Different price classes - NAD D 3045 costs roughly 1.8x what NAD C316BEE V2 does. Expect it to lead on paper; the question is whether you will hear the difference through the speakers you own.
| Area | Better | Why |
|---|
| Power | A | NAD D 3045 has more power - 60W against 40W into 8 ohms. That is about 1.8dB, which is a small step in loudness but real headroom on peaks. |
| Room size | depends | We rate NAD D 3045 the better fit for a very large room, and NAD C316BEE V2 for desk or near-field listening. Match the amplifier to the room you actually have, not the one you want. |
| Noise floor | A | NAD D 3045 is the quieter design on paper - 98dB against 95dB. Audible mainly with sensitive speakers in a quiet room. |
| Built-in DAC | A | NAD D 3045 has a DAC on board; the other needs an external one, which is another box, another power lead and another purchase. |
| Analogue inputs | B | NAD C316BEE V2 takes more analogue sources - 5 against 2. |
| Use with a TV | depends | Only NAD D 3045 has HDMI ARC, so the television can drive it directly and one remote controls the volume. If the system is for music only, this changes nothing. |
| Room to grow | A | Only NAD D 3045 offers preamp outputs - which decides whether you can add a subwoofer or a power amplifier later without replacing the box. |
| Amplifier class | depends | NAD D 3045 is Class D and NAD C316BEE V2 is Class A/B. Class D runs cool and draws almost nothing at idle; Class A/B runs warm and is the long-established mainstream choice. Modern examples of both measure well - judge by the rest of the page. |
| Shelf space | depends | NAD D 3045 takes up about 83% less shelf area (208cm² against 1253cm²). |
| Price | B | NAD C316BEE V2 costs less - $499 against $899 at list. |
A NAD D 3045 B NAD C316BEE V2
depends neither is better in the abstract - it turns on your room, your system or how you will use them. Only specs published for both amplifiers are judged; anything missing on either side is left out rather than guessed.
Which should you choose?
The usual trade-off: NAD D 3045 measures better, NAD C316BEE V2 costs about 44% less. With most speakers in most rooms that gap is smaller in practice than it looks here. If this sits under a television, NAD D 3045 is the one to buy - HDMI ARC means the TV remote controls the volume and there is no second box in the way. If you already own a DAC or a streamer, the built-in one is money you are paying twice for, and NAD C316BEE V2 becomes the more rational buy.
What a spec sheet cannot show: how either sounds with your speakers, how the controls feel day to day, and what the app is like to live with - which is where most all-in-one amplifiers are actually won or lost. Power figures are the manufacturers' own and are not measured to a common standard, so treat small differences as noise. If you can hear both, that will tell you more than any row above.