The driver size differs between the two (30 mm vs 9 mm), which can influence sound depth, bass response, and overall audio clarity. 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. There is a noticeable difference in weight (55 g without cord vs 18 gm), which may affect comfort during extended use. If you're comparing Sony MDR-G45LP and JBL C200SI, 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. Sony MDR-G45LP and JBL C200SI offer different noise cancellation capabilities (No vs NA), which can impact how effectively they block external noise. Impedance levels vary (24 ohms vs 16±3.2 ohm), which can affect compatibility and audio output when used with different devices. The frequency response differs (16 - 20,000 Hz vs 20 Hz - 20000 kHz), which can influence how well the headphones reproduce lows, mids, and highs.

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