Impedance levels vary (32 Ohms vs 35 ohm), which can affect compatibility and audio output when used with different devices. There is a noticeable difference in weight (290 g vs 240 GM), which may affect comfort during extended use. The driver size differs between the two (45 mm vs 40 mm), which can influence sound depth, bass response, and overall audio clarity. Beyerdynamic DT 880 Edition and Audio Technica ATH-M40x offer different noise cancellation capabilities (NA vs Sound Isolation), which can impact how effectively they block external noise. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. The frequency response differs (5 Hz - 35000 Hz vs 15Hz - 24KHz), which can influence how well the headphones reproduce lows, mids, and highs. If you're comparing Beyerdynamic DT 880 Edition and Audio Technica ATH-M40x, both models offer a strong combination of sound performance, comfort, and modern wireless features. Both headphones offer solid battery performance, making them suitable for long listening sessions and travel.

Verdict: Both models are competitive, and your decision should be based on your usage needs and preferred features.