The Xiaomi Redmi Note 5 (China) supports 5 codecs (aptX HD, LDAC, AAC, aptX, SBC). The vivo X21i supports 5 codecs (aptX HD, LDAC, AAC, aptX, SBC).
| Codec | Xiaomi Redmi Note 5 (China) Details | Change |
vivo X21i Details | Change |
|---|---|---|
| aptX LL | No | No |
| aptX HD | Yes | Yes |
| LDAC | Yes | Yes |
| AAC | Yes | Yes |
| UHQ | No | No |
| aptX | Yes | Yes |
| SBC | Yes | Yes |
| Bluetooth Version | 5.0 | 5.0 |
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