Oppo K9s 5G 2021 Premium Edition Dual SIM TD-LTE CN 128GB PERM10 vs. BBK Vivo Y78t 5G 2023 Premium Edition Dual SIM TD-LTE CN 256GB V2312BA (BBK V2312) Frequency Band Comparison

Comparison Criteria

Device 1

Device 2

Frequency Band Comparison

Select a band for more details

Frequency Band	Oppo K9s 5G 2021 Premium Edition Dual SIM TD-LTE CN 128GB PERM10 View device details	BBK Vivo Y78t 5G 2023 Premium Edition Dual SIM TD-LTE CN 256GB V2312BA (BBK V2312) View device details
GSM 850 MHz	Yes	Yes
GSM 900 MHz (E-GSM)	Yes	Yes
GSM 1800 MHz (DCS)	Yes	Yes
GSM 1900 MHz (PCS)	Yes	Yes
UMTS B1 (2100 MHz)	Yes	Yes
UMTS B4 (1700/2100 MHz AWS 1)	Yes	No
UMTS B5 (850 MHz)	Yes	Yes
UMTS B6 (850 MHz Japan)	Yes	No
UMTS B8 (900 MHz GSM)	Yes	Yes
UMTS B19 (800 MHz Japan)	Yes	No
LTE B1 (2100 MHz)	Yes	Yes
LTE B3 (1800 MHz +)	Yes	Yes
LTE B4 (1700/2100 MHz AWS 1)	Yes	No
LTE B5 (850 MHz)	Yes	Yes
LTE B8 (900 MHz)	Yes	Yes
LTE B19 (800 MHz Upper)	Yes	No
LTE B28 (700 MHz APT)	Yes	Yes
LTE B34 (TD 2000 MHz)	Yes	Yes
LTE B38 (TD 2600 MHz)	Yes	Yes
LTE B39 (TD 1900 MHz +)	Yes	Yes
LTE B40 (TD 2300 MHz)	Yes	Yes
LTE B41 (TD 2500 MHz)	Yes	Yes
CDMA BC0 (800 MHz)	Yes	Yes
5G NR N1 (2100 MHz)	Yes	Yes
5G NR N5 (850 MHz)	No	Yes
5G NR N8 (900 MHz)	No	Yes
5G NR N28 (700 MHz)	Yes	Yes
5G NR N38 (2600 MHz)	No	Yes
5G NR N40 (2300 MHz)	No	Yes
5G NR N41 (2500 MHz)	Yes	Yes
5G NR N77 (3700 MHz)	Yes	Yes
5G NR N78 (3500 MHz)	Yes	Yes