Xiaomi Mi Mix Alpha 5G Dual SIM TD-LTE CN 512GB vs. Samsung SM-G991U Galaxy S21 5G UW Dual SIM TD-LTE US 128GB / SM-G991R4 (Samsung Unbound M1) Frequency Band Comparison

Comparison Criteria

Device 1

Device 2

Frequency Band Comparison

Select a band for more details

Frequency Band	Xiaomi Mi Mix Alpha 5G Dual SIM TD-LTE CN 512GB View device details	Samsung SM-G991U Galaxy S21 5G UW Dual SIM TD-LTE US 128GB / SM-G991R4 (Samsung Unbound M1) 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)	Yes	No
LTE B2 (1900 MHz PCS)	Yes	Yes
LTE B3 (1800 MHz +)	Yes	No
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)	No	Yes
LTE B13 (700 MHz c)	No	Yes
LTE B25 (1900 MHz +)	No	Yes
LTE B26 (850 MHz +)	No	Yes
LTE B29 (700 MHz de)	No	Yes
LTE B34 (TD 2000 MHz)	Yes	No
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
LTE B46 (TD 5900 MHz)	No	Yes
LTE B48 (TD 3600 MHz)	No	Yes
LTE B66 (1700/2100 MHz)	No	Yes
LTE B71 (600 MHz)	No	Yes
CDMA BC0 (800 MHz)	No	Yes
CDMA BC1 (1900 MHz PCS)	No	Yes
CDMA BC10 (Secondary 800 MHz)	No	Yes