Apple Watch Series 5 44mm Nike Global TD-LTE A2157 (Apple Watch 5,4) vs. BBK Vivo Y100i 5G 2023 Standard Edition Dual SIM TD-LTE CN 128GB V2279A (BBK V2279A) Frequency Band Comparison

Comparison Criteria

Device 1

Device 2

Frequency Band Comparison

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Frequency Band	Apple Watch Series 5 44mm Nike Global TD-LTE A2157 (Apple Watch 5,4) View device details	BBK Vivo Y100i 5G 2023 Standard Edition Dual SIM TD-LTE CN 128GB V2279A (BBK V2279A) View device details
GSM 850 MHz	No	Yes
GSM 900 MHz (E-GSM)	No	Yes
GSM 1800 MHz (DCS)	No	Yes
GSM 1900 MHz (PCS)	No	Yes
UMTS B1 (2100 MHz)	Yes	Yes
UMTS B2 (1900 MHz PCS)	Yes	No
UMTS B4 (1700/2100 MHz AWS 1)	Yes	No
UMTS B5 (850 MHz)	Yes	Yes
UMTS B8 (900 MHz GSM)	Yes	Yes
LTE B1 (2100 MHz)	Yes	Yes
LTE B2 (1900 MHz PCS)	Yes	No
LTE B3 (1800 MHz +)	Yes	Yes
LTE B4 (1700/2100 MHz AWS 1)	Yes	No
LTE B5 (850 MHz)	Yes	Yes
LTE B7 (2600 MHz)	Yes	No
LTE B8 (900 MHz)	Yes	Yes
LTE B18 (800 MHz Lower)	Yes	No
LTE B19 (800 MHz Upper)	Yes	No
LTE B20 (800 MHz DD)	Yes	No
LTE B25 (1900 MHz +)	Yes	No
LTE B26 (850 MHz +)	Yes	No
LTE B28 (700 MHz APT)	No	Yes
LTE B34 (TD 2000 MHz)	No	Yes
LTE B38 (TD 2600 MHz)	No	Yes
LTE B39 (TD 1900 MHz +)	Yes	Yes
LTE B40 (TD 2300 MHz)	Yes	Yes
LTE B41 (TD 2500 MHz)	Yes	Yes
LTE B66 (1700/2100 MHz)	Yes	No
5G NR N1 (2100 MHz)	No	Yes
5G NR N5 (850 MHz)	No	Yes
5G NR N8 (900 MHz)	No	Yes
5G NR N28 (700 MHz)	No	Yes
5G NR N41 (2500 MHz)	No	Yes
5G NR N77 (3700 MHz)	No	Yes
5G NR N78 (3500 MHz)	No	Yes