The greatest advantage of RFID over QR codes lies in its parallel reading capability and non-contact long-range recognition features, which provide systematic benefits in efficiency, environmental adaptability, and data management.

The main advantages are reflected in the following aspects:
Batch rapid identification (parallel reading)
An RFID reader can simultaneously identify hundreds or even thousands of tags without requiring individual alignment and scanning. For instance, when inventorying 1,000 items in a warehouse, a handheld RFID device can complete the task in about one minute by simply moving around the area. In contrast, scanning with QR codes would take up to an hour, as each must be scanned individually. This difference is particularly critical in high-frequency operational scenarios such as logistics and manufacturing.

No need for line-of-sight recognition, with strong penetration capability
RFID relies on radio communication and can penetrate non-metallic materials such as paper, plastic, and wood for identification, enabling normal reading even when the tag is obscured, embedded, or in a complex environment. In contrast, QR codes depend on optical imaging and become unreadable once contaminated, folded, or obscured.

Data can be repeatedly written and dynamically updated
The RFID chip has storage space, allowing repeated writing of status information (such as production progress and inspection results) during the item's circulation process, enabling full lifecycle tracking. Once the QR code information is generated, it becomes fixed and cannot be modified.

Higher durability and environmental adaptability
RFID tags are resistant to contamination and wear, making them suitable for harsh industrial environments such as dampness, high temperatures, and dust. In contrast, QR codes are prone to failure due to dirt or damage, resulting in higher maintenance costs.

Support for high-speed mobile recognition
RFID can identify objects in high-speed motion and is widely used in ETC toll systems, while QR codes struggle to be reliably read in high-speed scenarios.

Although RFID costs more than QR codes (ranging from a few cents to several yuan per tag), its long-term benefits far outweigh the investment in scenarios requiring high efficiency, accuracy, and automation. In the future, the two are more likely to coexist and complement each other: RFID for high-value assets and automated management, while QR codes continue to play a role in low-cost, low-complexity scenarios.