BBK Vivo iQOO 3 5G Top Edition Global Dual SIM TD-LTE 256GB I1928 (BBK V1955) vs. TCL 20 5G UW TD-LTE US 128GB T781S / T781SPP (TCL Irvine) Frequency Band Comparison

Comparison Criteria

Device 1

Device 2

Frequency Band Comparison

Select a band for more details

Frequency Band	BBK Vivo iQOO 3 5G Top Edition Global Dual SIM TD-LTE 256GB I1928 (BBK V1955) View device details	TCL 20 5G UW TD-LTE US 128GB T781S / T781SPP (TCL Irvine) 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 B2 (1900 MHz PCS)	Yes	Yes
UMTS B4 (1700/2100 MHz AWS 1)	Yes	No
UMTS B5 (850 MHz)	Yes	Yes
UMTS B8 (900 MHz GSM)	Yes	Yes
UMTS B34 (TD 2000 MHz)	Yes	No
UMTS B39 (TD 1900 MHz +)	Yes	No
LTE B1 (2100 MHz)	Yes	No
LTE B2 (1900 MHz PCS)	Yes	Yes
LTE B3 (1800 MHz +)	Yes	Yes
LTE B4 (1700/2100 MHz AWS 1)	Yes	Yes
LTE B5 (850 MHz)	Yes	Yes
LTE B7 (2600 MHz)	Yes	Yes
LTE B8 (900 MHz)	Yes	No
LTE B12 (700 MHz ac)	Yes	Yes
LTE B13 (700 MHz c)	No	Yes
LTE B17 (700 MHz bc)	Yes	No
LTE B18 (800 MHz Lower)	Yes	No
LTE B19 (800 MHz Upper)	Yes	No
LTE B20 (800 MHz DD)	Yes	Yes
LTE B25 (1900 MHz +)	Yes	No
LTE B26 (850 MHz +)	Yes	No
LTE B28 (700 MHz APT)	No	Yes
LTE B34 (TD 2000 MHz)	Yes	No
LTE B38 (TD 2600 MHz)	Yes	No
LTE B39 (TD 1900 MHz +)	Yes	No
LTE B40 (TD 2300 MHz)	Yes	No
LTE B41 (TD 2500 MHz)	Yes	No
LTE B48 (TD 3600 MHz)	No	Yes
LTE B66 (1700/2100 MHz)	No	Yes
5G NR N2 (1900 MHz)	No	Yes
5G NR N5 (850 MHz)	No	Yes
5G NR N66 (1700/2100 MHz)	No	Yes
5G NR N77 (3700 MHz)	No	Yes
5G NR N260 (mmWave 39 GHz)	No	Yes
5G NR N261 (mmWave 28 GHz)	No	Yes