly accentuates subwoofers that prefer to highlight their low-end rumbling.

Ease of Use

Now, nobody wants a headache-ridden receiver to use; hence, Marantz and Denon have made sure their devices are easily usable.

Marantz SR5015 is simple yet the settings seem a little clumsy. Changing the sound settings may be annoying, as it sometimes requires going somewhat deeper into the menus. Once you get everything set up, however, it is easy sailing.

Particularly about its on-screen menus, the Denon AVR-X2700H is quite user-friendly. Denon's layout simply makes sense if you're the sort of person who enjoys adjusting your sound settings; you won't have to guess where things are.

Cost

Although Denon is usually a little less expensive, both receivers fall in the mid-range group and are close enough to make price likely not the decisive factor.