Samsung SM-G990U Galaxy S21 FE 5G UW TD-LTE US 256GB / SM-G990V (Samsung G990) vs. Samsung SM-A556E/DS Galaxy A55 5G 2024 Premium Edition Dual SIM Global TD-LTE 256GB (Samsung A556) Frequency Band Comparison

Comparison Criteria

Device 1

Device 2

Frequency Band Comparison

Select a band for more details

Frequency Band	Samsung SM-G990U Galaxy S21 FE 5G UW TD-LTE US 256GB / SM-G990V (Samsung G990) View device details	Samsung SM-A556E/DS Galaxy A55 5G 2024 Premium Edition Dual SIM Global TD-LTE 256GB (Samsung A556) 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)	No	Yes
UMTS B5 (850 MHz)	Yes	Yes
UMTS B8 (900 MHz GSM)	Yes	Yes
LTE B1 (2100 MHz)	No	Yes
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)	No	Yes
LTE B12 (700 MHz ac)	Yes	Yes
LTE B13 (700 MHz c)	Yes	Yes
LTE B17 (700 MHz bc)	No	Yes
LTE B20 (800 MHz DD)	Yes	Yes
LTE B25 (1900 MHz +)	No	Yes
LTE B26 (850 MHz +)	Yes	Yes
LTE B28 (700 MHz APT)	Yes	Yes
LTE B38 (TD 2600 MHz)	Yes	Yes
LTE B39 (TD 1900 MHz +)	Yes	No
LTE B40 (TD 2300 MHz)	Yes	Yes
LTE B41 (TD 2500 MHz)	Yes	Yes
LTE B46 (TD 5900 MHz)	Yes	No
LTE B48 (TD 3600 MHz)	Yes	No
LTE B66 (1700/2100 MHz)	Yes	Yes
5G NR N1 (2100 MHz)	No	Yes
5G NR N2 (1900 MHz)	Yes	No
5G NR N3 (1800 MHz)	No	Yes
5G NR N5 (850 MHz)	Yes	Yes
5G NR N7 (2600 MHz)	No	Yes
5G NR N8 (900 MHz)	No	Yes
5G NR N26 (850 MHz)	No	Yes
5G NR N28 (700 MHz)	No	Yes
5G NR N40 (2300 MHz)	No	Yes
5G NR N41 (2500 MHz)	No	Yes
5G NR N66 (1700/2100 MHz)	Yes	Yes
5G NR N77 (3700 MHz)	No	Yes
5G NR N78 (3500 MHz)	Yes	Yes
5G NR N260 (mmWave 39 GHz)	Yes	No
5G NR N261 (mmWave 28 GHz)	Yes	No