Codec comparison of Apple iPhone 4 and vivo X21 UD

The Apple iPhone 4 supports 2 codecs (AAC, SBC). The vivo X21 UD supports 5 codecs (aptX HD, LDAC, AAC, aptX, SBC).


Codec Apple iPhone 4
Details | Change
vivo X21 UD
Details | Change
aptX LL No No
aptX HD No Yes
LDAC No Yes
AAC Yes Yes
UHQ No No
aptX No Yes
SBC Yes Yes
Bluetooth Version 2.1 5.0


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