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Snapdragon X50 5G Modem-RF System vs. X55 5G Modem-RF System

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1.Snapdragon X50 5G Modem-RF System

The Snapdragon X50 5G Modem-RF System is designed to support the next generation of mobile devices. When paired with a Snapdragon processor with an integrated Gigabit class LTE modem, the complete Snapdragon X50 5G platform can provide multi-mode 4G/5G capability via dual connectivity.

2.Snapdragon X55 5G Modem-RF System

Snapdragon X55 5G Modem-RF System is 2nd generation 5G modem with integrated multi-mode support, designed to deliver breakthrough wireless performance and accelerate global 5G rollout.

The Snapdragon X55 5G Modem-RF System supports virtually any combination of spectrum bands and/or modes: 5G mmWave and sub-6 GHz, standalone and non-standalone modes, TDD and FDD, spectrum sharing, LTE and legacy modes (3G, 2G). This is designed to enable OEMs to bring blazing fast connected devices to global networks in nearly any form factor.

3.Compare the difference between Snapdragon X50 5G and X55 5G

Table 1. Snapdragon X50 5G Modem-RF System vs. X55 5G Modem-RF System

Model	Snapdragon X50 5G Modem-RF System	Snapdragon X55 5G Modem-RF System
5G Chipset	\	Qualcomm® Snapdragon™ X55 Modem-RF System
5G Technology	5G NR	5G NR
5G Spectrum	mmWave sub-6 GHz	5G/4G spectrum sharing mmWave sub-6 GHz
5G Modes	NSA (non-standalone) TDD	FDD NSA (non-standalone) SA (standalone) TDD
5G mmWave specs	800 MHz bandwidth 8 carriers 2x2 MIMO	800 MHz bandwidth 8 carriers 2x2 MIMO
5G sub-6 GHz specs	100 MHz bandwidth 4x4 MIMO	200 MHz bandwidth 4x4 MIMO
mmWave Features	Beam forming Beam steering Beam tracking Dual-layer polarization in downlink and uplink	\
5G Peak Download Speed	5 Gbps	7.5 Gbps
5G Peak Upload Speed	\	3 Gbps
5G RF	\	100 MHz envelope tracking Adaptive antenna tuning
5G SIM	5G Dual SIM support	5G Dual SIM support
Downlink Carrier Aggregation	\	7x20 MHz carrier aggregation
Downlink LTE MIMO	\	4x4 MIMO
Downlink QAM	\	Up to 1024-QAM
Uplink Technology	\	Uplink Data Compression (UDC)
Uplink Carrier Aggregation	\	3x20 MHz carrier aggregation
LTE Peak Download Speed	\	2.5 Gbps
LTE Peak Upload Speed	\	316 Mbps
Cellular Technology	\	WCDMA (DB-DC-HSDPA, DC-HSUPA) TD-SCDMA CDMA 1x EV-DO GSM/EDGE
LTE Technology	\	LTE FDD LTE TDD including CBRS support LAA LTE Broadcast
5G Technology	\	SA NSA 5G NR FDD 5G NR TDD
RFFE	\	5G envelope tracking 5G adaptive antenna tuning