The discussion highlights the nuanced differences between onboard audio solutions and dedicated sound cards, emphasizing that while theoretically onboard sound can match dedicated cards in quality, practical performance is influenced by the motherboard design and component quality. Key considerations include shielding from electrical noise, power supply quality, and component placements. Many enthusiasts are opting for USB DACs, which provide greater separation from internal noise. The performance gap largely depends on the intended use—casual listening versus professional applications—indicating that audiophiles and serious users should lean towards dedicated sound cards or external solutions. Additionally, advances in onboard audio technology suggest improvements but often still lag behind specialized external devices, giving opportunities for market differentiation in high-fidelity audio products.