BBK Vivo Nex Dual Display Edition Dual SIM TD-LTE TW 128GB 1813 (BBK V1821) vs. BBK iQOO U3x 5G Top Edition Dual SIM TD-LTE CN 128GB V2106A (BBK V2106) Frequency Band Comparison

Comparison Criteria

Device 1

Device 2

Frequency Band Comparison

Select a band for more details

Frequency Band	BBK Vivo Nex Dual Display Edition Dual SIM TD-LTE TW 128GB 1813 (BBK V1821) View device details	BBK iQOO U3x 5G Top Edition Dual SIM TD-LTE CN 128GB V2106A (BBK V2106) 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)	No	Yes
UMTS B5 (850 MHz)	Yes	Yes
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)	No	Yes
LTE B5 (850 MHz)	Yes	Yes
LTE B7 (2600 MHz)	Yes	No
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)	No	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)	No	Yes
5G NR N1 (2100 MHz)	No	Yes
5G NR N3 (1800 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